제출 #637997

#제출 시각아이디문제언어결과실행 시간메모리
637997aris12345678메기 농장 (IOI22_fish)C++17
0 / 100
118 ms17292 KiB
#include "fish.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, pair<int, int> > piii; #define X first #define Y second ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) { vector<piii> A; ll first = 0LL, second = 0LL; for(int i = 0; i < m; i++) { if(x[i] == 0) first += 1LL*w[i]; else second += 1LL*w[i]; A.push_back({y[i], {x[i], w[i]}}); } if(n == 2) return max(first, second); ll ans = 0LL; sort(A.begin(), A.end()); first = 0LL; for(int i = 0; i < m; i++) { if(A[i].Y.X == 0) first += 1LL*A[i].Y.Y; else second -= 1LL*A[i].Y.Y; if(i+1 != m && A[i+1].Y.X == 1 && A[i].Y.X == 0 && A[i].X == A[i+1].X) continue; ans = max(ans, first+second); } return ans; }
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