oj.uz

Submission #796588

# Submission time Handle Problem Language Result Execution time Memory
796588 2023-07-28T14:26:52 Z SlavicG Minerals (JOI19_minerals) C++17
80 / 100
 71 ms 6420 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;
map<int, int> paired;
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);
            paired[b[0].first] = 1;
        }
        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(second_half, right);
    rec(first_half, left);
}
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;
        if(sz(p1) == n) {
            for(int j = 0; j < sz(bulanea); ++j) {
                if(bulanea[j] == i) {
                    for(int f = j + 1; f < sz(bulanea); ++f) {
                        p2.push_back(bulanea[f]);
                    }
                    break;
                }
            }
            break;
        }
    }
    assert(sz(p1) == n && sz(p2) == n);
    vector<pair<int, int>> b;
    int paiu = p2.back();
    p2.pop_back();
    for(auto x: p1) b.push_back({x, 1});
    rec(p2, b);
    for(auto x: p1) {
        if(!paired[x]) {
            Answer(paiu, x);
        }
    }
}
/*
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 0 ms 208 KB Output is correct
3 Correct 1 ms 336 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 464 KB Output is correct
2 Correct 3 ms 580 KB Output is correct
3 Correct 4 ms 848 KB Output is correct
4 Correct 11 ms 1488 KB Output is correct
5 Correct 21 ms 2512 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 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 3 ms 580 KB Output is correct
7 Correct 4 ms 848 KB Output is correct
8 Correct 11 ms 1488 KB Output is correct
9 Correct 21 ms 2512 KB Output is correct
10 Correct 2 ms 464 KB Output is correct
11 Correct 13 ms 1880 KB Output is correct
12 Correct 18 ms 2512 KB Output is correct
13 Correct 16 ms 2520 KB Output is correct
14 Correct 16 ms 2428 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 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 3 ms 580 KB Output is correct
7 Correct 4 ms 848 KB Output is correct
8 Correct 11 ms 1488 KB Output is correct
9 Correct 21 ms 2512 KB Output is correct
10 Correct 2 ms 464 KB Output is correct
11 Correct 13 ms 1880 KB Output is correct
12 Correct 18 ms 2512 KB Output is correct
13 Correct 16 ms 2520 KB Output is correct
14 Correct 16 ms 2428 KB Output is correct
15 Correct 49 ms 6156 KB Output is correct
16 Correct 47 ms 6148 KB Output is correct
17 Correct 47 ms 6212 KB Output is correct
18 Correct 56 ms 5928 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 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 3 ms 580 KB Output is correct
7 Correct 4 ms 848 KB Output is correct
8 Correct 11 ms 1488 KB Output is correct
9 Correct 21 ms 2512 KB Output is correct
10 Correct 2 ms 464 KB Output is correct
11 Correct 13 ms 1880 KB Output is correct
12 Correct 18 ms 2512 KB Output is correct
13 Correct 16 ms 2520 KB Output is correct
14 Correct 16 ms 2428 KB Output is correct
15 Correct 49 ms 6156 KB Output is correct
16 Correct 47 ms 6148 KB Output is correct
17 Correct 47 ms 6212 KB Output is correct
18 Correct 56 ms 5928 KB Output is correct
19 Correct 49 ms 6328 KB Output is correct
20 Correct 49 ms 6316 KB Output is correct
21 Correct 60 ms 6344 KB Output is correct
22 Correct 50 ms 6080 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 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 3 ms 580 KB Output is correct
7 Correct 4 ms 848 KB Output is correct
8 Correct 11 ms 1488 KB Output is correct
9 Correct 21 ms 2512 KB Output is correct
10 Correct 2 ms 464 KB Output is correct
11 Correct 13 ms 1880 KB Output is correct
