結果
| 問題 | No.2888 Mamehinata |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-09-13 21:44:03 |
| 言語 | C++17 (gcc 15.2.0 + boost 1.90.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 1,100 bytes |
| 記録 | |
| コンパイル時間 | 1,146 ms |
| コンパイル使用メモリ | 222,752 KB |
| 実行使用メモリ | 16,772 KB |
| 最終ジャッジ日時 | 2026-07-05 16:30:41 |
| 合計ジャッジ時間 | 9,081 ms |
|
ジャッジサーバーID (参考情報) |
judge2_0 / judge1_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 45 WA * 7 |
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:14:37: warning: ignoring return value of 'std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie() const [with _CharT = char; _Traits = std::char_traits<char>]', declared with attribute 'nodiscard' [-Wunused-result]
14 | ios::sync_with_stdio(0); cin.tie();
| ~~~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/ios:48,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/istream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/sstream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/complex:50,
from /home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/x86_64-pc-linux-gnu/bits/stdc++.h:141,
from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@15/15.3.0/include/c++/15/bits/basic_ios.h:310:7: note: declared here
310 | tie() const
| ^~~
ソースコード
#include <bits/stdc++.h>
//#include <atcoder/all>
using ll = long long;
const int MOD = 1000000007;
const int Mod = 998244353;
const int MAX = 1000000005;
const long long INF = 1000000000000000005LL;
using namespace std;
//using namespace atcoder;
int main() {
ios::sync_with_stdio(0); cin.tie();
int N, M;
cin >> N >> M;
vector<vector<int>> G(N);
for (int i = 0; i < M; i++) {
int u, v;
cin >> u >> v;
u--; v--;
G[u].push_back(v);
G[v].push_back(u);
}
vector<int> dist(N, -1);
dist[0] = 0;
queue<int> que;
que.push(0);
while (que.size()) {
int v = que.front();
que.pop();
for (int& nv : G[v]) {
if (dist[nv] != -1) continue;
dist[nv] = dist[v] + 1;
que.push(nv);
}
}
vector<int> cnt(N+1);
for (int i = 0; i < N; i++) {
if (dist[i] == -1) continue;
cnt[dist[i]]++;
}
vector<int> tot(2);
tot[1] = 1;
for (int i = 0; i < N; i++) {
tot[i%2] += cnt[i+1];
cout << tot[i%2] << endl;
}
}