task1
#include <stdio.h> #include <stdlib.h> #include <time.h> #define N 5 #define R1 586 #define R2 701 int main() { int number; int i; srand( time(0) ); for(i = 0; i < N; ++i) { number = rand() % (R2 -R1 + 1) + R1; printf("202283300%04d\n",number); } return 0; }
问题1:随机生成586-701之间的整数
问题2:随机生成202283300586-202283300701之间的学号
task2
#include<stdio.h> int main() { double x, y; char c1, c2, c3; int a1, a2, a3; // scanf("%d%d%d", &a1, &a2, &a3); printf("a1 = %d, a2 = %d, a3 = %d\n", a1,a2,a3); scanf("%c%c%c", &c1, &c2, &c3); printf("c1 = %c, c2 = %c, c3 = %c\n", c1, c2, c3); // scanf("%lf,%lf", &x, &y); // printf("x = %lf,y = %lf\n",x, y); return 0; }
task3_2
#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; }
task3_3
#include <stdio.h> #include <math.h> int main() { double x, ans; while(scanf("%lf", &x) != EOF) { ans = x*9/5 + 32; printf("摄氏度c = %.2f时,华氏度f = %2f\n", x, ans); printf("\n"); } return 0; }
task4
#include <stdio.h> int main() { char inp; int flag; flag = 0; while(scanf("%c", &inp) != EOF) { getchar(); if (inp == 'y') { printf("wait a minute\n"); flag = 1; } else if (inp == 'g') { printf("go go go\n"); flag = 1; } else if (inp == 'r') { printf("stop!\n"); flag = 1; } else if (inp!= 'y'&&inp!= 'g'&&inp!= 'r') { printf("something must be wrong...\n"); } } return 0; }
task5
#include<stdio.h> #include<stdlib.h> #include<math.h> #include<time.h> int main() { srand(time(0)); int d = rand() % 30 + 1; printf("猜猜2023年4月哪一天会是你的lucky day\n\n"); printf("开始喽,你有三次机会,猜吧(1~30):"); int x; scanf("%d", &x); printf("\n"); if(x == d) { printf("哇,猜中了:~)"); } else { if(x < d) { printf("你的日期猜早了,你的lucky day还没到呢\n\n"); } if(x > d) { printf("你的日期猜晚了,你的lucky day已经过了\n\n"); } printf("再猜(1~30):"); scanf("%d", &x); printf("\n"); if(x == d) { printf("哇,猜中了:~)"); } else { if(x < d) { printf("你的日期猜早了,你的lucky day还没到呢\n\n"); } if(x > d) { printf("你的日期猜晚了,你的lucky day已经过了\n\n"); } printf("再猜(1~30):"); scanf("%d", &x); printf("\n"); if(x == d) { printf("哇,猜中了:~)"); } else { if(x < d) { printf("你的日期猜早了,你的lucky day还没到呢\n\n"); } if(x > d) { printf("你的日期猜晚了,你的lucky day已经过了\n\n"); } printf("次数用完了,偷偷告诉你:4月,你的lucky day是%d号", d); } } } system("pause"); return 0; }
task6
#include <stdio.h> int main() { int i,j=1; while(i<=9) { j=1; while(j<=i) { printf("%d×%d=%d\t",j,i,i*j); j++; } printf("\n"); i++; } return 0; }
task7
#include<stdio.h> #include<stdlib.h> int main() { int n; printf("input n:"); scanf("%d", &n); for(int i = 1;i <= n; i++) { for(int k = 1;k <= 3; k++) { for(int j = 1;j <= i - 1; j++) { printf(" "); } for(int j = 1;j <= 2 * (n - i) + 1; j++) { if(k == 1) printf(" O "); if(k == 2) printf("<H> "); if(k == 3) printf("I I "); } printf("\n"); } } system("pause"); return 0; }
标签:include,int,scanf,lucky,实验,printf,main From: https://www.cnblogs.com/zhuquekameitielongyu/p/17245884.html