Submission #1153285

#	Time	Username	Problem	Language	Result	Execution time	Memory
1153285		Ak_16	September (APIO24_september)	C++20	0 / 100	0 ms	320 KiB

september

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;


int cnt[100005];
int chi[100005];
int fou[100005];
int vis[100005];
int cur;

int solve(int n, int m, vector<int> p, vector<vector<int>> s){
  cur=0;
  for(int i=0; i<n; i++){
    cnt[i]=0; chi[i]=0; fou[i]=0; vis[i]=0;
  }
  for(int i=1; i<n; i++){
    chi[p[i]]++;
  }
  int req=0;
  int hav=0;
  int ans=0;
  
  for(int i=0; i<n-1; i++){
    
    for(int j=0; j<m; j++){
      cnt[s[j][i]]++;
      if(cnt[s[j][i]]==1){
        cur++;
        req += chi[s[i][j]];
        vis[s[i][j]]=1;
        fou[p[s[i][j]]]++;
        if(vis[p[s[i][j]]]==1){hav++;}
        hav += fou[s[i][j]];
      }
    }
    
    if(cur==i+1&&req==hav){ans++;}
  }
  
  return ans;
  
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 14
• Subtask 3: 0 / 5
• Subtask 4: 0 / 9
• Subtask 5: 0 / 5
• Subtask 6: 0 / 11
• Subtask 7: 0 / 9
• Subtask 8: 0 / 11
• Subtask 9: 0 / 9
• Subtask 10: 0 / 16