Submission #94533

#	Time	Username	Problem	Language	Result	Execution time	Memory
94533		tincamatei	Asceticism (JOI18_asceticism)	C++14	49 / 100	670 ms	71068 KiB

asceticism

#include <bits/stdc++.h>

const int MAX_N = 3000;
const int MOD = 1000000007;
int dp[1+MAX_N][1+MAX_N];

int main() {
  int n, k;
  scanf("%d%d", &n, &k);

  dp[0][0] = 1;
  for(int i = 1; i <= n; ++i)
    for(int j = 1; j <= n; ++j) {
      dp[i][j] = ((long long)dp[i - 1][j] * j + (long long)dp[i - 1][j - 1] * (i - j + 1)) % MOD;
    }
  printf("%d", dp[n][k]);
  return 0;
}

Compilation message (stderr)

asceticism.cpp: In function 'int main()':
asceticism.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &n, &k);
   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 20 / 20
• Subtask 3: 25 / 25
• Subtask 4: 0 / 51