제출 #1037510

#제출 시각아이디문제언어결과실행 시간메모리
1037510HappyCapybara메기 농장 (IOI22_fish)C++17
0 / 100
16 ms7260 KiB
#include "fish.h" #include <bits/stdc++.h> using namespace std; #define ll long long ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W){ ll x = 0; vector<ll> pa(N, 0ll), pb(N, 0ll); for (int i=0; i<N; i++){ if (X[i] == 1){ pb[Y[i]] = (ll) W[i]; x += W[i]; } else pa[Y[i]] = (ll) W[i]; } ll bsf = 0; for (int i=1; i<N; i++){ pa[i] += pa[i-1]; pb[i] += pb[i-1]; } for (int i=0; i<N; i++){ bsf = max((ll) bsf, (ll) pa[i]-pb[i]); } return x + bsf; }
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