Submission #363227

#	Time	Username	Problem	Language	Result	Execution time	Memory
363227		Tenis0206	Palindromes (info1cup18_palindromes)	C++14	100 / 100	104 ms	9964 KiB

palindromes

#include <bits/stdc++.h>

using namespace std;
int n;
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n;
    long long rez = 0;
    for(int i=1;i<=n;i++)
    {
        string s;
        cin>>s;
        bool ok = true;
        for(int i=0;i<s.size()/2;i++)
        {
            if(s[i]!=s[s.size()-i-1])
            {
                ok = false;
                break;
            }
        }
        if(ok)
        {
            int nr = 0;
            for(auto it : s)
            {
                nr = nr*10 + it - '0';
            }
            rez+=nr;
        }
    }
    cout<<rez<<'\n';
    return 0;
}

Compilation message (stderr)

palindromes.cpp: In function 'int main()':
palindromes.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |         for(int i=0;i<s.size()/2;i++)
      |                     ~^~~~~~~~~~~

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