제출 #1293785

#제출 시각아이디문제언어결과실행 시간메모리
1293785zeyd123괄호 문자열 (CEOI16_match)C++20
0 / 100
1 ms568 KiB
#include <bits/stdc++.h> using namespace std; /* ---===ASCII help===--- '0' -> 48 '9' -> 57 'A' -> 65 'Z' -> 90 'a' -> 97 'z' -> 122 */ const long long mod = 1e9 + 7; void solve() { string s; cin >> s; int n = s.size(); if (n % 2 == 1) { cout << -1 << "\n"; return; } string ans = string(n, '?'); for (int i = 0; i < n - 1; ) { if (s[i] == s[i + 1]) { ans[i] = '('; ans[i + 1] = ')'; i += 2; } else i++; } if (count(ans.begin(), ans.end(), '?') == n) { cout << -1 << "\n"; return; } else { for (int i = 0; i < n / 2; i++) { if (s[i] == s[n - i - 1] && (ans[i] != '(' && ans[i] != ')') && (ans[n - i - 1] != '(' && ans[n - i - 1] != ')')) { ans[i] = '('; ans[n - i - 1] = ')'; } } cout << ans << "\n"; } } int main() { int t = 1; //cin >> t; while (t--) { solve(); } }
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