#include <stdio.h> //一个关机程序 int main() { char input[10] = {0}; system("shutdown - s - t 60"); again: printf("电脑将在1分钟内关机,如果输入:我是猪,则取消关机!\n请输入:>"); scanf_s("%s",input); if (0 == strcmp(in
#include <stdio.h> #include <stdlib.h> #include <time.h> void menu() { printf("****************************\n"); printf("********猜数字小游戏*********\n"); printf("********** 1.play **
#include <stdio.h> //实现一个二分查找函数 int bin_search(int arr[], int left, int right, int key) { int mid = 0; while(left<=right) { mid = (left + right)>>1; if (arr[mid] > key) {
#include <stdio.h> //编写代码实现,模拟用户登录情景,并且只能登录三次。(只允许登录三次密码,如果密码正确,则提示登录成功,如果三次均输入错误,则退出程序) int main() { char psw[10] = ""; int i = 0; int j = 0; for (i = 0; i < 3; ++i) { printf("please
#include <stdio.h> //编写代码,演示多个字符从两端移动,向中间汇集(for) int main() { char arr1[] = "welconme to world"; char arr2[] = "#################"; int left = 0; int right = strlen(arr1)-1; printf("%s\n",
#include <stdio.h> //编写代码,演示多个字符从两端移动,向中间汇集(while) int main() { char arr1[] = "welconme to world"; char arr2[] = "#################"; int left = 0; int right = strlen(arr1)-1; printf("%s\n
#include <stdio.h> //计算1!+2!+3!+......+10! int main() { int i; int num = 1; int sum = 0; for (i = 1; i <= 10; i++) { num = num * i; sum = sum + num; } printf("计算结果为%d\n",sum); re
#include <stdio.h> //计算n的阶乘 int main() { int i; int num = 1; int n = 0; printf("请输入一个数计算阶乘:"); scanf_s("%d",&n); for (i = 1; i <= n; i++) { num = num * i; } printf("%d的阶乘为%d\n
#include <stdio.h> //do...while()循环 //do...while()循环语句中的continue int main() { int i = 0; do { i++; if (i == 5) continue; printf("%d ",i); } while (i < 10); printf("\n"); retur
#include <stdio.h> //do...while()循环 //do...while()循环语句中的break int main() { int i = 1; do { if (i == 5) break; printf("%d ",i); i++; } while (i <= 10); printf("\n"); return 0;
#include <stdio.h> //do...while()循环 //打印1-10之间的数字 int main() { int i = 1; do { printf("%d ",i); i++; } while (i <= 10); printf("\n"); return 0; }
#include <stdio.h> //for循环 //for循环中的continue int main() { int i = 0; //for(i=1/*初始化*/;i<=10/*判断部分*/;i++/*调整部分*/) for (i = 1; i <= 10; i++) { if (i == 5) continue; printf("%d ",
#include <stdio.h> //for循环 //for循环中的break int main() { int i = 0; //for(i=1/*初始化*/;i<=10/*判断部分*/;i++/*调整部分*/) for (i = 1; i <= 10; i++) { if (i == 5) break; printf("%d ",i); }
#include <stdio.h> //for循环 //在屏幕上打印1-10的数字 int main() { int i = 0; //for(i=1/*初始化*/;i<=10/*判断部分*/;i++/*调整部分*/) for (i = 1; i <= 10; i++) { printf("%d ",i); } printf("\n"); return
#include <stdio.h> //while语句扩展 //这个代码的作用是:只打印数字字符,跳过其他字符 int main() { char ch = '\0'; while ((ch = getchar()) != EOF) { if (ch < '0' || ch > '9') continue; putchar(ch); } ret
#include <stdio.h> //while语句扩展 //这里的代码适当的修改是可以用来为清理缓冲区的 int main() { int ch = 0; while ((ch = getchar()) != EOF) putchar(ch); return 0; }
#include <stdio.h> //while循环 //while语句中的continue int main() { int i = 0; while (i < 10) { i++; if (i == 5) continue; printf("%d ", i); } printf("\n"); return 0; }
#include <stdio.h> //while循环 //while语句中的break int main() { int i = 1; while (i <= 10) { if (i == 5) break; printf("%d ", i); i++; } printf("\n"); return 0; }
#include <stdio.h> //while循环 //在屏幕上打印1-10的数字 int main() { int i = 1; while (i <= 10) { printf("%d ",i); i++; } printf("\n"); return 0; }
#include <stdio.h> //switch语句 //判断工作日还是休息日? int main() { int day = 0; printf("请输入1-7,表示星期一到星期天:"); scanf_s("%d",&day); switch (day) { case 1: case 2: case 3: case 4: case 5:
#include <stdio.h> //输出1-100之间的奇数 int main() { int i = 0; printf("1-100之间的奇数有:"); for (i = 1; i < 101; i++) { if (i % 2 == 1) { printf("%d ",i); } } printf("\n"); return 0; }
#include <stdio.h> //判断一个数是奇数还是偶数 int main() { int num; //从用户输入获取要判断的数 printf("请输入一个整数:"); scanf_s("%d",&num); //使用取模运算判断奇偶性 int a = num % 2; if (a == 0) { printf("是偶数\n"); }
#include <stdio.h> //悬空else //else是和最近的if匹配的 int main() { int a = 0; int b = 2; if (a == 1) { if (b == 2) { printf("hehe\n"); } } else { printf("haha\n"); } return 0; }
#include <stdio.h> //if语句 int main() { int age = 0; printf("请输入年龄:>"); scanf_s("%d",&age); if (age < 18) { printf("少年\n"); } else if (age >= 18 && age < 30) {
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