Submission #745581

#	Time	Username	Problem	Language	Result	Execution time	Memory
745581		lukadupli	Nizovi (COI14_nizovi)	C++14	60 / 100	87 ms	292 KiB

nizovi

#include <bits/stdc++.h>

using namespace std;

bool cmp(int a, int b){
    cout << "cmp " << a << ' ' << b << endl;
    int x;
    cin >> x;
    return x == -1;
}
void rev(int l, int r){
    if(l == r) return;
    cout << "reverse " << l << ' ' << r << endl;
}

int A, B;

int main()
{
    cin >> A >> B;
    rev(1, A);

    int pos = A;
    if(cmp(A + 1, A)) pos = A + 1;

    while(pos > 1){
        int l = 1, r = pos;
        while(r > l){
            int m = (l + r) / 2;

            if(cmp(m, pos + 1)) r = m;
            else l = m + 1;
        }

        rev(l, pos);
        pos = l;

        if(pos == 1) break;

        l = pos; r = A + B;
        while(r > l){
            int m = (l + r + 1) / 2;

            if(cmp(m, pos - 1)) l = m;
            else r = m - 1;
        }

        rev(pos, r);
        rev(pos - 1, r);
        pos--;
    }

    cout << "end" << endl;

	return 0;
}

• Subtask 1: 60 / 100