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Submission #886803

# Submission time Handle Problem Language Result Execution time Memory
886803 2023-12-13T01:57:53 Z box Super Dango Maker (JOI22_dango3) C++17
100 / 100
 133 ms 860 KB 
#include <bits/stdc++.h>
using namespace std;

#define sz(v) int(std::size(v))

#include "dango3.h"

vector<int> operator+(vector<int> one, const vector<int> two) {
    one.insert(end(one), begin(two), end(two));
    return one;
}

void Solve(int n, int m) {
    vector<int> v(n * m);
    iota(begin(v), end(v), 1);
    mt19937 rng(1234);
    for (int rep = 0; rep < m; rep++) {
        for (int i = 0; i < sz(v); i++) swap(v[i], v[rng() % (i + 1)]);
        int low = n, hi = sz(v);
        while (low < hi) {
            int mid = (low + hi) / 2;
            if (Query(vector(begin(v), begin(v) + mid))) hi = mid;
            else low = mid + 1;
        }
        vector<int> one, two;
        for (int i = low - 1; i >= 0; i--) {
            if (Query(vector(begin(v), begin(v) + i) + one)) two.push_back(v[i]);
            else one.push_back(v[i]);
        }
        Answer(one);
        v = two + vector(begin(v) + low, end(v));
    }
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 448 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 4 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 648 KB Output is correct
2 Correct 28 ms 860 KB Output is correct
3 Correct 26 ms 604 KB Output is correct
4 Correct 23 ms 856 KB Output is correct
5 Correct 27 ms 600 KB Output is correct
6 Correct 37 ms 604 KB Output is correct

Subtask #4
78.0 / 78.0

# Verdict Execution time Memory Grader output
1 Correct 105 ms 740 KB Output is correct
2 Correct 105 ms 860 KB Output is correct
3 Correct 103 ms 748 KB Output is correct
4 Correct 124 ms 600 KB Output is correct
5 Correct 97 ms 764 KB Output is correct
6 Correct 133 ms 744 KB Output is correct