西工大C語(yǔ)言POJ習(xí)題答案及小學(xué)教師培養(yǎng)工作總結(jié)

一.1.第一季10題全（注：第五題問(wèn)題已經(jīng)解決,確認(rèn)AC!)#include

<stdio.h>

int

main()

{

int

a,b,sum;

scanf("%d%d",&a,&b);

sum=a+b;

printf("%d\n",sum);

return

0;

}2.#include

<stdio.h>

#define

PI

3.1415926

int

main(){

double

r,h,l,s,sq,vq,vz;

scanf("%lf%lf",&r,&h);

l=2*PI*r;

s=PI*r*r;

sq=4*PI*r*r;

vq=4*PI*r*r*r/3;

vz=s*h;

printf("%.2lf\n%.2lf\n%.2lf\n%.2lf\n%.2lf\n",l,s,sq,vq,vz);

return

0;

}3.#include

<stdio.h>

int

main(){

int

a,b,c;

double

d,e;

scanf("%d%d%d",&a,&b,&c);

d=a+b+c;

e=d/3;

printf("%lf\n%lf\n",d,e);

return

0;

}4.#include

<stdio.h>

int

main(){

int

a,b,c;

scanf("%d%d%d",&a,&b,&c);

if(a<b)

a=b;

if(a<c)

a=c;

printf("%d\n",a);

return

0;

}5.#include<stdio.h>

int

main()

{

int

i=0,j=0,k=1;

char

a[6];

while((a[i]=getchar())!='\n')

{

i++;

}

for(;i>0;i--){

if(a[j]==a[i-1]){

j++;

continue;}

else

{k=0;

break;}

}

if(k==1)

printf("yes\n");

else

printf("no\n");

}6.#include<stdio.h>

int

main()

{

double

a,c;

scanf("%lf",&a);

switch((int)a/10)

{

case

0:c=a*0.1;break;

case

1:c=(a-10)*0.075+10*0.1;break;

case

2:

case

3:c=(a-20)*0.05+10*0.075+10*0.1;break;

case

4:

case

5:c=(a-40)*0.03+20*0.05+10*0.075+10*0.1;break;

case

6:

case

7:

case

8:

case

9:c=(a-60)*0.015+20*0.03+20*0.05+10*0.075+10*0.1;break;

default:c=(a-100)*0.01+40*0.015+20*0.03+20*0.05+10*0.075+10*0.1;

}

printf("%lf\n",c);

return

0;

}

7.#include<stdio.h>

int

main()

{

double

a,b,c;

scanf("%lf",&a);

c=(int)a;

if(a>c)a=c+1;

if(a>15)

b=(a-15)*2.1+7+13*1.5;

else

{

if(a>2)

b=(a-2)*1.5+7;

else

b=7;

}

printf("%lf\n",b);

return

0;

}8.#include

<stdio.h>

int

main()

{

int

a,b,c,e,f=30,g=31,n;

scanf("%d-%d-%d",&a,&b,&c);

if((a%400==0)||(a%100!=0&&a%4==0))

e=29;

else

e=28;

switch

(b)

{

case

1:n=c;break;

case

2:n=g+c;break;

case

3:n=g+e+c;break;

case

4:n=g+e+g+c;break;

case

5:n=g+e+g+f+c;break;

case

6:n=g+e+g+f+g+c;break;

case

7:n=g+e+g+f+g+f+c;break;

case

8:n=g+e+g+f+g+f+g+c;break;

case

9:n=g+e+g+f+g+f+g+g+c;break;

case

10:n=g+e+g+f+g+f+g+g+f+c;break;

case

11:n=g+e+g+f+g+f+g+g+f+g+c;break;

default:

n=g+e+g+f+g+f+g+g+f+g+f+c;

}

printf("%d\n",n);

return

0;

}9.#include

<stdio.h>

int

main()

{

int

x;

scanf("%d",&x);

if(x>=90&&x<=100)

printf("A\n");

else

if

(x>=80)

printf("B\n");

else

if

(x>=70)

printf("C\n");

else

if

(x>=60)

printf("D\n");

else

printf("E\n");

return

0;

}10.#include<stdio.h>

int

main()

{

double

x,y,s;

scanf("%lf,%lf",&x,&y);

s=(x+2)*(x+2)+(y-2)*(y-2);

if(s>1){

s=(x+2)*(x+2)+(y+2)*(y+2);

if(s>1){

s=(x-2)*(x-2)+(y+2)*(y+2);

if(s>1){

s=(x-2)*(x-2)+(y-2)*(y-2);

if(s>1){printf("0\n");return

1;}

}

}

}

printf("10\n");

return

0;

