Submission #473606

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
473606	2021-09-15 17:16:52	rainboy	Mate (COCI18_mate)	C11	80 / 100	2091 ms	5496 KiB

mate

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#include <stdio.h>
#include <string.h>
#define N 2000
#define A 26
#define MD  1000000007
int vv[N + 1], ff[N + 1], gg[N + 1];
void init() {
  int i;
  ff[0] = gg[0] = 1;
  for (i = 1; i <= N; i++) {
    vv[i] = i == 1 ? 1 : (long long) vv[i - MD % i] * (MD / i + 1) % MD;
    ff[i] = (long long) ff[i - 1] * i % MD;
    gg[i] = (long long) gg[i - 1] * vv[i] % MD;
  }
}
long long choose(int n, int k) {
  return (long long) ff[n] * gg[k] % MD * gg[n - k] % MD;
}
int main() {
  static char cc[N + 1];
  static int ans[A][A][N + 1];
  int n, q, i, l, a, b;
  init();
 
 
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Compilation message (stderr)

mate.c: In function 'main':
mate.c:31:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |  scanf("%s%d", cc, &q), n = strlen(cc);
      |  ^~~~~~~~~~~~~~~~~~~~~
mate.c:51:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |   scanf("%d%s", &l, s);
      |   ^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 80 / 100