結果
| 問題 | No.2035 Tunnel |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2026-03-17 16:05:41 |
| 言語 | C++23 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 3 ms / 2,000 ms |
| コード長 | 1,611 bytes |
| 記録 | |
| コンパイル時間 | 5,007 ms |
| コンパイル使用メモリ | 376,272 KB |
| 実行使用メモリ | 7,720 KB |
| 最終ジャッジ日時 | 2026-03-17 16:05:53 |
| 合計ジャッジ時間 | 11,549 ms |
|
ジャッジサーバーID (参考情報) |
judge3_1 / judge1_1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 28 |
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/bits/stl_algobase.h:67,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/algorithm:62,
from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/x86_64-pc-linux-gnu/bits/stdc++.h:53,
from main.cpp:1:
In member function 'constexpr __gnu_cxx::__normal_iterator<_Iterator, _Container> __gnu_cxx::__normal_iterator<_Iterator, _Container>::operator+(difference_type) const [with _Iterator = char*; _Container = std::__cxx11::basic_string<char>]',
inlined from 'int main()' at main.cpp:46:34:
/home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/stl_iterator.h:1148:47: warning: 'idx' may be used uninitialized [-Wmaybe-uninitialized]
1148 | { return __normal_iterator(_M_current + __n); }
| ^~~
main.cpp: In function 'int main()':
main.cpp:39:8: note: 'idx' was declared here
39 | ll n,idx,stc=0,ans=0;string s;cin>>n>>s;
| ^~~
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define rep(i, x, limit) for (long long i = (long long)x; i < (long long)limit; i++)
#define REP(i, x, limit) for (long long i = (long long)x; i <= (long long)limit; i++)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define el endl
#define spa " "
#define Yes cout << "Yes" << el
#define No cout << "No" << el
#define YES cout << "YES" << el
#define NO cout << "NO" << el
#define eps (1e-10)
#define Equals(a,b) (fabs((a) - (b)) < eps )
#define debug(x) cerr << #x << " = " << x << el
using ll = long long;
using ull = unsigned long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
using vi = vector<int>;
using vl = vector<ll>;
using vvl = vector<vector<ll>>;
using vs = vector<string>;
using vb = vector<bool>;
const double pi = 3.141592653589793238;
const int inf = 1073741823;
const ll infl = 1LL << 60;
const string ABC = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const string abc = "abcdefghijklmnopqrstuvwxyz";
const ll MOD = 998244353;
#include<atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using vm = vector<mint>;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
ll n,idx,stc=0,ans=0;string s;cin>>n>>s;
rep(i,0,n){
if(s[i]=='#'){
idx=i;
break;
}
}
string ns(s.begin()+idx,s.end());
string rs(ns.rbegin(),ns.rend());
ll ss=rs.size();
rep(i,0,ss){
if(rs[i]=='#'){
if(i<ss-1){
stc++;
ans+=2;
}else{
ans+=1;
}
}else{
if(stc>0){
stc--;
}else{
ans++;
}
}
}
cout<<ans<<el;
}