oj.uz

Submission #401078

# Submission time Handle Problem Language Result Execution time Memory
401078 2021-05-09T10:21:58 Z dolphingarlic Mouse (info1cup19_mouse) C++14
0 / 100
 1 ms 200 KB 
#include "grader.h"

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;

void solve(int N) {
    vector<int> perm(N), pot(N);
    iota(perm.begin(), perm.end(), 1);
    vector<bool> known(N, false);
    int prv = -1;
    for (int i = 0; i < N;) {
        if (known[i]) {
            i++;
            continue;
        }
        int baseline = query(perm);
        if (baseline == N) return;

        int found = -1;
        for (int j = i + 1; j < N; j++) if (!known[j]) {
            swap(perm[i], perm[j]);
            pot[j] = query(perm);
            if (pot[j] == N) return;
            if (pot[j] > baseline) {
                found = j;
                break;
            }
            swap(perm[i], perm[j]);
        }
        if (~found) {
            for (int j = i + 1; j < N; j++) if (!known[j] && pot[j] < baseline)
                known[j] = true;
            if (~prv) known[prv] = true;
            prv = found;
        } else {
            known[i] = true;
            i++;
            prv = -1;
        }
    }
    query(perm);
}

Subtask #1
0.0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 38.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 49.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -