Submission #402325

#	Time	Username	Problem	Language	Result	Execution time	Memory
402325		Alma	Palindromes (info1cup18_palindromes)	C++17	100 / 100	242 ms	57348 KiB

palindromes

#include <bits/stdc++.h>
using namespace std;

typedef long long int ll;

bool palindrome (string & s) {
    int l = 0, r = (int)s.size() - 1;
    while (l <= r) {
        if (s[l] != s[r]) return false;
        l++; r--;
    }
    return true;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    ll n, x, sum = 0; 
    vector<ll> vi;
    vector<string> vs;
    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> x;
        vi.push_back(x);
        vs.push_back(to_string(x));
    }
    for (int i = 0; i < n; i++) {
        if (palindrome(vs[i])) sum += vi[i];
    }
    cout << sum << '\n';
    return 0;
}

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