Submission #915804

#	Time	Username	Problem	Language	Result	Execution time	Memory
915804		andrei_iorgulescu	Palindromes (info1cup18_palindromes)	C++14	100 / 100	470 ms	10068 KiB

palindromes

#include <bits/stdc++.h>

using namespace std;

#define int long long

bool palin(int x)
{
    vector<int>dig;
    while (x != 0)
    {
        dig.push_back(x % 10);
        x /= 10;
    }
    for (int i = 0; i < dig.size(); i++)
        if (dig[i] != dig[dig.size() - 1 - i])
            return false;
    return true;
}

signed main()
{
    int n,sm = 0;
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        int x;
        cin >> x;
        if (palin(x) == true)
            sm += x;
    }
    cout << sm;
    return 0;
}

Compilation message (stderr)

palindromes.cpp: In function 'bool palin(long long int)':
palindromes.cpp:15:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for (int i = 0; i < dig.size(); i++)
      |                     ~~^~~~~~~~~~~~

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