}二。第二季15題全11.#include<stdio.h>intmain(){intx=0,a=0,c=0,i=1; scanf("%d%d",&x,&a); c=x;for(i=1;i<a;i++){ c=(c*x)%1000; }; if(c<100){ if(c<10) printf("00%d\n",c); else printf("0%d\n",c); }; if(c>=100) printf("%d\n",c); return0;}12.#include<stdio.h>intmain(){inti=1,a=0,b=0,c=1016,k=1;for(;k=1;){ c=c+4; a=c; b=c; for(i=1;i<=4;i++){ a=a/4*5+1; if(a%4!=0){ k=0; ;}; }; a=a/4*5+1; if(k==1){ printf("%d%d\n",a,b); break; }; }; return0;}13。。#include<stdio.h>#include<math.h>intmain(){ inti=1,n=0,b=0; doublej=0,k=0,m=0; scanf("%d",&n);for(;i<=n;i++){ b=i%2-1; k=pow(-1,b); m=pow(2,i); j+=k*m/(m-k)/(2*m+k); }; printf("%.6lf\n",j); return0;}14.#include<stdio.h>#include<math.h>intmain(){inta=0,b=0,i=0,t; scanf("%d%d",&a,&b);if(a>b){t=a;a=b;b=t;} for(;a<=b;a++) {intm=1; for(i=2;i<=sqrt(a);i++){ if(a%i==0){ m=0; break;}; }if(m==1) printf("%d",a); } printf("\n"); return0;}15.#include<stdio.h>#include<math.h>intmain(){inta=0,b=0,c=0; scanf("%d",&a);b=(int)pow(a,2); c=(int)pow(a,3); if(a%2) {printf("%d*%d*%d=%d=%d",a,a,a,c,b-a/2*2); intn=1; for(;n<a;n++){ printf("+%d",b-a/2*2+2*n); } printf("\n"); }; if(a%2==0) { intn=1; printf("%d*%d*%d=%d=%d",a,a,a,c,b+1-a); for(;n<a;n++){ printf("+%d",b+1-a+n*2); } printf("\n"); }; return0;}16#include<stdio.h>#include<math.h>intmain(){inta=0,b=0,c=0,d=0,e=0,x=0,y=0,z=0,u=0,v=0;doublef=0; for(a=0;a<=2;a++){ doublem=0; for(b=0;b<=(20-8*a)/5;b++){ for(c=0;c<=(20-8*a-5*b)/3;c++){ for(d=0;d<=(20-8*a-5*b-3*c)/2;d++){ e=20-8*a-5*b-3*c-2*d;m=2021*pow(1+0.0084*12*8,a)*pow(1+0.0075*12*5,b)*pow(1+0.0069*12*3,c)*pow(1+0.0066*12*2,d)*pow(1+0.0063*12,e); if(f<m){ f=m;x=a,y=b,z=c,u=d,v=e; }; }; }; }; }; printf("%d%d%d%d%d\n%.2lf\n",x,y,z,u,v,f); return0;}17.#include<stdio.h>#include<math.h>intmain(){doublea=0; inti=0,b=0; scanf("%lf",&a);b=(int)a; for(;(int)(b/pow(10,i));) i++;printf("%d\n",i); return0;}18。#include<stdio.h>intmain(){doublea=1,b=2,i=1,m=0; for(;i<=20;i++){ m+=b/a; b=a+b; a=b-a; } printf("%.6lf\n",m); return0;}19.#include<stdio.h>#include<math.h>intmain(){doublea=0,b=0,c=0,e=0; scanf("%lf%lf",&a,&b);for(;b-a>0.0001;){ c=2*pow(a,3)-4*pow(a,2)+3*a-6;e=2*pow((a+b)/2,3)-4*pow((a+b)/2,2)+3*(a+b)/2-6; if(c*e==0) { if(e==0) a=(a+b)/2; break; }; if(c*e!=0) { if(c*e<0) b=(a+b)/2; else a=(a+b)/2; }; }; printf("%.2lf\n",a); return0;}20.#include<stdio.h>

int

main()

{

char

i,j,k;

for(i='X';i<='Z';i++)

for(j='X';j<='Z';j++)

if(i!=j)

for(k='X';k<='Z';k++)

if(i!=k&&j!=k)

if((k!='X')&&(k!='Z')&&(i!='X'))

printf("A=%c\nB=%c\nC=%c\n",i,j,k);

return

0;

