문제https://www.acmicpc.net/problem/25501 시간 초과된 풀이#include using namespace std;int count;int recursion(string s, int l, int r){ ::count++; if(l >= r) return 1; else if(s[l] != s[r]) return 0; else return recursion(s, l+1, r-1);}int isPalindrome(string s){ return recursion(s, 0, s.length() - 1);}int main(){ ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int ..