Submission #1122952

#	Time	Username	Problem	Language	Result	Execution time	Memory
1122952		marinaluca	Collider (IZhO11_collider)	C++20	100 / 100	202 ms	1576 KiB

collider

#include <bits/stdc++.h>

#pragma GCC optimize ("O3")
#pragma GCC optimize ("fast-math")
#pragma GCC optimize ("unroll-loops")

using namespace std;
#define int long long
#define ll long long
#define all (x) begin(x), end (x)
#define xx first
#define yy second

using pii = pair <int, int>;
using tii = tuple <int, int, int>;

int n, m;
string s;

int x, y;
signed main(void)
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n >> m;
    cin >> s;
    for (int i = 0; i < m; ++ i)
    {
        char op;
        cin >> op >> x;
        x = x - 1;
        if (op == 'a')
        {
            cin >> y;
            y = y - 1;
            char ch = s[x];
            s.erase (s.begin() + x);
            s.insert (s.begin() + y, ch);
        }
        else
            cout << s[x] << '\n';
    }
    return 0 ^ 0;   
}

• Subtask 1: 100 / 100