}21.#include<stdio.h>intmain(){ inta,b,i,j,cnt=0,sum=0; b=-1;for(i=500;i<=800;i++) { for(j=2;j<i;j++) { if(i%j==0) break; } if(j>i-1) { cnt++; a=b*i; sum+=a; b=-b; } } printf("%d%d\n",cnt,sum); return0;}22.#include<stdio.h>intmain(){ inti=2,A1=1,A2=1,A3,A4,n,M=10,j,S1=2,S2=0; for(n=1;n<=3;n++) { M=M*10; for(j=1;S1+A4<M||S2<=M;j++) { A3=A1+2*A2; A4=A2+2*A3; S1=S1+A3; S2=S1+A4; A1=A2; A2=A3; i++; } printf("%d\n",i); } return0;}23.#include<stdio.h>#include<math.h>intmain(){doublex1,x2,x3=0,a;scanf("%lf",&a);x1=a;while(fabs(x1-x3)>=0.00001){x2=(x1+a/x1)/2;x3=x1;x1=x2;}printf("%.5lf\n",x1);return0;}24.#include<stdio.h>intmain(){inti; doublea=1,sum=0; for(i=1;1/a>=0.000001;i++) { if(i%2==0)sum=sum-1/a; elsesum=sum+1/a; a=a+2; } sum=sum*4; printf("%.6lf\n",sum); return0;}25.#include<stdio.h>intmain(){inta,i,n; for(a=6;a<=1000;a++) {n=0; for(i=1;i<a;i++) { if(a%i==0)n=n+i; } if(n==a) {printf("%d=",a); for(i=1;i<a;i++) { if(a%i==0) { if(i<a/2)printf("%d+",i); elseprintf("%d",i); } } printf("\n"); } } return0;}三.第三季已齊全21.#include<stdio.h>#include<math.h>intmain(){ intx,y,a,b,l,s1,s2,t; scanf("%d%d%d%d%d",&x,&y,&a,&b,&l); if(x<y){ s1=(y-x);s2=l-s1;if(a>b){t=s1/(a-b); printf("%d\n",t);} elseif(a<b){t=s2/(b-a); printf("%d\n",t);} elseprintf("impossible\n");} else{ s1=x-y;s2=l-s1; if(a>b){t=s2/(a-b); printf("%d\n",t);} elseif(a<b){t=s1/(b-a); printf("%d\n",t);}elseprintf("impossible\n"); } return0;}22.#include<stdio.h>

#include<math.h>

int

main()

{

int

N,i,j,k,x,a,cnt=0;

scanf("%d",&N);

for(k=7;k<=N;k++)

{

j=k;

for(i=4;i>=0;i--)

{

a=(int)pow(10,i);

x=j/a;

if(x==7||k%7==0)

{

printf("%d

",k);

break;

}

else

j=j-a*x;

}

}

return

0;

}23.#include<stdio.h>intmain(){ inta,b,c,d,e,f,g,h,i,j,n; scanf("%d",&n); if(n<2||n>79)printf("error\n"); for(j=0;j<=9;j++) for(i=0;i<=9;i++)if(i==j)continue; elsefor(h=0;h<=9;h++)if(h==j||h==i)continue; elsefor(g=0;g<=9;g++)if(g==h||g==i||g==j)continue; elsefor(f=0;f<=9;f++)if(f==g||f==h||f==i||f==j)continue; elsefor(e=0;e<=9;e++)if(e==f||e==g||e==h||e==i||e==j)continue; elsefor(d=0;d<=9;d++)if(d==e||d==f||d==g||d==h||d==i||d==j)continue; elsefor(c=0;c<=9;c++)if(c==d||c==e||c==f||c==g||c==h||c==i||c==j)continue; elsefor(b=0;b<=9;b++)if(b==c||b==d||b==e||b==f||b==g||b==h||b==i||b==j)continue; elsefor(a=0;a<=9;a++)if(a==b||a==c||a==d||a==e||a==f||a==g||a==h||a==i||a==j)continue; elseif(double(a*10000+b*1000+c*100+d*10+e)/double(f*10000+g*1000+h*100+i*10+j)==n) printf("%d%d%d%d%d/%d%d%d%d%d=%d\n",a,b,c,d,e,f,g,h,i,j,n); elsecontinue; return0;} 24。#include<stdio.h>intmain(){inta=1,b1=0,b2,t,n;scanf("%d",&t);for(n=1;n<=t;n++){b2=2*b1+3*a;a=b1;b1=b2;}printf("%d%d\n",a,b2);return0;}25.#include<stdio.h>

#include<math.h>

int

main()

{

long

s=0,l=0,m=0;

int

n=0,i=0,j=0,k=0;

scanf("%d",&n);

for(s=14000;;s++)

{

for(i=1;i<=99;i+=2)

{

l=s*100+i;

for(m=3;m<=(int)pow(l,0.5);m+=2)

{

if(l%m==0)

{

goto

B;

}

}

goto

A;

B:

;}

k++;

if(n==k)

{

printf("%ld

%ld\n",s*100,l);

break;

}

A:

;}

return

0;

}26.#include<stdio.h>#include<math.h>intmain(){intm=0,n=0,g=0,s=0,i=0,k=0,j=0; scanf("%d%d",&m,&n); for(i=(int)pow(10,n-1);i<(int)pow(10,n);i++){ j=i; for(k=1;k<=n;k++){if(j%10==m){ if(i%m){ g++; s+=i; }; k=n; }; j/=10; }; }; printf("%d%d\n",g,s); return0;}27.#include<stdio.h>

int

main()

