제출 #603613

#제출 시각아이디문제언어결과실행 시간메모리
603613Tigryonochekk식물 비교 (IOI20_plants)C++17
0 / 100
1 ms212 KiB
#include <iostream> #include "plants.h" #include <vector> using namespace std; const int N = 5002; int n; int k; vector<int> r; int ans[N][N]; void init(int kip, vector<int> rib) { k = kip; r = rib; n = r.size(); for (int i = 0; i < n; i++) { for (int j = i + 1; j < i + k; j++) { if (r[i] + i >= r[j % n] + j) { ans[i][j % n] = -1; ans[j % n][i] = 1; } else if (r[i] - i <= r[j % n] - j) { ans[i][j % n] = 1; ans[j % n][i] = -1; } } } return; } int compare_plants(int x, int y) { if (n <= 5000 && 2 * k > n) return ans[x][y]; return 0; }
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