제출 #411776

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
411776		Alexandra	Palindromes (info1cup18_palindromes)	C++14	100 / 100	134 ms	9924 KiB

palindromes

#include <iostream>
#include <string>
#include <vector>
#include <cmath>
#include <math.h>
#include <algorithm>

using namespace std;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(NULL);

	long long int n, a, resp=0;
	cin >> n;
	vector <int> digitos;
	for (int i=0; i<n; i++) {
		string num;
		cin >> num;
		bool palin = true;
		for (int j=0; j<num.size(); j++) {
			if (num[j] != num[num.size()-1-j]) {
				palin = false;
				break;
			}
		}

		if (palin==true) {
			resp += stoi(num);
		}
	}
	cout << resp;
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

palindromes.cpp: In function 'int main()':
palindromes.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |   for (int j=0; j<num.size(); j++) {
      |                 ~^~~~~~~~~~~
palindromes.cpp:14:19: warning: unused variable 'a' [-Wunused-variable]
   14 |  long long int n, a, resp=0;
      |                   ^

• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 35 / 35