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C题解 | 小欧皇 | TOp

#include <stdio.h> #include <stdbool.h> int *to, *nxt, *head; // global adjacency arrays int idx; static inline int find(int x, int p[]...

2025-11-08

0 11

C题解非精度8ms | 绝命沙虫

#include <unistd.h> #include <string.h> #define IN_BUF (1 << 20) #define OUT_BUF (1 << 20) static inline int compute_exp(in...

2025-11-07

1 11

C题解 | 挡住洪水 Top 1

#include <stdio.h> int a, b; // dimensions: a rows, b columns char *map; #define MAP(i, j) map[(i) * b + (j)] void dfs(int x, int y) { if...

2025-11-03

1 11

C题解 | 牛牛的加法 Top 1

#include <stdio.h> #include <stdlib.h> #include <string.h> int main() { char *A=NULL,*B=NULL,*rev; size_t n=0,m=0; size...

2025-10-31

1 17

C题解 | 送分题 Top 1

#include <stdio.h> int main() { long n; scanf("%ld", &n); if(n > 20180000) n = 20180000; printf("%ld"...

2025-10-28

0 22

C题解 | 计算某字符出现次数

#include <stdio.h> #include <stdlib.h> int main() { char *s = NULL, c, p; int len = 0, buff = 0, count = 0; // p is pair to c ...

2025-10-27

0 19

C题解 | 字符串最后一个单词的长度反向扫描

#include <stdio.h> #include <stdlib.h> #include <ctype.h> int main() { char *s = 0; size_t n = 0; int c = 0; int l = getli...

2025-10-23

0 22

C题解 | 仰望水面的歪

#include <stdio.h> static long long gcd(long long a, long long b) { if (a < 0) a = -a; if (b < 0) b = -b; while (b) { ...

2025-10-22

0 24