ModAdd

input/code.cpp: In function 'int main(int, char**)':
input/code.cpp:11:9: warning: unused variable 'r' [-Wunused-variable]
     int r = 0;
         ^
input/code.cpp:47:9: warning: unused variable 'rr' [-Wunused-variable]
     int rr = 0;
         ^

#include <iostream>
#include <algorithm>
#include <cstdio>

using namespace std;

int main(int argc, char *argv[])
{
    string x, y;
    vector<int> res;
    int r = 0;

    cin >> x >> y;

    int n = x.length();
    int m = y.length();

    int dif = abs(n - m);

    if (n < m) {
        for (int i = 0; i < dif; ++i) {
            x = '0' + x;
        }
        n = m;
    } else if (n > m) {
        for (int i = 0; i < dif; ++i) {
            y = '0' + y;
        }
        m = n;
    }

    for (int i = n - 1; i >= 0; --i) {
        int a = 0;
        int b = 0;

        if (i < n) {
            a = x[i] - '0';
        }

        if (i < m) {
            b = y[i] - '0';
        }

        res.push_back((a + b) % 10);
    }

    int rr = 0;

    bool isZero = true;

    for (int i = res.size() - 1; i >= 0; --i) {
        if (res[i] == 0 && isZero) {
            continue;
        }

        if (res[i] != 0) {
            isZero = false;
        }

        cout << res[i];
    }

    cout << endl;

    return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: TIME LIMIT EXCEEDED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: TIME LIMIT EXCEEDED

Test 5

Verdict: TIME LIMIT EXCEEDED

Test 6

Verdict: TIME LIMIT EXCEEDED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: TIME LIMIT EXCEEDED

Test 10

Verdict: TIME LIMIT EXCEEDED