結果
| 問題 | No.1473 おでぶなおばけさん |
| コンテスト | |
| ユーザー |
Kome_soudou
|
| 提出日時 | 2022-03-23 13:30:05 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 1,025 bytes |
| 記録 | |
| コンパイル時間 | 1,776 ms |
| コンパイル使用メモリ | 176,996 KB |
| 実行使用メモリ | 11,820 KB |
| 最終ジャッジ日時 | 2024-10-11 11:14:31 |
| 合計ジャッジ時間 | 10,643 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 44 WA * 3 |
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:39,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/sstream:38,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/complex:45,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ccomplex:39,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54,
from main.cpp:1:
In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>]',
inlined from 'int main()' at main.cpp:64:23:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:167:25: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized]
167 | { return _M_insert(__n); }
| ~~~~~~~~~^~~~~
main.cpp: In function 'int main()':
main.cpp:33:17: note: 'ans' was declared here
33 | int64_t ans;
| ^~~
ソースコード
#include <bits/stdc++.h>
using namespace std;
struct Edge
{
int64_t to; // 辺の行先
int64_t weight; // 辺の重み
Edge(int64_t t, int64_t w) : to(t), weight(w){}
};
using Graph = vector<vector<Edge>>;
int main()
{
int64_t N, M;
cin >> N >> M;
Graph G(N);
int64_t S, T, D;
for(int64_t i = 0; i < M; i++)
{
cin >> S >> T >> D;
S--; T--;
G[S].push_back(Edge(T, D));
G[T].push_back(Edge(S, D));
}
int64_t ok = 1;
int64_t ng = 1000000001;
int64_t mid;
const int64_t inf = 1000000001;
queue<int64_t> q;
int64_t ans;
while(ng - ok != 1)
{
mid = (ng + ok) / 2;
vector<int64_t> dist(N, inf);
dist[0] = 0;
q.push(0);
while(!q.empty())
{
int64_t p = q.front();
q.pop();
for(Edge e : G[p])
{
if(e.weight < mid) continue;
if(dist[p] + 1 < dist[e.to])
{
dist[e.to] = dist[p] + 1;
q.push(e.to);
}
}
}
if(dist[N - 1] != inf)
{
ok = mid;
ans = dist[N - 1];
}
else ng = mid;
}
cout << ok << ' ' << ans << endl;
return 0;
}
Kome_soudou