Lang:G++
Edit123456789101112131415161718#include <iostream>#include <algorithm>#include <string>using namespace std;int main(){string str = "abcd";int m = 0, n = 2;int k = 1;//freopen("42_4.in", "r", stdin);cin>>str;cin>>k;for(int i = 0;i < k;i++){cin>>m>>n;reverse(str.begin()+m, str.begin()+n+1);cout<<str<<endl;}return 0;}