{

int

a=0,b=0,j=0;

double

i=0,s=0,k=0;

scanf("%d%d",&a,&b);

for(i=1;s<b;i++){

k+=1/i;

s+=1/k;

if(s>a)

j++;

if(j==1)

printf("%d

",(int)i);

if(s>b)

printf("%d\n",(int)(i-1));

};

return

0;

}28.#include<stdio.h>intmain(){intk=0; scanf("%d",&k); doublex=0,y=0;for(y=k+1;y<=k*2;y++){ for(x=y;1/x+1/y>=1/(double)k;x++){ if(1/(double)k==1/x+1/y){ printf("1/%d=1/%g+1/%g\n",(int)k,x,y); }; }; }; return0;}29.#include<stdio.h>#include<math.h>intmain(){intn=0,i=0,j=0,k=0,a=0,b=0,c=0,g=0; scanf("%d",&n); for(i=0;i<(int)pow(2,n);i++){ k=i;for(j=1;j<=n-2;j++){ a=k%2; b=(k/2)%2; c=(k/4)%2; k/=2; if(a&&b&&c){ g++; break; } } }; printf("%d\n",g); return0;}30.#include<stdio.h>intmain(){ intn=0,i=0,k=1,d=1,m=0; scanf("%d",&n);ints[20]; for(i=1;i<=n;i++){ scanf("%d",&s[i-1]); }; for(i=0;i<n-1;i++){ k=i; d=1; for(;k<n;k++){ d*=s[k];m=d>m?d:m; } } if(m>0) printf("%d\n",m); else printf("-1\n"); return0;}31#include<stdio.h>

int

main()

{

int

i=0,j=0,k=0,a=0,b=0,c=0,l=0,m=0,n=0,d=0,p=0,q=0;

for(i=1;i<=3;i++)

{

for(j=1;j<=9;j++)

{

if(i!=j)

{

for(k=1;k<=9;k++)

{

if(k!=j&&i!=k)

{

a=i*100+j*10+k;

b=a*2;

c=a*3;

l=b%10,d=c%10;

m=(b%100)/10,p=(c%100)/10;

n=b/100,q=c/100;

if(l!=0&&m!=0&&n!=0&&d!=0&&p!=0&&q!=0)

if(i!=l&&i!=m&&i!=n&&j!=l&&j!=m&&j!=n&&k!=l&&k!=m&&k!=n)

if(i!=d&&i!=p&&i!=q&&j!=d&&j!=p&&j!=q&&k!=d&&k!=p&&k!=q)

if(l!=d&&l!=p&&l!=q&&m!=d&&m!=p&&m!=q&&n!=d&&n!=p&&n!=q)

printf("%d

%d

%d\n",a,b,c);

}

}

}

}

}

return

0;

}32.#include<stdio.h>#include<math.h>intmain(){ intn,m,i; doubleb=0; scanf("%d%d",&n,&m); for(i=n;i<=m;i++) { b=b+1/pow(i,2.0); } printf("%.5lf\n",b); return0;}33.#include<stdio.h>intmain(){ intn,i,j,k,t; scanf("%d",&n); k=0; for(i=1;i<=n;i++) { t=i; while(t!=0) { j=t%10; t=t/10; if(j==1) k++; } } printf("%d\n",k); return0;}34.#include

<stdio.h>

int

main()

{

int

a,b,c,i;

scanf("%d

%d

%d",&a,&b,&c);

for(i=10;i<=100;i++)

if(i%3==a&&i%5==b&&i%7==c){

printf("%d\n",i);

break;

}

if(i>100)printf("-1\n");

return

0;

