Submission #4034603

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int gcd(int a,int b){
  if(a<b) swap(a,b);
  if(a%b) return gcd(b,a%b);
  else return b;
}
int main(){
  int a,b;
  string s,t,c,d;
  cin>>a>>b>>s>>t;
  int g=gcd(a,b);
  for(int i=0;i<a;i+=a/g) c.push_back(s[i]);
  for(int j=0;j<b;j+=b/g) d.push_back(t[i]);
  cout<<(c==d?a/g*b:-1);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:41: error: ‘i’ was not declared in this scope
   for(int j=0;j<b;j+=b/g) d.push_back(t[i]);
                                         ^