//编程实现1-10所有数的乘积#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>int n =0;intmain(){for(n =0; n <10; n++)
n *= n;printf("1-10的乘积为:%d\n", n);system("pause");}
//从键盘上输入10个数,求平均数#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>int a[10], n;float result,sum;floatadv(int n){for(n =0; n <10; n++){scanf("%d",&a[n]);
sum += a[n];}
result =(float)sum /10;return result;}intmain(){printf("请输入10个数:\n");adv(n);printf("平均值为:%f", result);system("pause");}
//编程实现求1-1000之间的所有奇数的和并输出#define _CRT_SECURE_NO_WARNINGS#include<stdio.h>#include<stdlib.h>int n, result;intmain(){for(n =0; n <=1000; n++)if(n %2!=0){printf("%5d", n);
result += n;}printf("\n1-1000之间所有奇数和为:%d\n", result);system("pause");}