}35#include<stdio.h>#include<stdlib.h>intmain(){ inta,b,c,i,A[100]; scanf("%d%d%d",&a,&b,&c); A[0]=a/b; a=a%b; for(i=1;i<c+1;i++) { A[i]=a*10/b; a=a*10%b; } A[i]=a*10/b; if(A[c+1]>=5) { A[c]=A[c]+1; for(i=c;i>=0;i--) if(A[i]==10)A[i-1]+=1,A[i]=0;} printf("%d.",A[0]); for(i=1;i<=c;i++) printf("%d",A[i]); printf("\n"); return0;}四。第四季齊全31.#include<stdio.h>intgetfloor(doublea){ intb; if(a<int(a))b=int(a)-1; elseb=int(a); returnprintf("%d\n",b);}intmain(){ doublea; scanf("%lf",&a); getfloor(a); return0;}32.#include<stdio.h>intsum(intx){inti=0,s=0; for(i=1;i<x;i++) { if(x%i==0) { s+=i; } } returns;}intmain(){inta=0,b=0; scanf("%d%d",&a,&b);if(a==sum(b)&&b==sum(a)) { printf("YES\n"); } else { printf("NO\n"); } return0;}33.#include<stdio.h>intmove(intverge,intn){ inta=0; a=verge;if(n<0) {n=0-n;verge<<=n; a>>=(32-n); verge+=a; } else { verge>>=n; a<<=(32-n); verge+=a; } returnverge;}intmain(){unsignedverge=0; intn=0; scanf("%d%d",&verge,&n); printf("%d\n",move(verge,n)); return0;}34.#include<stdio.h>intmain(){ intn=0,i=1; doublea=0,b=0,c=0; scanf("%d",&n); for(i=1;i<=n;i++) { scanf("%lf",&c); a+=c*c; b+=c; } c=a-1.0/n*b*b; printf("%.6lf\n",c); return0;}35.#include<stdio.h>intC(intm,intn){inti=0,a=1,b=1; for(i=1;i<=m;i++) { a*=n; n--; b*=i; } returna/b;}intmain(){unsignedintm=0,n=0; scanf("%d%d",&n,&m); if(m>n){ printf("wrong\n"); } else { printf("%d\n",C(m,n)); } return0;}36.#include<stdio.h>intGZ(intn){inti=0; i=n/100; n%=100; i+=n/50;n=n%50; i+=n/10; n%=10;i+=n/5; n%=5; i+=n/2;i+=n%2; returni;}intmain(){ intn=0,i=1,x=0,k=0; scanf("%d",&n); for(i=1;i<=n;i++) { scanf("%d",&x); k+=GZ(x); } printf("%d\n",k); return0;}37.#include<stdio.h>intmain(){intAH=0,AM=9,AS=0,BH=0,BM=0,BS=0; scanf("%d%d%d%d%d%d",&AH,&AM,&AS,&BH,&BM,&BS);if(AH>=0&&AM>=0&&AS>=0&&BH>=0&&BM>=0&&BS>=0&&AM<60&&AS<60&&BM<60&&BS<60) { AS+=BS; AM+=BM; AH+=BH; if(AS>59) { AM+=1; AS%=60; }if(AM>59) { AH+=1; AM%=60; } printf("%d%d%d\n",AH,AM,AS); } return0;}38.#include<stdio.h>voidDAO(unsignedlongn){ if(n<10) { printf("%d",n); } else { printf("%d",n%10); n/=10; DAO(n); }}intmain(){unsignedlongn=0; scanf("%d",&n); DAO(n); printf("\n"); return0;}39.#include<stdio.h>#include<math.h>intJM(intn){ inta=0,i=0; for(i=1;i<=4;i++) { a+=(n%10+5)%10*(int)pow(10,4-i); n/=10; } returna;}intmain(){ unsignedn=0; scanf("%d",&n); if(n>999&&n<10000) { printf("%d\n",JM(n)); } return0;}40.#include<stdio.h>inlineintxchg(unsignedcharn){return(n%16)*16+n/16;}intmain(){unsignedcharn=0; scanf("%d",&n); printf("%d\n",xchg(n)); return0;}41#include<stdio.h>#include<stdlib.h>intn;voidfun(intA[]){ inti,s; for(i=0;i<n*2;i+=2) { s=A[i]+A[i+1]; printf("%d\n",s%100); }}intmain(){intA[81],j;scanf("%d",&n);for(j=0;j<n*2;j++)scanf("%d",&A[j]);fun(A);return0;}42#include<stdio.h>

int

ack(int

m,int

n)

{

int

x;

if(m==0)

x=n+1;

else

if(n!=0)

x=ack((m-1),ack(m,n-1))

;

else

x=ack(m-1,1);

return

x;

}

int

main()

{

int

m,n;

scanf("%d%d",&m,&n);

printf("%d\n",ack(m,n));

return

0;

}43#include<stdio.h>

#include<math.h>

double

integral(double

a,double

b,double(*f)(double

x))

{

int

n=1000,i;

double

h,x,s=0.0;

h=(b-a)/n;

for(i=1;i<=n;i++)

{

x=a+(i-1)*h;

s=s+(f(x)+f(x+h))*h/2;

}

return

s;

}

double

f(double

x)

{

return

1/(1+x*x);

}

int

main()

{

double

a,b,t;

scanf("%lf

%lf",&a,&b);

t=integral(a,b,f);

printf("%lf\n",t);

return

0;

}44.#include<stdio.h>

#include<math.h>

int

getbit(int

n,int

k)

{

int

i,l,mid,q,j=1,s=0;

mid=n;

for(i=1;;i++)

{

l=mid%2;

s=s+l*j;

j=j*10;

mid=mid/2;

if(mid==0)

break;

}

q=s/pow(10,k-1);

q=q%10;

return

q;

}

int

main()

{

int

n,k;

scanf("%d

%d",&n,&k);

printf("%d\n",getbit(n,k));

return

0;

