제출 #838508

#제출 시각아이디문제언어결과실행 시간메모리
838508thimote75장난감 기차 (IOI17_train)C++14
5 / 100
4 ms724 KiB
#include "train.h" #include <bits/stdc++.h> using namespace std; using idata = vector<int>; using bdata = vector<bool>; idata controller, charger; int N, M; bdata n0, n1; idata who_wins(idata _controller, idata _charger, idata u, idata v) { N = _controller.size(); M = u.size(); controller = _controller; charger = _charger; n0.resize(N); n1.resize(N); for (int i = 0; i < M; i ++) { if (v[i] == u[i] + 1) n0[u[i]] = 1; else n1[u[i]] = 1; } idata dp(N, 0); for (int i = N - 1; i >= 0; i --) { bool right = n0[i] == 1; bool self = n1[i] == 1; idata L; if (right) L.push_back(dp[i + 1]); if (self) L.push_back(charger[i]); if (controller[i] == 1) { int s = 0; for (int u : L) s += u; dp[i] = min(1, s); } else { int m = 1e9; for (int u : L) m = min(m, u); dp[i] = m; } } return dp; }
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