結果
| 問題 | No.22 括弧の対応 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-08-28 22:53:56 |
| 言語 | C++14 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 5,000 ms |
| コード長 | 877 bytes |
| 記録 | |
| コンパイル時間 | 2,751 ms |
| コンパイル使用メモリ | 247,820 KB |
| 実行使用メモリ | 6,400 KB |
| 最終ジャッジ日時 | 2026-05-16 03:51:58 |
| 合計ジャッジ時間 | 3,913 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 |
|---|---|
| other | AC * 19 |
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ostream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/istream:43,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/sstream:42,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/complex:50,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ccomplex:43,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/x86_64-pc-linux-gnu/bits/stdc++.h:133,
from main.cpp:1:
In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]',
inlined from 'int main()' at main.cpp:27:9:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/ostream.h:212:25: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized]
212 | { return _M_insert(__n); }
| ~~~~~~~~~^~~~~
main.cpp: In function 'int main()':
main.cpp:22:10: note: 'ans' was declared here
22 | ll N,K,ans;string S;cin>>N>>K>>S;stack<ll>Q;
| ^~~
ソースコード
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long int ll;
typedef long double ld;
#define FOR(i,l,r) for(ll i=l;i<r;i++)
#define REP(i,n) FOR(i,0,n)
#define RFOR(i,l,r) for(ll i=r-1;i>=l;i--)
#define RREP(i,n) RFOR(i,0,n)
#define ALL(x) x.begin(),x.end()
#define P pair<ll,ll>
#define F first
#define S second
#define BS(A,x) binary_search(ALL(A),x)
#define LB(A,x) (ll)(lower_bound(ALL(A),x)-A.begin())
#define UB(A,x) (ll)(upper_bound(ALL(A),x)-A.begin())
#define COU(A,x) UB(A,x)-LB(A,x)
template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;
using mint=modint1000000007;
signed main(){
ll N,K,ans;string S;cin>>N>>K>>S;stack<ll>Q;
REP(i,N){
if(S[i]=='(')Q.push(i);
else{if(i==K-1)ans=Q.top()+1;else if(Q.top()==K-1)ans=i+1;Q.pop();}
}
cout<<ans<<endl;
return 0;
}