}45.#include<stdio.h>intfceil(doublex){ inta; a=x; a=a+1; returna;}intmain(){ doublex; scanf("%lf",&x); if(x<0)printf("%d\n",fceil(x)-1); elseprintf("%d\n",fceil(x)); return0;}五。第五季已齊41.#include<stdio.h>voidSelectionSort(intA[],ints,intm){inti=0,n=0; for(;s<=m;s++) { i=s; for(;i<=m;i++) { if(A[i]>A[s]) { n=A[s]; A[s]=A[i]; A[i]=n; } } }}intmain(){intA[100]={0},s=0,m=0,n=0,i=0; scanf("%d",&n); for(i=0;i<n;i++) { scanf("%d",&A[i]); } scanf("%d%d",&s,&m); SelectionSort(A,s,m); for(i=0;i<n;i++) { printf("%d",A[i]); } printf("\n"); return0;}42。#include<stdio.h>voidSelectionSort(intA[],ints,intm){inti=0,n=0,k=0; i=s; for(;m>0;m--) { i=s;for(;i<s+m-1;i++) { if(A[i]<A[i+1]) { k=A[i]; A[i]=A[i+1]; A[i+1]=k; } } }}intmain(){intA[100]={0},s=0,m=0,n=0,i=0; scanf("%d",&n); for(i=0;i<n;i++) { scanf("%d",&A[i]); } scanf("%d%d",&s,&m); SelectionSort(A,s,m); for(i=0;i<n;i++) { printf("%d",A[i]); } printf("\n"); return0;}43.#include<stdio.h>voidpaixu(intA[],intm){inti=1,n=0,j=0; for(;j<m;j++) { for(i=j+1;i<m;i++) { if(A[i]<A[j]) { n=A[j]; A[j]=A[i]; A[i]=n; } } }}intmain(){intn=0,m=0,A[100]={0},B[100]={0},i=0,j=0,k=0;scanf("%d%d",&n,&m); for(i=0;i<n;i++) { scanf("%d",&A[i]); } for(i=0;i<m;i++) { scanf("%d",&B[i]); } if(m<n) { printf("NULL\n"); } else { paixu(A,n); paixu(B,m); for(i=0;i<m;i++) { if(A[0]<=B[i]) { if(m-i>=n) { for(k=0;k<n;k++) { j+=B[i+k]; } printf("%d\n",j); } else { printf("NULL\n"); } break; } } } return0;}44.#include<stdio.h>voidSelectionSort(intA[],ints,intm){inti=0,j=0,k=0; for(i=s+1;i<s+m;i++) { j=i; while(A[j]>A[j-1]&&j-1>=s) {k=A[j]; A[j]=A[j-1];A[j-1]=k; j--; } }}intmain(){intA[100]={0},s=0,m=0,n=0,i=0; scanf("%d",&n); for(i=0;i<n;i++) { scanf("%d",&A[i]); } scanf("%d%d",&s,&m); SelectionSort(A,s,m); for(i=0;i<n;i++) { printf("%d",A[i]); } printf("\n"); return0;}45.#include<stdio.h>intmain(){ intA[100]={0},i=0,j=0,n=0,m=0; scanf("%d",&n);for(i=0;i<n;i++) { scanf("%d",&A[i]); } scanf("%d",&m); i=0;j=n-1;while(j-i>1) { if((A[i]-m)*(A[(j+i)/2]-m)<=0) { j=(i+j)/2; }else { i=(i+j)/2; } }if(A[i]==m||A[j]==m||A[(i+j)/2]==m){ printf("%d\n",A[i]==m?i:(A[j]==m?j:(i+j)/2));}else{printf("null\n");}return0;}46.#include<stdio.h>intmain(){intA[100],B[100],C[100],n=0,i=0; scanf("%d",&n); for(i=0;i<n&&n<=100;i++) { scanf("%d",&A[i]); } for(i=0;i<n&&n<=100;i++) { scanf("%d",&B[i]); } for(i=0;i<n&&n<=100;i++) { C[i]=A[i]+B[i]; printf("%d",C[i]); } printf("\n"); return0;}47.#include<stdio.h>

intmain()

{

intn,count=0,i,j,a[100],k;

scanf("%d",&n);

for(i=0;i<n;i++)

scanf("%d",&a[i]);

for(i=1;i<n;i++)

{

k=a[i];

for(j=i-1;j>=0&&k<a[j];j--)

{

count++;

a[j+1]=a[j];

}

a[j+1]=k;

}

printf("%d\n",count);

return0;

}48.#include<stdio.h>#include<stdlib.h>intmain(){ intm,n,i,j,l,k,x,y,s2=0,s=0; scanf("%d%d",&m,&n); int*A; A=(int*)malloc(m*n*sizeof(int)); for(i=0;i<m;i++) for(j=0;j<n;j++) scanf("%d",A+i*n+j); for(l=0;l<m;l++) for(k=0;k<n;k++) s=s+A[l*n+k]; for(x=1;x<m-1;x++) for(y=1;y<n-1;y++) s2=s2+A[x*n+y]; s=s-2*s2; printf("%d\n",s); return0;}49.#include

