Submission #675418

#	Time	Username	Problem	Language	Result	Execution time	Memory
675418		Summers	Collider (IZhO11_collider)	C++17	100 / 100	202 ms	20488 KiB

collider

#include<bits/stdc++.h>
#include <ext/rope>
#define endl '\n'
using namespace std;
using namespace __gnu_cxx;

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    long long n,m,i,j,l,r,x;
    string s1;
    rope<char>s;
    char t;

    cin>>n>>m;
    cin>>s1;

    for(i=0;i<n;i++)s.push_back(s1[i]);

    for(i=0;i<m;i++)
    {
        cin>>t;

        if(t=='a')
        {
            cin>>l>>r;
            l--; r--;
            x=s[l];
            s.erase(l,1);
            s.insert(r,x);
        }
        else
        {
            cin>>l;
            cout<<s[l-1]<<endl;
        }
    }

}

Compilation message (stderr)

collider.cpp: In function 'int main()':
collider.cpp:13:21: warning: unused variable 'j' [-Wunused-variable]
   13 |     long long n,m,i,j,l,r,x;
      |                     ^

• Subtask 1: 100 / 100