計(jì)算機(jī)簡單編程示例

1、1從鍵盤輸入三個(gè)數(shù)，找出它們的最小值#include main() float a,b,c,min; printf(input three numbers: ); scanf(%f%f%f,&a,&b,&c); if(ab) min=b; else min=a; if(minc) min=c; printf(min=%fn,min);2輸出九九乘法表#include main() int i,j; for(i=1;i=9;i+) for(j=1;j=i;j+) printf(%d*%d=%2d,i,j,i*j); printf(n); 3編程找出所有水仙花數(shù)#include main() in

2、t x,a,b,c; for(x=100;x=999;x+) a=x/100; b=x%100/10; c=x%10; if(a*a*a+b*b*b+c*c*c=x); printf(%d ,x); 1從鍵盤輸入三個(gè)數(shù)找出它們的平均數(shù)#include main() float a,b,c,aver; scanf(%f%f%f,&a,&b,&c); aver=(a+b+c)/3; printf(aver=%fn,aver);2輸出兩個(gè)正整數(shù)的所有公約數(shù)#includemain()int a,b,i,n; scanf(%d%d,&a,&b); if(ab) n=b,b=a,a=n; for(i=1

3、;i=a;i+) if(a%i=0&b%i=0) printf(%2d,i); printf(n); return 0;3輸出一個(gè)3*4的矩陣中的最小值，矩陣的數(shù)據(jù)從鍵盤輸入#includemain()int i,j,min,a34;printf(原矩陣a%d%d:n,3,4);for(i=0;i3;i+)for(j=0;j4;j+)scanf(%d,&aij);printf(n);min=a00;for(i=0;i3;i+)for(j=0;jaij)min=aij;printf(the min number%3d,min);1.從鍵盤輸入圓的半徑，計(jì)算圓的面積和周長#include#defi

4、ne PI 3.14159main()float r,s,l; printf(請輸入圓的半徑); scanf(%f,&r); s=PI*r*r; l=PI*r*2; printf(s=%f,l=%fn,s,l);2.從鍵盤輸入10個(gè)數(shù)字，用起泡法從小到大排序#includeint main()int a10;int i,j,t;printf(input 10 number:n);for(i=0;i10;i+)scanf(%d,&ai);printf(n);for(j=0;j9;j+)for(i=0;iai+1)t=ai;ai=ai+1;ai+1=t;printf(the sorted numb

5、er:n);for(i=0;i10;i+)printf(%5.0d,ai);printf(n);return 0;3從鍵盤輸入10個(gè)數(shù)，計(jì)算它們的最大值#includemain()float x,max;int i;printf(請輸入第一個(gè)數(shù): );scanf(%f,&x);max=x;for(i=1;imax)max=x;printf(10個(gè)數(shù)中最大值:%fn,max);1從鍵盤輸入長方形的長和寬，計(jì)算長方形的面積和周長#includemain()float a,b,s,l; printf(請輸入長方形的長和寬); scanf(%f%f,&a,&b); s=a*b; l=2*(a+b);

6、printf(s=%f,l=%fn,s,l);2計(jì)算s=1+2+3+100#includemain()int i=2,sum=0; do sum=sum+i; i=i+2; while(i=100); printf(sum=%dn,sum);3輸出一個(gè)3*3矩陣的轉(zhuǎn)置矩陣，矩陣的數(shù)據(jù)從鍵盤輸入#includemain()int i,j,temp,a33;printf(原矩陣a%d%d:n,3,3);for(i=0;i3;i+)for(j=0;j3;j+)scanf(%d,&aij);for(i=0;i2;i+)for(j=i+1;j3;j+)if(i!=j)temp=aij;aij=aji;a

7、ji=temp;printf(轉(zhuǎn)置矩陣A%d%d:n,3,3);for(i=0;i3;i+)for(j=0;j3;j+)printf(%4d,aij);printf(n);1 從鍵盤輸入三個(gè)整數(shù)，找出它們的最大值#includemain()int a,b,c,max;printf(input three number:);scanf(%d%d%d,&a,&b,&c);if(ab)max=a;elsemax=b;if(maxc)max=c;printf(max=%dn,max);2 從鍵盤輸入一行字符，統(tǒng)計(jì)所輸入字符的個(gè)數(shù)#includemain()int n=0;printf(input a

8、string:n);while(getchar()!=n)n+;printf(%dn,n);3 計(jì)算兩個(gè)正整數(shù)的最小公倍數(shù)#includemain()int m,n,r,g,p,h;printf(請輸入求最小公倍數(shù)的數(shù)：);scanf(%d%d,&m,&n);p=m*n;while(r=m%n)!=0)m=n;n=r;g=n;h=p/g;printf(h=%dn,h);從鍵盤輸入十個(gè)數(shù)，計(jì)算它們的最小值#includemain()float x,min;int i;printf(請輸入第一個(gè)數(shù): );scanf(%f,&x);min=x;for(i=1;i=9;i+)printf(請輸入第%d

9、個(gè)數(shù) :);scanf(%f,&x);if(xmin)min=x;printf(10個(gè)數(shù)中最小是:%fn,min);從鍵盤輸入十個(gè)數(shù)，計(jì)算他們的平均值#includemain()float x,sum,d;int i;printf(請輸入第一個(gè)數(shù):);scanf(%f,&x);sum=x;for(i=1;i=9;i+)printf(請輸入第%d個(gè)數(shù):,i+1);scanf(%f,&x);sum=sum+x;d=sum/10.0;printf(10個(gè)數(shù)的平均值是:%fn,d);計(jì)算s=1+3+5+7+.+99#includemain()int i=1,sum=0; do sum=sum+i; i

10、=i+2; while(i=99); printf(sum=%dn,sum);計(jì)算s=2+4+6+8+.+100#includemain()int i=2,sum=0; do sum=sum+i; i=i+2; while(i=100); printf(sum=%dn,sum);計(jì)算s=n!(n從鍵盤輸入)#includemain()int n,i;double fact=1; printf(請輸入任意數(shù):n); scanf(%d,&n); for(i=1;i=n;i+)fact=fact*i;printf(%5.0f%3d!n,fact,n);計(jì)算兩個(gè)正整數(shù)的最大公約數(shù)#includemai

11、n()int m,n,r,g,p;printf(請輸入求最大公約數(shù)的數(shù)：);scanf(%d%d,&m,&n);while(r=m%n)!=0)m=n;n=r;g=n;printf(g=%dn,g);已知數(shù)列: 1 1 2 3 5 . 從第三項(xiàng)起每項(xiàng)數(shù)據(jù)都是其前兩項(xiàng)之和計(jì)算該數(shù)列的前15項(xiàng)。#includemain()int f1=1,f2=1,f3,i; printf(%12dn%12dn,f1,f2); for(i=1;i=13;i+) f3=f1+f2; printf(%12dn,f3); f1=f2; f2=f3; 輸入一個(gè)3*4矩陣中的最大值，矩陣的數(shù)據(jù)從鍵盤輸入#includemain()int i,j,max,a34;printf(原矩陣a%d%d:n,3,4);for(i=0;i3;i+)for(j=0;j4;j+)scanf(%d,&aij);printf(n);max=a00;for(i=0;i3;i+)for(j=0;j4;j+)if(maxaij)max=aij;printf(the max number%3d,max);輸出一個(gè)