Submission #742116

#	Time	Username	Problem	Language	Result	Execution time	Memory
742116		Lukap	Nizovi (COI14_nizovi)	C++14	90 / 100	163 ms	296 KiB

nizovi

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 1e5 + 7;

int a,b;
int mjesto[MAXN];

int bs (int x, int lo, int hi) {
    while (lo < hi) {
        int mid = (lo + hi + 1) / 2;
        cout << "cmp " << x << ' ' << mid + a << "\n";
        cout.flush();
        int c;
        cin >> c;
        if (c == -1) hi = mid - 1;
        else lo = mid;
    }
    return lo;
}

int main () {
//    ios_base::sync_with_stdio (false);
//    cin.tie (0);

    cin >> a >> b;

    for (int i = 1; i <= a; i++) mjesto[i] = bs (i, mjesto[i - 1], b);

    int lo = 1, hi;

    for (int i = 1; i <= a; i++) {
        hi = mjesto[i] + a;
        if (hi - lo == a - i || lo >= hi) {
            lo++;
            continue;
        }
        cout << "reverse " << lo << ' ' << hi << "\n";
        cout.flush ();
        if ((hi - lo) - (a - i) > 1) {
            cout << "reverse " << lo << ' ' << hi - a + i - 1 << "\n";
            cout.flush ();
        }
        if (i < a) {
            cout << "reverse " << hi - a + i << ' ' << hi << "\n";
            cout.flush ();
        }
        lo = hi - a + i + 1;
    }

    cout << "end";
    cout.flush ();

    return 0;
}

• Subtask 1: 90 / 100