#define _CRT_SECURE_NO_WARNINGS 1 #include#include //srand和rand()的头文件 #include //time(0)的头文件 int main() { int key = 0, input = 0; srand((unsigned int)time(0)); //使rand()生成的数每次都是随机 key = rand() % 100 + 1; //即区间[1,100],rand() % 100 + 1,1是起始值,100是终止值,100是整数范围 while (1) { printf("开始猜数字n"); printf("输入猜的数字:"); scanf("%d", &input); if (key < input) { printf("猜大了!n"); } else if (key > input) { printf("猜小了!n"); } else { printf("你猜对了!n"); break; } } return 0; }



