//打印两个(行)个字符小人 #include<stdio.h> int main() { printf(" O O\n"); printf("<H> <H>\n"); printf("I I I I\n"); return 0; }
//打印两个(列)字符小人 #include<stdio.h> int main() { printf(" O \n"); printf("<H> \n"); printf("I I \n"); printf(" O \n"); printf("<H> \n"); printf("I I \n"); return 0; }
#include<stdio.h> int main() { float x, y; float r1, r2, r3, r4; x = 1; y = 2; r1 = x + y; r2 = x - y; r3 = x * y; r4 = x / y; printf("r1 = %f\n",r1); printf("r2 = %f\n",r2); printf("r3 = %f\n",r3); printf("r4 = %f\n",r4); return 0; }
#include<stdio.h> int main() { int n, r1, r2, r3, r4; n = 100; r1 = n*(n+1)/2; r2 = (n+1)*n/2; r3 = n/2*(n+1); r4 = (n+1)/2*n; printf("n = %d\n",n); printf("r1 = %d\n",r1); printf("r2 = %d\n",r2); printf("r3 = %d\n",r3); printf("r4 = %d\n",r4); return 0; }
#include<stdio.h> int main() { int n, r1, r2, r3, r4; n = 101; r1 = n*(n+1)/2; r2 = (n+1)*n/2; r3 = n/2*(n+1); r4 = (n+1)/2*n; printf("n = %d\n",n); printf("r1 = %d\n",r1); printf("r2 = %d\n",r2); printf("r3 = %d\n",r3); printf("r4 = %d\n",r4); return 0; }
#include <stdio.h> int main() { int answer; char words[5000]; printf("网课学习让一些人欢喜一些人忧.\n"); printf("1. 作为一个宅,社恐,觉得这样很好,有网络,自主学习,很ok.\n"); printf("2.不喜,不喜,很不喜,眼睛快瞎了,脑壳有点卡...\n"); printf("3.中间派,不知道,说不清.\n"); printf("4.其它...\n"); printf("你的选择: "); scanf("%d", &answer); if(answer == 4) { printf("请补充说明你的想法:\n"); getchar(); gets(words); } printf("\n"); printf("当遇到问题时你会选择:\n"); printf("1.遇到问题,就解决问题。不懂的,搜索式学习,逐个攻破.\n") ; printf("2.遇到问题,不高兴。然后,...,就没有了.\n"); printf("3.其它...\n"); printf("你的选择: "); scanf("%d", &answer); if(answer == 1) printf(":)\n"); else if(answer == 2) printf("这样不能解决问题啊...我们选择1好不好:)\n"); else if(answer == 3) { printf("请补充说明你的想法:\n"); getchar(); gets(words); } return 0; }
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