oj.uz

Submission #795622

# Submission time Handle Problem Language Result Execution time Memory
795622 2023-07-27T11:48:54 Z SlavicG Minerals (JOI19_minerals) C++17
40 / 100
 1000 ms 2340 KB 
#include <bits/stdc++.h>
#include "minerals.h"
using namespace std;
 
mt19937 rng(69);
void Solve(int n) {
    vector<int> p1, p2;
    int ans = 0, prevans = -1;
    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(p1.size() == n && p2.size() == n);
    vector<int> pr(n, 0);
    int IN = 1;
    vector<bool> bagat(n, 1);
    vector<int> bit_order;
    vector<int> best_order; int mn = INT_MAX;
    for(int bit = 0; (1 << bit) < n; ++bit) {
        bit_order.push_back(bit);
    }
    int f = 0;
    while(f++ < 1000) {
        vector<bool> bruh(n, false);
        int cost = 0;
        for(int b: bit_order) {
            for(int i = 0; i < n; ++i) {
                if(i >> b & 1) {
                    if(!bruh[i]) ++cost;
                    bruh[i] = 1;
                } else {
                    if(bruh[i]) ++cost;
                    bruh[i] = 0;
                }
            }
        }
        if(cost < mn) {
            mn = cost;
            best_order = bit_order;
        }
        shuffle(bit_order.begin(), bit_order.end(), rng);
    }
    for(int bit = 0; (1 << bit) < n; ++bit) {
        int cntt = 0;
        for(int i = 0; i < n; ++i) {
            if(i >> bit & 1) {
                ++cntt;
                if(!bagat[i]) prevans = Query(p1[i]);
                bagat[i] = 1;
            } else {
                if(bagat[i]) prevans = Query(p1[i]);
                bagat[i] = 0;
            }
        }
        for(int i = 0; i < n && cntt; ++i) {
            int ans = Query(p2[i]);
            if(ans == prevans) {
                pr[i] += (1 << bit);
                --cntt;
            }
            prevans = ans;
        }
        IN ^= 1;
    }
    for(int i = 0; i < n; ++i) {
        Answer(p2[i], p1[pr[i]]);
    }
}
/*
4
1 5
2 6
3 4
7 8
*/

Compilation message

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from minerals.cpp:1:
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:21:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   21 |     assert(p1.size() == n && p2.size() == n);
      |            ~~~~~~~~~~^~~~
minerals.cpp:21:40: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   21 |     assert(p1.size() == n && p2.size() == n);
      |                              ~~~~~~~~~~^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 2 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 336 KB Output is correct
2 Correct 53 ms 400 KB Output is correct
3 Correct 118 ms 472 KB Output is correct
4 Correct 248 ms 640 KB Output is correct
5 Correct 500 ms 968 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 24 ms 336 KB Output is correct
6 Correct 53 ms 400 KB Output is correct
7 Correct 118 ms 472 KB Output is correct
8 Correct 248 ms 640 KB Output is correct
9 Correct 500 ms 968 KB Output is correct
10 Correct 24 ms 336 KB Output is correct
11 Correct 336 ms 756 KB Output is correct
12 Correct 503 ms 952 KB Output is correct
13 Correct 503 ms 952 KB Output is correct
14 Correct 501 ms 896 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 24 ms 336 KB Output is correct
6 Correct 53 ms 400 KB Output is correct
7 Correct 118 ms 472 KB Output is correct
8 Correct 248 ms 640 KB Output is correct
9 Correct 500 ms 968 KB Output is correct
10 Correct 24 ms 336 KB Output is correct
11 Correct 336 ms 756 KB Output is correct
12 Correct 503 ms 952 KB Output is correct
13 Correct 503 ms 952 KB Output is correct
14 Correct 501 ms 896 KB Output is correct
15 Execution timed out 1442 ms 2340 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 24 ms 336 KB Output is correct
6 Correct 53 ms 400 KB Output is correct
7 Correct 118 ms 472 KB Output is correct
8 Correct 248 ms 640 KB Output is correct
9 Correct 500 ms 968 KB Output is correct
10 Correct 24 ms 336 KB Output is correct
11 Correct 336 ms 756 KB Output is correct
12 Correct 503 ms 952 KB Output is correct
13 Correct 503 ms 952 KB Output is correct
14 Correct 501 ms 896 KB Output is correct
15 Execution timed out 1442 ms 2340 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 24 ms 336 KB Output is correct
6 Correct 53 ms 400 KB Output is correct
7 Correct 118 ms 472 KB Output is correct
8 Correct 248 ms 640 KB Output is correct
9 Correct 500 ms 968 KB Output is correct
10 Correct 24 ms 336 KB Output is correct
11 Correct 336 ms 756 KB Output is correct
12 Correct 503 ms 952 KB Output is correct
13 Correct 503 ms 952 KB Output is correct
14 Correct 501 ms 896 KB Output is correct
15 Execution timed out 1442 ms 2340 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 24 ms 336 KB Output is correct
6 Correct 53 ms 400 KB Output is correct
7 Correct 118 ms 472 KB Output is correct
8 Correct 248 ms 640 KB Output is correct
9 Correct 500 ms 968 KB Output is correct
10 Correct 24 ms 336 KB Output is correct
11 Correct 336 ms 756 KB Output is correct
12 Correct 503 ms 952 KB Output is correct
13 Correct 503 ms 952 KB Output is correct
14 Correct 501 ms 896 KB Output is correct
15 Execution timed out 1442 ms 2340 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 24 ms 336 KB Output is correct
6 Correct 53 ms 400 KB Output is correct
7 Correct 118 ms 472 KB Output is correct
8 Correct 248 ms 640 KB Output is correct
9 Correct 500 ms 968 KB Output is correct
10 Correct 24 ms 336 KB Output is correct
11 Correct 336 ms 756 KB Output is correct
12 Correct 503 ms 952 KB Output is correct
13 Correct 503 ms 952 KB Output is correct
14 Correct 501 ms 896 KB Output is correct
15 Execution timed out 1442 ms 2340 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 2 ms 208 KB Output is correct
5 Correct 24 ms 336 KB Output is correct
6 Correct 53 ms 400 KB Output is correct
7 Correct 118 ms 472 KB Output is correct
8 Correct 248 ms 640 KB Output is correct
9 Correct 500 ms 968 KB Output is correct
10 Correct 24 ms 336 KB Output is correct
11 Correct 336 ms 756 KB Output is correct
12 Correct 503 ms 952 KB Output is correct
13 Correct 503 ms 952 KB Output is correct
14 Correct 501 ms 896 KB Output is correct
15 Execution timed out 1442 ms 2340 KB Time limit exceeded
16 Halted 0 ms 0 KB -