Merkkijono

input/code.cpp: In function 'int main()':
input/code.cpp:11:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while (j<=s.size()){
            ~^~~~~~~~~~

#include <bits/stdc++.h>


int main(){
std::string kirjaimet = "abcdefghijklmno";
int n;
std::string s = "a";
std::cin>>n;
for(int i = 1;i<n;i++){
    int j = 0;
    while (j<=s.size()){
        s.insert(j,1,kirjaimet[i]);
        j+=2;
    }
}
std::cout<<s;
}

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: WRONG ANSWER