oj.uz

Submission #585880

# Submission time Handle Problem Language Result Execution time Memory
585880 2022-06-29T13:26:16 Z stevancv Carnival (CEOI14_carnival) C++14
100 / 100
 9 ms 464 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
int Ask(vector<int> a) {
    int x = a.size();
    cout << x << sp;
    for (int u : a) cout << u + 1 << sp;
    cout << en;
    cout.flush();
    cin >> x;
    return x;
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n; cin >> n;
    vector<int> p;
    int pre = 0;
    vector<int> tr;
    vector<int> d(n, -1);
    for (int i = 0; i < n; i++) {
        tr.push_back(i);
        int x = Ask(tr);
        if (x != pre) {
            d[i] = x - 1;
            p.push_back(i);
        }
        pre = x;
    }
    int sz = p.size();
    for (int i = 0; i < n; i++) {
        if (d[i] != -1) continue;
        int l = 0, r = sz - 1;
        while (l < r) {
            int mid = l + r >> 1;
            tr.clear();
            for (int j = l; j <= mid; j++) tr.push_back(p[j]);
            tr.push_back(i);
            int x = Ask(tr);
            if (x == mid - l + 1) r = mid;
            else l = mid + 1;
        }
        d[i] = l;
    }
    cout << "0 ";
    for (int i = 0; i < n; i++) cout << d[i] + 1 << sp;
    cout << en;
    return 0;
}

Compilation message

carnival.cpp: In function 'int main()':
carnival.cpp:41:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   41 |             int mid = l + r >> 1;
      |                       ~~^~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 336 KB Output is correct
2 Correct 7 ms 208 KB Output is correct
3 Correct 4 ms 324 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 4 ms 208 KB Output is correct
6 Correct 4 ms 208 KB Output is correct
7 Correct 7 ms 208 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 208 KB Output is correct
2 Correct 9 ms 208 KB Output is correct
3 Correct 3 ms 208 KB Output is correct
4 Correct 3 ms 324 KB Output is correct
5 Correct 6 ms 208 KB Output is correct
6 Correct 5 ms 328 KB Output is correct
7 Correct 7 ms 208 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 208 KB Output is correct
2 Correct 6 ms 464 KB Output is correct
3 Correct 7 ms 328 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 8 ms 208 KB Output is correct
6 Correct 9 ms 332 KB Output is correct
7 Correct 7 ms 208 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 3 ms 316 KB Output is correct
3 Correct 5 ms 324 KB Output is correct
4 Correct 4 ms 208 KB Output is correct
5 Correct 5 ms 452 KB Output is correct
6 Correct 7 ms 208 KB Output is correct
7 Correct 7 ms 320 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 316 KB Output is correct
2 Correct 8 ms 208 KB Output is correct
3 Correct 7 ms 208 KB Output is correct
4 Correct 5 ms 208 KB Output is correct
5 Correct 7 ms 292 KB Output is correct
6 Correct 6 ms 328 KB Output is correct
7 Correct 3 ms 208 KB Output is correct