Submission #1132505

#	Time	Username	Problem	Language	Result	Execution time	Memory
1132505		Kubeti	Calvinball championship (CEOI15_teams)	C++20	20 / 100	1095 ms	328 KiB

teams

#include <bits/stdc++.h>

using namespace std;

const int nmax = 1e5 + 1, mod = 1e9 + 7;

int cnt = 0, n;
int v[20], curr[20];

void bk(int ind, int mx) {
  if(ind == n + 1) {
    cnt++;
    for(int i = 1; i <= n; i++) {
      if(v[i] != curr[i]) {
        return;
      }
    }
    cout << cnt % mod;
    exit(0);
  }
  for(int i = 1; i <= mx; i++) {
    curr[ind] = i;
    bk(ind + 1, mx);
  }
  curr[ind] = mx + 1;
  bk(ind + 1, mx + 1);
  curr[ind] = 0;
}

int main(){
  ios_base::sync_with_stdio(0);cin.tie(0);
  cin >> n;
  for(int i = 1; i <= n; i++) {
    cin >> v[i];
  }
  bk(1, 0);
  return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10