제출 #1190577

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1190577		epicci23	Mosaic (IOI24_mosaic)	C++20	22 / 100	191 ms	204248 KiB

mosaic

#include "bits/stdc++.h"
#include "mosaic.h"
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;

const int N = 5005;
int n, q;
int row[N], col[N];
int ar[N][N], dp_ar[N][N];

long long calc(int t, int b, int l, int r){
  return dp_ar[b][r] - dp_ar[b][l - 1] - dp_ar[t - 1][r] + dp_ar[t - 1][l - 1];
}

vector<long long> mosaic(vector<int> X, vector<int> Y, vector<int> T, vector<int> B, vector<int> L, vector<int> R) {
  n = sz(X);

  for(int i = 1; i <= n; i++) col[i] = X[i - 1];
  for(int i = 1; i <= n; i++) row[i] = Y[i - 1];
  
  for(int i = 1; i <= n; i++){
    for(int j = 1; j <= n; j++){
      if(i == 1) ar[i][j] = col[j];
      else if(j == 1) ar[i][j] = row[i];
      else ar[i][j] = min(1 - ar[i-1][j], 1 - ar[i][j-1]);
      
      dp_ar[i][j] = dp_ar[i-1][j] + dp_ar[i][j-1] - dp_ar[i-1][j-1] + (ar[i][j] == 1);
    }
  }
  
  q = sz(B);
  vector<long long> ans(q, 0);

  for(int i = 0 ; i < q; i++){
  	int t = T[i], b = B[i], l = L[i], r = R[i];
    ans[i] = calc(t + 1, b + 1, l + 1, r + 1);
  }

  return ans;
}

/*void _(){
  int _n, _q;
  cin >> _n;
  vector<int> xd1(_n, 0), xd2(_n, 0);
  for(int i = 0; i < _n; i++) cin >> xd1[i];
  for(int i = 0; i < _n; i++) cin >> xd2[i];

  cin >> _q;
  vector<int> T(_q),B(_q),L(_q),R(_q);
  for(int i=0;i<_q;i++){
  	cin >> T[i] >> B[i] >> L[i] >> R[i];
  }

  vector<long long> res = mosaic(xd1,xd2,T,B,L,R);
  for(int i = 0; i < sz(res); i++) cout << res[i] << '\n';
}

int32_t main(){
  ios::sync_with_stdio(0);
  cin.tie(0);
  int tc=1;//cin >> tc;
  while(tc--) _();
  return 0;
}*/

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 0 / 7
• Subtask 4: 10 / 10
• Subtask 5: 0 / 8
• Subtask 6: 0 / 22
• Subtask 7: 0 / 19
• Subtask 8: 0 / 22