实验
#include <stdio.h> int main() { printf(" o o \n"); printf("<H> <H>\n"); printf("I I I I\n"); return 0; }
#include<stdio.h> int main() { float x, y; //定义两个整型变量,用来保存整形数据 float r1, r2, r3, r4; //定义两个整型变量,用来保存加减乘除运算结果 x = 1; y = 2; r1 = x + y; r2 = x - y; r3 = x * y; r4 = x / y; printf("r1 = %f\n", r1); //在屏幕上输出r1中存放的结果 printf("r1 = %f\n", r2); //在屏幕上输出r2中存放的结果 printf("r1 = %f\n", r3); //在屏幕上输出r3中存放的结果 printf("r1 = %f\n", r4); //在屏幕上输出r4中存放的结果 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() { double x,y; char c1,c2,c3; int a1,a2,a3; scanf("%d%d%d",&a1,&a2,&a3); printf("%d,%d,%d\n",a1,a2,a3); scanf(" %c %c %c",&c1,&c2,&c3); printf("%c,%c,%c\n",c1,c2,c3); scanf("%lf%lf",&x,&y); printf("%lf,%lf\n",x,y); return 0; }
#include<stdio.h> int main() { char c1,c2; int a1,a2; scanf("%d%c%d%c", &a1, &c1, &a2, &c2); printf("a1 = %d, a2 = %d\n", a1, a2); printf("c1 = %c, c2 = %c\n", c1, c2); return 0; }
#include <stdio.h> int main(){ int answer; char words[5000]; printf("网课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。不懂得,搜索式学习,逐个击破.\n"); printf("2.遇到问题,不高兴。然后,...,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; }