제출 #817788

#제출 시각아이디문제언어결과실행 시간메모리
817788OrazB슈퍼트리 잇기 (IOI20_supertrees)C++14
21 / 100
171 ms23984 KiB
#include <bits/stdc++.h> #include "supertrees.h" using namespace std; #define all(x) (x).begin(), (x).end() #define ll long long int #define pii pair <int, int> #define pb push_back #define ff first #define ss second const int N = 1e5+5; int tp[N]; int construct(vector<vector<int>> p){ int n = p.size(); vector<vector<int>> b(n, vector<int>(n)); for (int i = 0; i < n; i++){ if (tp[i]){ if (p[tp[i]-1] != p[i]) return 0; continue; } for (int j = 0; j < n; j++){ if (i == j) continue; if (p[i][j]){ tp[j] = i+1; b[i][j] = b[j][i] = 1; } } } build(b); return 1; }
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