제출 #107878

#제출 시각아이디문제언어결과실행 시간메모리
107878SamAnd회문 (APIO14_palindrome)C++17
0 / 100
1056 ms512 KiB
#include <bits/stdc++.h> using namespace std; const int N = 102; int n; char a[N]; int main() { cin >> a; n = strlen(a); int ans = 0; for (int l = 0; l < n; ++l) { for (int r = l; r < n; ++r) { bool z = true; for (int i = l, j = r; i <= r; ++i, --j) { if (a[i] != a[j]) { z = false; break; } } if (!z) continue; int q = 0; for (int ll = 0; ll < n - (l - r + 1); ++ll) { int rr = ll + (l - r + 1) - 1; z = true; for (int i = l, j = ll; i <= r; ++i, ++j) { if (a[i] != a[j]) { z = false; break; } } if (z) ++q; } ans = max(ans, (r - l + 1) * q); } } cout << ans << endl; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

palindrome.cpp: In function 'int main()':
palindrome.cpp:31:21: warning: unused variable 'rr' [-Wunused-variable]
                 int rr = ll + (l - r + 1) - 1;
                     ^~
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