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全部文章（共21篇）

题解 | #有序序列判断#

">int main() { int n = 0; scanf("%d",&n); int arr[50]={0}; int i = 0; for(i = 0;i<n;i++) { scanf("%d ",&arr...

C

2022-03-09

0 257

题解 | #X形图案#

">int main() { int n = 0; while(~scanf("%d",&n)) { //n*n的数组，对角线初始化为*，其余初始化为‘ ’，最后打印这个二维数组 char arr[20][20]; int i...

C

2022-03-09

19 456

题解 | #序列中删除指定数字#

">int main() { int n = 0; scanf("%d",&n); int arr[n]; int i = 0; for(i = 0;i<n;i++) { scanf("%d ",&arr[i]);...

C

2022-03-09

2 326

题解 | #牛牛学数列#

">int main() { int n = 0; scanf("%d",&n); int i = 0; int sum = 0; for(i = 1;i<=n;i++) { if(i%2==0)//偶数 ...

C

2022-03-08

1 405

题解 | #字符串操作#

">int main() { int n = 0; int m = 0; scanf("%d %d",&n,&m); char s[n]; scanf("%s",&s); int i = 0; int l = 0,r =...

C

2022-03-07

0 300

题解 | #小乐乐改数字#

#include<stdio.h> int main() { long long n = 0; scanf("%lld",&n); long long a = n; long long b = n; int i = 0; int j = 0; int arr[9]; while(...

C

2022-03-04

0 267

题解 | #牛牛的球#

总感觉写过 ">int main() { double r = 0.0; scanf("%lf",&r); printf("%lf",(4.0/3.0)*3.14*r*r*r); return 0; }

C

2022-03-04

0 264

题解 | #牛牛的水杯#

#include<stdio.h> int main() { int h = 0,r = 0; scanf("%d %d",&h,&r); double ret = 3.14*h*(r*r);//一杯有多少ml水 ret = ret/1000; double sum = ...

C

2022-02-24

1 335

题解 | #牛牛的并联电路#

#include<stdio.h> int main() { double r1 = 0,r2 = 0; scanf("%lf %lf",&r1,&r2); double ret = 1.0/(1.0/r1 + 1.0/r2); printf("%lf",ret); re...

C

2022-02-24

0 275

题解 | #牛牛的圆#

">int main() { double r; scanf("%lf",&r); double sqrt = r*r*3.14; printf("%.2lf",sqrt); return 0; }

C

2022-02-24

0 321