<stdio.h>

void

QuickSort(int

A[100],int

s,int

m);

int

main()

{

int

A[100],n,s,m,i;

scanf("%d",&n);

for

(i=0;i<n;i++)

{

scanf("%d",&A[i]);

}

scanf("%d

%d",&s,&m);

QuickSort(A,s,m);

for(i=0;i<n;i++)

{

printf("%d

",A[i]);

}

printf("\n");

return

0;

}

void

QuickSort(int

A[100],int

s,int

m)

{

int

i,j,t;

if(s<m)

{

i=s;

j=m+1;

while(1)

{

while(i+1<s+m&&A[++i]>A[s]);

while(j-1>-1&&A[--j]<A[s]);

if(i>=j)

break;

t=A[i],A[i]=A[j],A[j]=t;

}

t=A[s],A[s]=A[j],A[j]=t;

QuickSort(A,s,j-1);

QuickSort(A,j+1,m);

}

}50#include<stdio.h>intmain(){ intA[100][100]; intn,i,j,x,y; scanf("%d",&n); for(i=0;i<n;i++) for(j=0;j<n;j++) scanf("%d",&A[i][j]); for(x=0;x<n;x++) { for(y=0;y<n;y++) { if(y<n-x) { printf("%d",A[x][y]); } elseprintf(""); } printf("\n"); } return0;}51#include<stdio.h>#include<stdlib.h>intmain(){ intm,n,A[100][100],i,j; scanf("%d",&n); for(i=0;i<n;i++) for(j=0;j<n;j++) scanf("%d",&A[i][j]); m=n; for(i=0;i<m;i++) { for(j=0;j<n-1;j++) printf(""); for(j=n-1;j<m;j++) printf("%d",A[i][j]); printf("\n"); n--; } return0;}52#include<stdio.h>intmain(){ intA[100],B[100]; intn,i,j,k; scanf("%d",&n); for(i=0;i<n;i++) { scanf("%d",&A[i]); } for(j=0;j<n;j++) { B[j]=A[j]; } for(k=1;k<n;k=k+2) { printf("%d",B[k]); } printf("\n"); return0;}53#include<stdio.h>intmain(){ intA[100][100]; intn,i,j,x,y; scanf("%d",&n); for(i=0;i<n;i++) for(j=0;j<n;j++) scanf("%d",&A[i][j]); for(x=0;x<n;x++) { for(y=0;y<n;y++) { if(y>=x) { printf("%d",A[x][y]); } elseprintf(""); } printf("\n"); } return0;}54#include<stdio.h>doubleavg(intA[],ints,inte){ inti; doublem=0,n; for(i=s;i<s+e;i++) m=m+A[i]; n=m/(e-s+1); returnn;}intmain(){ intA[100],n,s,e,i; scanf("%d",&n); for(i=0;i<n;i++) scanf("%d",&A[i]); scanf("%d%d",&s,&e); printf("%lf\n",avg(A,s,e)); return0;}55#include<stdio.h>#include<stdlib.h>intmain(){ intn,A[100][100],i,j; scanf("%d",&n); for(i=0;i<n;i++) for(j=0;j<n;j++) scanf("%d",&A[i][j]); for(i=0;i<n;i++) { for(j=0;j<=i;j++) printf("%d",A[i][j]); printf("\n"); } return0;}第六季題已齊51.#include<stdio.h>inti=0,j=0,k=0,m=0,n=0;voidjishu(charA[]){intd=0; for(d=0;A[d]!='\0';d++) { if(A[d]>64&&A[d]<91) { i++; } else { if(A[d]>96&&A[d]<123) { j++; } else { if(A[d]>47&&A[d]<58) { k++; } else { if(A[d]=='') { m++; } else { n++; } } } } }}intmain(){charA[80],B[80],C[80]; gets(A),gets(B),gets(C);jishu(A);jishu(B);jishu(C);printf("%d%d%d%d%d\n",i,j,k,m,n); return0;}52.#include<stdio.h>intstringcompare(charS1[],charS2[]){inti=0;while(S1[i]==S2[i++]&&S1[i]!='\0'&&S2[i]!='\0');returnS1[i-1]-S2[i-1];}intmain(){charS1[100],S2[100]; gets(S1);gets(S2);printf("%d\n",stringcompare(S1,S2)); return0;}53.#include<stdio.h>voiddeletechar(charS[],charc){inti=0,j=0;for(j=0;S[j]!='\0';j++){if(S[j]!=c){S[i]=S[j];i++;}}S[i]='\0';}intmain(){charS[100],c;gets(S);scanf("%c",&c);deletechar(S,c);puts(S);return0;}54#include<stdio.h>inthe(charA[],inti){ intj,x=0; for(j=i;j<=3;j++) { if(A[j]=='I') { x=x+1; } elsebreak; } returnx;}intmain(){ charA[10]; gets(A); if(A[1]=='V') { printf("4\n"); } elseif(A[1]=='X') { printf("9\n"); } elseif(A[0]=='I') { printf("%d\n",he(A,0)); } elseif(A[0]=='V') { printf("%d\n",he(A,1)+5); } elseprintf("%d\n",he(A,1)+10); return0;}55.