91学习

#include <stdio.h>int main(){ int i,j; int a[3][3]; for(i=0;i<3;i++){ for(j=0;j<3;j++){ printf("a[%d][%d]=",i,j); scanf("%d",&a[i][j]); } }        printf("请输出二维数组:\n"); for(i=0;i

#include <stdio.h> int main(){ int i,j; int a[4][2]; for(i=0;i<4;i++){ for(j=0;j<2;j++){ printf("a[%d][%d]=",i,j); scanf("%d",&a[i][j]); } } printf("输出的二维数组是:\n"); for(i=0;i<4;i++){ for(j=0

#include <stdio.h>void main(){           int grade[10]={1,2,3,4,5,6,7,8,9,10}; int total=0; int i; float avg; for(i=0;i<10;i++){ total+=grade[i]; } avg=((float)total/10); printf("the student's average

// posji187900284560.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include <windows.h>int main(int argc, char* argv[]){ int nSelect=::MessageBox(NULL,"这是我的第一个提示框内容，欢迎加微信18790284560一起学习",&quo

#include <stdio.h>int main(){ int iArray[3],index; printf("请输入语文，数学和英语的成绩：\n"); for(index=0;index<3;index++){ scanf("%d",&iArray[index]); } printf("语文，数学和英语的成绩是：\n"); for(index=0;index<3;index++){ print

#include <stdio.h>int main(){int i,j,k,n;   printf("please enter a number\n");   scanf("%d",&n);     for(i=1;i<=n;i++)   {    for(j=1;j<=n-i;j++)  

#include <stdio.h>int main(){ int iNumber; int iSum=0; for(iNumber=1;iNumber<=100;iNumber++){        iSum=iNumber+iSum;        } printf("the result is %d\n",iSum); iSum=0; iNumber=1; while(iN

#include <stdio.h>int main(){ int num=0; scanf("%d",&num); do { num++; printf("还能承载%d个人,\n",26-num); }while(num<=25); printf("座位已满，还能承载0人.\n");        return 0;}

    在C语言里使用while猜一个数字直到猜对为止，程序如下：#include <stdio.h>int main(){ int num; printf("请输入一个数字,如果提示你猜大了，你换一个小数字，如果提示你猜小了，你换一个大数字，知道猜对为止\n"); while(num!=147){ scanf("%d",&num); if(num<147){ printf("你猜小了\n&q

#include <stdio.h>int main(){ int iMonth=0,iDay=0; printf("enter the month you want to know the days\n"); scanf("%d",&iMonth); switch(iMonth){ case 1: case 3: case 5: case 7: case 8: case 10: case 12: iDay=31; break; c