Submission #1426740
Source Code Expand
#include <iostream> #include <vector> #include <queue> #define REP(i, a, n) for(int i = ((int) a); i < ((int) n); i++) #define fi first #define se second using namespace std; typedef pair<int, int> pii; struct state { int n, d; bool operator<(const state &s) const { return d > s.d; } }; int N, A, B; vector<int> E[100000]; int v[100000]; int main(void) { cin >> N; REP(i, 0, N - 1) { cin >> A >> B; A--; B--; E[A].push_back(B); E[B].push_back(A); } REP(i, 0, N) v[i] = 0; v[0] = 1; v[N - 1] = 2; priority_queue<state> q; REP(i, 0, E[0].size()) q.push((state) { E[0][i], 1 }); REP(i, 0, E[N - 1].size()) q.push((state) { E[N - 1][i], 2 }); while(q.size()) { state c = q.top(); q.pop(); if(v[c.n]) continue; v[c.n] = 2 - c.d % 2; REP(i, 0, E[c.n].size()) { int nn = E[c.n][i]; int nd = c.d + 2; if(!v[nn]) q.push((state) { nn, nd }); } } int cnt[2] = { 0, 0 }; REP(i, 0, N) cnt[v[i] - 1]++; cout << (cnt[0] > cnt[1] ? "Fennec" : "Snuke") << endl; return 0; }
Submission Info
Submission Time | |
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Task | D - Fennec VS. Snuke |
User | kshinya |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1111 Byte |
Status | AC |
Exec Time | 79 ms |
Memory | 6528 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
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Set Name | Test Cases |
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Sample | 00_example_01.txt, 00_example_02.txt |
All | 00_example_01.txt, 00_example_02.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 2 ms | 2560 KB |
00_example_02.txt | AC | 2 ms | 2560 KB |
01.txt | AC | 2 ms | 2560 KB |
02.txt | AC | 2 ms | 2560 KB |
03.txt | AC | 2 ms | 2560 KB |
04.txt | AC | 2 ms | 2560 KB |
05.txt | AC | 64 ms | 5504 KB |
06.txt | AC | 68 ms | 5760 KB |
07.txt | AC | 64 ms | 5504 KB |
08.txt | AC | 68 ms | 5760 KB |
09.txt | AC | 2 ms | 2560 KB |
10.txt | AC | 68 ms | 6144 KB |
11.txt | AC | 73 ms | 5888 KB |
12.txt | AC | 74 ms | 6400 KB |
13.txt | AC | 78 ms | 6528 KB |
14.txt | AC | 77 ms | 6528 KB |
15.txt | AC | 79 ms | 6528 KB |
16.txt | AC | 75 ms | 6144 KB |
17.txt | AC | 77 ms | 6144 KB |
18.txt | AC | 76 ms | 6144 KB |
19.txt | AC | 74 ms | 6144 KB |