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原创【C语言】冒泡排序

#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>void bubble_sort(int arr[], int sz){ for (int i = 0; i < sz - 1; i++)//N个数字，需要N-1躺排序 { for (int j = 0; j < sz - 1 - i; j++)//每一趟排序需要做的内容 { if (arr[j] &lt...

2022-04-03 20:36:38 723

原创【C语言】输出乘法口诀表

int main(){ int i = 0; for (i = 1; i < 10; i++) { for (int j = 1; j <= i; j++) { printf("%d*%d=%d ", i, j,i * j); } printf("\n"); } return 0;}...

2022-03-27 17:14:35 1406

原创【C语言】判断100到200的素数

int main(){ int num = 0; for (num = 101; num <= 200; num+=2)//排除偶数 { int j = 0; int flag = 1; for (j=2; j < num; j++) { if (num % j == 0) { flag = 0; ...

2022-03-25 20:16:00 735

原创【C语言】判断1000到2000年之前的闰年

#include <stdio.h>int main(){ for (int y = 1000; y <= 2000; y++) { if ((y % 4 == 0 && y % 100 != 0) || (y % 400 == 0)) { printf("%d ", y); } } return 0;}...

2022-03-25 19:43:07 375

原创【C语言】最大公约数

int main(){ int m, n,t= 0; scanf("%d %d", &m, &n); while (t = m % n) { m = n; n = t; } printf("最大公约数%d", n);}int main(){ int m, n, min = 0; scanf("%d %d", &m, &n); if (m > n)...

2022-03-23 00:03:08 585

原创【C语言】输入3个数字按从大到小排序

int main(){ int a, b, c = 0; scanf("%d %d %d", &a, &b, &c); if (a < b) { int tmp = a; a = b; b = tmp; } if (a < c) { int tmp = a; a = c; c = tmp; } if (b...

2022-03-22 23:21:01 2589

原创【C语言】猜数字游戏

#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include <stdlib.h>#include <time.h>void mean(){ printf("*********猜数字游戏********\n"); printf("******************************\n"); printf("*********1.play ************\n...

2022-03-22 22:45:52 4209

原创【C语言】对密码输入进行判断，3次输错退出

#include <string.h>int main(){ char password[20] = { 0 }; int i = 0; for (i = 0; i < 3; i++) { printf("请输入密码:>"); scanf("%s", password); if (strcmp(password, "123456") == 0) { printf...

2022-03-20 21:45:27 2246

原创【C语言】多个字符从两边移动，要中间靠拢

#include <string.h>#include <windows.h>int main(){ char arr1[] = "hello,what's you name?"; char arr2[] = "**********************"; int left = 0; int right = strlen(arr1)-1; while (left <= right) { arr2[lef...

2022-03-20 21:26:18 142

原创【C语言】二分查找

int main(){ int arr[] = { 1,2,3,4,5,6,7,8,9 }; int size_arr = sizeof(arr) / sizeof(arr[0]); int key = 8; int left = 0; int right = size_arr - 1; while (left <= right) { int mid = (left + right) / 2; if (arr[m...

2022-03-20 20:52:44 444

原创【C语言】用while输出0-100

int main(){ int i = 0; while (i <= 100) { printf("%2d ", i); i++; if (i % 5 == 0) { printf("\n"); } } return 0;}

2022-03-20 15:07:02 2422 1

原创【C语言】Switch语句

int main(){ int a = 0; scanf("%d", &a); switch (a) { case 1: printf("分支1\n"); break; case 2: printf("分支2\n"); break; case 3: printf("分支3\n"); break; case 4: printf...

2022-03-20 14:36:17 747

原创【C语言】判断1-100的奇数

两种写法：第一：int main(){ for (int i = 1; i <= 100; i+=2) { printf("%d ", i); } return 0;}第二：int main(){ for (int i = 1; i <= 100; i++) { if (i % 2 == 1) printf("%d ", i); } retur...

2022-03-20 00:09:23 1601 1

原创【C语言】判断输入是否能被5整除

//判断输入的字符是否能被5整除，YES or NOint main(){ int a = 0; scanf("%d", &a); if (a%5 == 0) printf("YES:能被5整除\n"); else printf("NO:不能被5整除\n"); return 0;}...

2022-03-19 23:06:19 2845 1

原创【C语言】用函数求2个整数的大小

int Max(int x, int y){ if (x > y) return x; else return y;}int main(){ int a = 0; int b = 0; printf("请输入2个需要比较大小的数字："); scanf("%d %d", &a, &b); int m = Max(a, b); printf("最大值是%d",m); retur...

2022-03-19 22:09:34 662 1

原创初识C语言0319_1

工作需要，开始学习C语言。在B站找到了比特鹏哥的视频教学。然后开始学习。本不想写，但是考虑可以总结自己练习的代码，并且进行记录。于是有了第一篇的内容。.copy部分代码（有些找不到了，囧）：//int main()//{// int arr[10] = { 0 };// printf("请输入10个字符\n");// for (int i = 0; i < 10; i++)// {// scanf("%d", &arr[i]...

2022-03-19 21:47:48 178

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