task1
#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() { printf(" O \n"); printf("<H>\n"); printf("I I\n"); printf(" O \n"); printf("<H>\n"); printf("I I\n"); return 0; }
task2
#include <stdio.h> #include <math.h> int main() { double x , ans ; while(scanf("%lf", &x) !=EOF) { ans = pow(x,365); printf("%.2f的365次方:%.2f\n" , x , ans); printf("\n"); } return 0; }
#include<stdio.h> #include<math.h> int main() { float F, C; while (scanf_s("%f", &C)!= EOF) { F = 9*C/5+32; printf("摄氏度c=%.2f时,华氏度f=%.2f", C, F); printf("\n"); } return 0; }
task3
#include<stdio.h> #include<math.h> int main() { unsigned int sum; int n,a1, q; scanf_s("%d", &n); a1 = 1; q = 2; sum = a1*(1 - pow(q,n) )/ (1 - q); printf("n=:%d,sun=%u\n", n, sum); return 0; }
不能,n取64时,计算结果数据过大,超出无符号整形的范围
task4
#pragma warning(disable:4996) #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("%.1f,%.1f\n", x, y); return 0; }
task5
#pragma warning(disable:4996) #include<stdio.h> int main() { int age1, age2; char gender1, gender2; scanf("%d%c%d%c", &age1, &gender1, &age2, &gender2); printf("age1=%d,gender1=%c\n", age1, gender1); printf("age2=%d,gender2=%c\n", age2, gender2); return 0; }
task6
#include<stdio.h> int main() { char ans1, ans2; printf("每次课前认真预习,课后认真复习了没?(输入y或Y表示有,输入n或N表示没有):"); ans1 = getchar(); getchar(); printf("手动敲代码实践了没?(输入y或Y表示敲了,输入n或N表示木有敲):"); ans2 = getchar(); if ((ans1 == 'y' && ans2 == 'y') || (ans1 == 'Y' && ans2 == 'Y')) printf("\n罗马不是一天建成的,继续保持哦:)\n"); else printf("\n罗马不是一天毁灭的,我们来建设吧\n"); return 0; }
task7
#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.作为喜欢自学且自律的人,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_s("%d", &answer); if (answer == 4) { printf("请补充说明你的想法:\n"); getchar(); gets(words); } printf("\n"); printf("当遇到困难时,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,...,没有了.\n"); printf("3.其它...\n"); printf("你的选择:\n"); scanf_s("%d", &answer); if (answer == 1) printf(":)\n"); else if (answer == 2) printf("这样不能解决啊,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; }