do u know string?

#include<bits/stdc++.h>
using namespace std;
typedef long long cxk;
const int N=1e7;
string s="Nice to meet you ";
string q="too";
int a=0;
int n=N*10;
int main(){
    while(n--) a++;
    a=s.size();
    for(int i=0;i<a-1;i++)cout<<s[i];
    cout<<"\n";
    for(int i=17;i<=19;i++)s[i]='o';
    a=20;
	s[17]='t';
    for(int i=0;i<a;i++)cout<<s[i];
}