제출 #1160291

#제출 시각아이디문제언어결과실행 시간메모리
1160291SmuggingSpun모자이크 (IOI24_mosaic)C++20
5 / 100
74 ms11336 KiB
#include<bits/stdc++.h> #include "mosaic.h" using namespace std; typedef long long ll; vector<ll>mosaic(vector<int>X, vector<int>Y, vector<int>T, vector<int>B, vector<int>L, vector<int>R){ int n = X.size(), q = T.size(); vector<ll>ans(q); if(n <= 5000){ vector<vector<int>>f(n + 1, vector<int>(n + 1, 0)); for(int i = 1; i <= n; i++){ for(int j = 1; j <= n; j++){ f[i][j] = f[i][j - 1] + f[i - 1][j] - f[i - 1][j - 1] + (i == 1 ? X[j - 1] : (j == 1 ? Y[i - 1] : ((X[j - 1] | Y[i - 1]) ^ 1))); } } for(int i = 0; i < q; i++){ ans[i] = f[B[i] + 1][R[i] + 1] - f[B[i] + 1][L[i]] - f[T[i]][R[i] + 1] + f[T[i]][L[i]]; } } else{ } return ans; }
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