12 Correct 18 ms 2512 KB Output is correct
13 Correct 16 ms 2520 KB Output is correct
14 Correct 16 ms 2428 KB Output is correct
15 Correct 49 ms 6156 KB Output is correct
16 Correct 47 ms 6148 KB Output is correct
17 Correct 47 ms 6212 KB Output is correct
18 Correct 56 ms 5928 KB Output is correct
19 Correct 49 ms 6328 KB Output is correct
20 Correct 49 ms 6316 KB Output is correct
21 Correct 60 ms 6344 KB Output is correct
22 Correct 50 ms 6080 KB Output is correct
23 Correct 52 ms 6392 KB Output is correct
24 Correct 55 ms 6404 KB Output is correct
25 Correct 56 ms 6420 KB Output is correct
26 Correct 71 ms 6228 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 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 3 ms 580 KB Output is correct
7 Correct 4 ms 848 KB Output is correct
8 Correct 11 ms 1488 KB Output is correct
9 Correct 21 ms 2512 KB Output is correct
10 Correct 2 ms 464 KB Output is correct
11 Correct 13 ms 1880 KB Output is correct
12 Correct 18 ms 2512 KB Output is correct
13 Correct 16 ms 2520 KB Output is correct
14 Correct 16 ms 2428 KB Output is correct
15 Correct 49 ms 6156 KB Output is correct
16 Correct 47 ms 6148 KB Output is correct
17 Correct 47 ms 6212 KB Output is correct
18 Correct 56 ms 5928 KB Output is correct
19 Correct 49 ms 6328 KB Output is correct
20 Correct 49 ms 6316 KB Output is correct
21 Correct 60 ms 6344 KB Output is correct
22 Correct 50 ms 6080 KB Output is correct
23 Correct 52 ms 6392 KB Output is correct
24 Correct 55 ms 6404 KB Output is correct
25 Correct 56 ms 6420 KB Output is correct
26 Correct 71 ms 6228 KB Output is correct
27 Incorrect 59 ms 6420 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 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 3 ms 580 KB Output is correct
7 Correct 4 ms 848 KB Output is correct
8 Correct 11 ms 1488 KB Output is correct
9 Correct 21 ms 2512 KB Output is correct
10 Correct 2 ms 464 KB Output is correct
11 Correct 13 ms 1880 KB Output is correct
12 Correct 18 ms 2512 KB Output is correct
13 Correct 16 ms 2520 KB Output is correct
14 Correct 16 ms 2428 KB Output is correct
15 Correct 49 ms 6156 KB Output is correct
16 Correct 47 ms 6148 KB Output is correct
17 Correct 47 ms 6212 KB Output is correct
18 Correct 56 ms 5928 KB Output is correct
19 Correct 49 ms 6328 KB Output is correct
20 Correct 49 ms 6316 KB Output is correct
21 Correct 60 ms 6344 KB Output is correct
22 Correct 50 ms 6080 KB Output is correct
23 Correct 52 ms 6392 KB Output is correct
24 Correct 55 ms 6404 KB Output is correct
25 Correct 56 ms 6420 KB Output is correct
26 Correct 71 ms 6228 KB Output is correct
27 Incorrect 59 ms 6420 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 0 ms 208 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 3 ms 580 KB Output is correct
7 Correct 4 ms 848 KB Output is correct
8 Correct 11 ms 1488 KB Output is correct
9 Correct 21 ms 2512 KB Output is correct
10 Correct 2 ms 464 KB Output is correct
11 Correct 13 ms 1880 KB Output is correct
12 Correct 18 ms 2512 KB Output is correct
13 Correct 16 ms 2520 KB Output is correct
14 Correct 16 ms 2428 KB Output is correct
15 Correct 49 ms 6156 KB Output is correct
16 Correct 47 ms 6148 KB Output is correct
17 Correct 47 ms 6212 KB Output is correct
18 Correct 56 ms 5928 KB Output is correct
19 Correct 49 ms 6328 KB Output is correct
20 Correct 49 ms 6316 KB Output is correct
21 Correct 60 ms 6344 KB Output is correct
22 Correct 50 ms 6080 KB Output is correct
23 Correct 52 ms 6392 KB Output is correct
24 Correct 55 ms 6404 KB Output is correct
25 Correct 56 ms 6420 KB Output is correct
26 Correct 71 ms 6228 KB Output is correct
27 Incorrect 59 ms 6420 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -