题解 | 游游的字母翻倍
游游的字母翻倍
https://www.nowcoder.com/practice/cd02bff88b6f4f4fba264dccdb78705d
#include<bits/stdc++.h>
using namespace std;
int n,q;
string ss;
int main()
{
cin>>n>>q;
cin>>ss;
while(q--)
{
int l,r;
cin>>l>>r;
for(int i=l;i<=r;i+=2)
{
ss=ss.insert(i-1,1,ss[i-1]);
r++;
}
}
cout<<ss<<endl;
return 0;
}