(此題運(yùn)行正確，但未得到批改后的AC確認(rèn))#include<stdio.h>#include<string.h>intmain(){ voidsortstr(chars[10][11],int); inti; chars[10][11]; for(i=0;i<10;i++) { scanf("%s",s[i]); } sortstr(s,10); for(i=0;i<10;i++) { if(i!=0) { printf(""); } printf("%s",s[i]); } printf("\n"); return0;}voidsortstr(chars[10][11],intn){ char*p,t[11]; inti,j; for(i=0;i<n-1;i++) { p=*(s+i); for(j=i+1;j<n;j++) { if(strcmp(p,*(s+j))>0) { p=*(s+j); } } if(p!=*(s+i)) { strcpy(t,*(s+i)); strcpy(*(s+i),p); strcpy(p,t); } }}56#include<stdio.h>#include<string.h>intmain(){ charA[100]; charl[100]; gets(A); intm,n,i,j; scanf("%d",&m); n=strlen(A); for(i=m;i<n;i++) { l[i]=A[i]; } for(j=m;j<n;j++) { printf("%c",l[j]); } printf("\n"); return0;}57#include<stdio.h>intmain(){inttest_case=0;charnote[1000];while(gets(note)!=NULL){test_case++;if(note[0]=='A'&¬e[1]==''){printf("UNIQUE\n");break;}elseif(note[0]=='A'&¬e[1]=='#'){note[0]='B';note[1]='b';printf("%s\n",note);break;}elseif(note[0]=='B'&¬e[1]=='b'){note[0]='A';note[1]='#';printf("%s\n",note);break;}elseif(note[0]=='B'&¬e[1]==''){printf("UNIQUE\n");break;}elseif(note[0]=='C'&¬e[1]==''){printf("UNIQUE\n");break;}elseif(note[0]=='C'&¬e[1]=='#'){note[0]='D';note[1]='b';printf("%s\n",note);break;}elseif(note[0]=='D'&¬e[1]=='b'){note[0]='C';note[1]='#';printf("%s\n",note);break;}elseif(note[0]=='D'&¬e[1]==''){printf("UNIQUE\n");break;}elseif(note[0]=='D'&¬e[1]=='#'){note[0]='E';note[1]='b';printf("%s\n",note);break;}elseif(note[0]=='E'&¬e[1]=='b'){note[0]='D';note[1]='#';printf("%s\n",note);break;}elseif(note[0]=='E'&¬e[1]==''){printf("UNIQUE\n");break;}elseif(note[0]=='F'&¬e[1]==''){printf("UNIQUE\n");break;}elseif(note[0]=='F'&¬e[1]=='#'){note[0]='G';note[1]='b';printf("%s\n",note);break;}elseif(note[0]=='G'&¬e[1]=='b'){note[0]='F';note[1]='#';printf("%s\n",note);break;}elseif(note[0]=='G'&¬e[1]==''){printf("UNIQUE\n");break;}elseif(note[0]=='G'&¬e[1]=='#'){note[0]='A';note[1]='b';printf("%s\n",note);break;}elseif(note[0]=='A'&¬e[1]=='b'){note[0]='G';note[1]='#';printf("%s\n",note);break;}else{printf("false");break;}}return0;}58.#include<stdio.h>#include<string.h>voidstringmerge(charS1[],charS2[]);intmain(){charS1[10000],S2[10000];gets(S1);gets(S2);stringmerge(S1,S2);puts(S1);return0;}voidstringmerge(charS1[],charS2[]){ S1=strcat(S1,S2);}59#include<stdio.h>#include<string.h>intmain(){ charA[100],B[100]; inti; gets(A); for(i=0;i<100;i++) { if(A[i]=='y'&&A[i+1]=='o'&&A[i+2]=='u') { A[i]='w'; A[i+1]='e'; A[i+2]=''; } }for(i=0;A[i]!='\0';i++) { if(A[i-2]=='w'&&A[i-1]=='e'&&A[i]=='') continue; elseprintf("%c",A[i]); } printf("\n"); return0;}60#include<stdio.h>#include<string.h>#include<math.h>intgcd(inta,intb){if(a==0){returnb;}elseif(b==0){returna;}else{inti=a>b?b:a;while(a%i!=0||b%i!=0){i--;}returni;}}intmain(){ inti,r=0,l=0,w=0,m=0;