oj.uz

Submission #796575

# Submission time Handle Problem Language Result Execution time Memory
796575 2023-07-28T14:10:59 Z SlavicG Minerals (JOI19_minerals) C++17
80 / 100
 42 ms 4720 KB 
#include <bits/stdc++.h>
#include "minerals.h"
using namespace std;
 
#define sz(a) (int)a.size()
mt19937 rng(69);
//b - valoarea elementului, stateul (aprins/stins)
int ans = 0, prevans = -1;
void rec(vector<int> a, vector<pair<int, int>> b) {
    if(b.empty() || a.empty()) return;
    if(sz(b) == 1) {
        for(auto x: a) Answer(x, b[0].first);
        return;
    }
    int mid = sz(b) / 2;
    vector<pair<int, int>> left, right;
    for(int i = 0; i < sz(b); ++i) {
        if(i < mid) left.push_back(b[i]);
        else right.push_back(b[i]);
    }
    for(auto& x: left) {
        if(!x.second) {
            prevans = Query(x.first);
            x.second = 1;
        }
    }
    for(auto& x: right) {
        if(x.second) {
            prevans = Query(x.first);
            x.second = 0;
        }
    }
    vector<int> first_half, second_half;
    for(auto x: a) {
        int ans = Query(x);
        if(ans == prevans) {
            first_half.push_back(x);
        } else {
            second_half.push_back(x);
        }
        prevans = ans;
    }
    rec(first_half, left);
    rec(second_half, right);
}
void Solve(int n) {
    vector<int> p1, p2;
    vector<int> bulanea(2 * n);
    iota(bulanea.begin(), bulanea.end(), 1);
    shuffle(bulanea.begin(), bulanea.end(), rng);
    for(int i: bulanea) {
        ans = Query(i);
        if(ans == prevans) {
            p2.push_back(i);
        } else {
            p1.push_back(i);
        }
        prevans = ans;
    }
    assert(sz(p1) == n && sz(p2) == n);
    vector<pair<int, int>> b;
    for(auto x: p1) b.push_back({x, 1});
    rec(p2, b);
}
/*
4
1 5
2 6
3 4
7 8
*/
// g++ -Wall -lm -static -DEVAL -o minerals -O2 minerals.cpp grader.cpp -std=c++17

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 2 ms 464 KB Output is correct
3 Correct 3 ms 716 KB Output is correct
4 Correct 6 ms 1108 KB Output is correct
5 Correct 12 ms 1812 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 716 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 12 ms 1812 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 1360 KB Output is correct
12 Correct 11 ms 1872 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 11 ms 1744 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 716 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 12 ms 1812 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 1360 KB Output is correct
12 Correct 11 ms 1872 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 11 ms 1744 KB Output is correct
15 Correct 32 ms 4336 KB Output is correct
16 Correct 31 ms 4416 KB Output is correct
17 Correct 36 ms 4420 KB Output is correct
18 Correct 33 ms 4264 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 716 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 12 ms 1812 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 1360 KB Output is correct
12 Correct 11 ms 1872 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 11 ms 1744 KB Output is correct
15 Correct 32 ms 4336 KB Output is correct
16 Correct 31 ms 4416 KB Output is correct
17 Correct 36 ms 4420 KB Output is correct
18 Correct 33 ms 4264 KB Output is correct
19 Correct 35 ms 4432 KB Output is correct
20 Correct 34 ms 4468 KB Output is correct
21 Correct 32 ms 4504 KB Output is correct
22 Correct 35 ms 4412 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 716 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 12 ms 1812 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 1360 KB Output is correct
12 Correct 11 ms 1872 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 11 ms 1744 KB Output is correct
15 Correct 32 ms 4336 KB Output is correct
16 Correct 31 ms 4416 KB Output is correct
17 Correct 36 ms 4420 KB Output is correct
18 Correct 33 ms 4264 KB Output is correct
19 Correct 35 ms 4432 KB Output is correct
20 Correct 34 ms 4468 KB Output is correct
21 Correct 32 ms 4504 KB Output is correct
22 Correct 35 ms 4412 KB Output is correct
23 Correct 42 ms 4596 KB Output is correct
24 Correct 34 ms 4720 KB Output is correct
25 Correct 40 ms 4528 KB Output is correct
26 Correct 34 ms 4380 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 716 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 12 ms 1812 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 1360 KB Output is correct
12 Correct 11 ms 1872 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 11 ms 1744 KB Output is correct
15 Correct 32 ms 4336 KB Output is correct
16 Correct 31 ms 4416 KB Output is correct
17 Correct 36 ms 4420 KB Output is correct
18 Correct 33 ms 4264 KB Output is correct
19 Correct 35 ms 4432 KB Output is correct
20 Correct 34 ms 4468 KB Output is correct
21 Correct 32 ms 4504 KB Output is correct
22 Correct 35 ms 4412 KB Output is correct
23 Correct 42 ms 4596 KB Output is correct
24 Correct 34 ms 4720 KB Output is correct
25 Correct 40 ms 4528 KB Output is correct
26 Correct 34 ms 4380 KB Output is correct
27 Incorrect 34 ms 4680 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 716 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 12 ms 1812 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 1360 KB Output is correct
12 Correct 11 ms 1872 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 11 ms 1744 KB Output is correct
15 Correct 32 ms 4336 KB Output is correct
16 Correct 31 ms 4416 KB Output is correct
17 Correct 36 ms 4420 KB Output is correct
18 Correct 33 ms 4264 KB Output is correct
19 Correct 35 ms 4432 KB Output is correct
20 Correct 34 ms 4468 KB Output is correct
21 Correct 32 ms 4504 KB Output is correct
22 Correct 35 ms 4412 KB Output is correct
23 Correct 42 ms 4596 KB Output is correct
24 Correct 34 ms 4720 KB Output is correct
25 Correct 40 ms 4528 KB Output is correct
26 Correct 34 ms 4380 KB Output is correct
27 Incorrect 34 ms 4680 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 716 KB Output is correct
8 Correct 6 ms 1108 KB Output is correct
9 Correct 12 ms 1812 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 1360 KB Output is correct
12 Correct 11 ms 1872 KB Output is correct
13 Correct 11 ms 1876 KB Output is correct
14 Correct 11 ms 1744 KB Output is correct
15 Correct 32 ms 4336 KB Output is correct
16 Correct 31 ms 4416 KB Output is correct
17 Correct 36 ms 4420 KB Output is correct
18 Correct 33 ms 4264 KB Output is correct
19 Correct 35 ms 4432 KB Output is correct
20 Correct 34 ms 4468 KB Output is correct
21 Correct 32 ms 4504 KB Output is correct
22 Correct 35 ms 4412 KB Output is correct
23 Correct 42 ms 4596 KB Output is correct
24 Correct 34 ms 4720 KB Output is correct
25 Correct 40 ms 4528 KB Output is correct
26 Correct 34 ms 4380 KB Output is correct
27 Incorrect 34 ms 4680 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -