HIIT game

input/code.cpp: In function 'int main()':
input/code.cpp:14:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i <= s.length(); ++i) {
                                   ^
input/code.cpp:25:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i < s.length()) v.push_back(s[i]);
                          ^

#include <iostream>
#include <vector>
#include <string>

using namespace std;

string s;
vector<char> v;
int cur = 0;

int main() {
    cin >> s;
    
    for (int i = 0; i <= s.length(); ++i) {
        int cs = v.size();
        while (cs >= 4) {
            if (v[cs-4] == 'H' && v[cs-3] == 'I' && v[cs-2] == 'I' && v[cs-1] == 'T') {
                cur++;
                cur %= 2;
                for (int j = 0; j < 4; ++j) v.pop_back();
            }
            else break;
            cs = v.size();
        }
        if (i < s.length()) v.push_back(s[i]);
    }
    if (cur == 0) cout << "Maija\n";
    else cout << "Uolevi\n";
    return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED

Test 20

Verdict: ACCEPTED

Test 21

Verdict: ACCEPTED

Test 22

Verdict: ACCEPTED

Test 23

Verdict: ACCEPTED

Test 24

Verdict: ACCEPTED

Test 25

Verdict: ACCEPTED

Test 26

Verdict: ACCEPTED

Test 27

Verdict: ACCEPTED

Test 28

Verdict: ACCEPTED

Test 29

Verdict: ACCEPTED