제출 #763143

#제출 시각아이디문제언어결과실행 시간메모리
763143SanguineChameleon게임 (IOI14_game)C++17
100 / 100
297 ms27016 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; const int maxn = 1.5e3 + 20; bool done[maxn][maxn]; pair<int, int> range[maxn]; int color[maxn][maxn]; int cnt[maxn]; void initialize(int n) { for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { color[i][j] = -1; } } for (int i = 0; i < n - 1; i++) { range[i] = make_pair(0, n - 1); } } int hasEdge(int u, int v) { if (u > v) { swap(u, v); } if (u + 1 == v) { for (int i = range[u].first; i <= u; i++) { for (int j = v; j <= range[u].second; j++) { if (!done[i][j] && color[i][j] == -1) { color[i][j] = u; cnt[u]++; } } } for (int i = range[u].first; i < u; i++) { range[i].second = u; } for (int i = v; i < range[u].second; i++) { range[i].first = v; } } done[u][v] = true; if (color[u][v] == -1) { return 0; } cnt[color[u][v]]--; if (cnt[color[u][v]] == 0) { return 1; } else { return 0; } }
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