niuke9999

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全部文章（共65篇）

题解 | 硬币凑钱

#include <stdio.h> int main(void) { int n; scanf("%d", &n); int k7 = n / 7; int r = n % 7; int ans; if ...

2025-11-24

0 8

题解 | 数楼梯

#include <stdio.h> int main(void) { int n; scanf("%d", &n); if(n == 1){ printf("1\n"); ret...

2025-11-24

0 8

题解 | 完美异或

#include <stdio.h> int main(void) { int t; scanf("%d", &t); while (t--) { int n; scanf("%d"...

2025-11-23

0 7

题解 | 被打乱的异或和

#include <stdio.h> int main(void) { int t, n; scanf("%d", &t); while(t--){ scanf("%d", &n); ...

2025-11-23

0 6

题解 | 二进制不同位数

#include <stdio.h> int main(void) { int m, n; scanf("%d%d", &m, &n); int count = 0; while(m || n){ i...

2025-11-22

0 6

题解 | 二进制数1

#include <stdio.h> int main(void) { long long x; scanf("%lld", &x); long long count = 0; while(x){ x &am...

2025-11-22

0 7

题解 | 小红的排列构造②

#include <stdio.h> int main(void) { int n; scanf("%d", &n); char ch[100005]; scanf("%s", ch); ...

2025-11-22

0 7

题解 | 构造数列

#include <stdio.h> int main(void) { int t; scanf("%d", &t); while(t--){ int n; scanf("%d",...

2025-11-21

0 16

题解 | 小红的排列构造①

#include <stdio.h> int main(void) { int n; scanf("%d", &n); if (n == 1 || n == 2) { printf("-1\n")...

2025-11-21

0 14

题解 | 构造三角形

#include <stdio.h> int main(void) { int t; scanf("%d", &t); while (t--) { int a, b, c, d; scanf(&quo...

2025-11-21

0 18