oj.uz

Submission #795636

# Submission time Handle Problem Language Result Execution time Memory
795636 2023-07-27T11:56:27 Z SlavicG Minerals (JOI19_minerals) C++17
75 / 100
 783 ms 2396 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++ < 500) {
        vector<bool> bruh(n, true);
        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: best_order) {
        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) {
            if(pr[i] + (1 << bit) >= n) continue;
            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 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 360 KB Output is correct
2 Correct 30 ms 396 KB Output is correct
3 Correct 58 ms 476 KB Output is correct
4 Correct 128 ms 640 KB Output is correct
5 Correct 256 ms 904 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 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 13 ms 360 KB Output is correct
6 Correct 30 ms 396 KB Output is correct
7 Correct 58 ms 476 KB Output is correct
8 Correct 128 ms 640 KB Output is correct
9 Correct 256 ms 904 KB Output is correct
10 Correct 13 ms 336 KB Output is correct
11 Correct 170 ms 768 KB Output is correct
12 Correct 262 ms 976 KB Output is correct
13 Correct 253 ms 976 KB Output is correct
14 Correct 255 ms 900 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 13 ms 360 KB Output is correct
6 Correct 30 ms 396 KB Output is correct
7 Correct 58 ms 476 KB Output is correct
8 Correct 128 ms 640 KB Output is correct
9 Correct 256 ms 904 KB Output is correct
10 Correct 13 ms 336 KB Output is correct
11 Correct 170 ms 768 KB Output is correct
12 Correct 262 ms 976 KB Output is correct
13 Correct 253 ms 976 KB Output is correct
14 Correct 255 ms 900 KB Output is correct
15 Correct 748 ms 2340 KB Output is correct
16 Correct 733 ms 2344 KB Output is correct
17 Correct 735 ms 2340 KB Output is correct
18 Correct 738 ms 2192 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 13 ms 360 KB Output is correct
6 Correct 30 ms 396 KB Output is correct
7 Correct 58 ms 476 KB Output is correct
8 Correct 128 ms 640 KB Output is correct
9 Correct 256 ms 904 KB Output is correct
10 Correct 13 ms 336 KB Output is correct
11 Correct 170 ms 768 KB Output is correct
12 Correct 262 ms 976 KB Output is correct
13 Correct 253 ms 976 KB Output is correct
14 Correct 255 ms 900 KB Output is correct
15 Correct 748 ms 2340 KB Output is correct
16 Correct 733 ms 2344 KB Output is correct
17 Correct 735 ms 2340 KB Output is correct
18 Correct 738 ms 2192 KB Output is correct
19 Correct 755 ms 2396 KB Output is correct
20 Correct 762 ms 2388 KB Output is correct
21 Correct 762 ms 2388 KB Output is correct
22 Correct 756 ms 2236 KB Output is correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 13 ms 360 KB Output is correct
6 Correct 30 ms 396 KB Output is correct
7 Correct 58 ms 476 KB Output is correct
8 Correct 128 ms 640 KB Output is correct
9 Correct 256 ms 904 KB Output is correct
10 Correct 13 ms 336 KB Output is correct
11 Correct 170 ms 768 KB Output is correct
12 Correct 262 ms 976 KB Output is correct
13 Correct 253 ms 976 KB Output is correct
14 Correct 255 ms 900 KB Output is correct
15 Correct 748 ms 2340 KB Output is correct
16 Correct 733 ms 2344 KB Output is correct
17 Correct 735 ms 2340 KB Output is correct
18 Correct 738 ms 2192 KB Output is correct
19 Correct 755 ms 2396 KB Output is correct
20 Correct 762 ms 2388 KB Output is correct
21 Correct 762 ms 2388 KB Output is correct
22 Correct 756 ms 2236 KB Output is correct
23 Incorrect 783 ms 2176 KB Wrong Answer [2]
24 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 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 13 ms 360 KB Output is correct
6 Correct 30 ms 396 KB Output is correct
7 Correct 58 ms 476 KB Output is correct
8 Correct 128 ms 640 KB Output is correct
9 Correct 256 ms 904 KB Output is correct
10 Correct 13 ms 336 KB Output is correct
11 Correct 170 ms 768 KB Output is correct
12 Correct 262 ms 976 KB Output is correct
13 Correct 253 ms 976 KB Output is correct
14 Correct 255 ms 900 KB Output is correct
15 Correct 748 ms 2340 KB Output is correct
16 Correct 733 ms 2344 KB Output is correct
17 Correct 735 ms 2340 KB Output is correct
18 Correct 738 ms 2192 KB Output is correct
19 Correct 755 ms 2396 KB Output is correct
20 Correct 762 ms 2388 KB Output is correct
21 Correct 762 ms 2388 KB Output is correct
22 Correct 756 ms 2236 KB Output is correct
23 Incorrect 783 ms 2176 KB Wrong Answer [2]
24 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 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 13 ms 360 KB Output is correct
6 Correct 30 ms 396 KB Output is correct
7 Correct 58 ms 476 KB Output is correct
8 Correct 128 ms 640 KB Output is correct
9 Correct 256 ms 904 KB Output is correct
10 Correct 13 ms 336 KB Output is correct
11 Correct 170 ms 768 KB Output is correct
12 Correct 262 ms 976 KB Output is correct
13 Correct 253 ms 976 KB Output is correct
14 Correct 255 ms 900 KB Output is correct
15 Correct 748 ms 2340 KB Output is correct
16 Correct 733 ms 2344 KB Output is correct
17 Correct 735 ms 2340 KB Output is correct
18 Correct 738 ms 2192 KB Output is correct
19 Correct 755 ms 2396 KB Output is correct
20 Correct 762 ms 2388 KB Output is correct
21 Correct 762 ms 2388 KB Output is correct
22 Correct 756 ms 2236 KB Output is correct
23 Incorrect 783 ms 2176 KB Wrong Answer [2]
24 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 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 13 ms 360 KB Output is correct
6 Correct 30 ms 396 KB Output is correct
7 Correct 58 ms 476 KB Output is correct
8 Correct 128 ms 640 KB Output is correct
9 Correct 256 ms 904 KB Output is correct
10 Correct 13 ms 336 KB Output is correct
11 Correct 170 ms 768 KB Output is correct
12 Correct 262 ms 976 KB Output is correct
13 Correct 253 ms 976 KB Output is correct
14 Correct 255 ms 900 KB Output is correct
15 Correct 748 ms 2340 KB Output is correct
16 Correct 733 ms 2344 KB Output is correct
17 Correct 735 ms 2340 KB Output is correct
18 Correct 738 ms 2192 KB Output is correct
19 Correct 755 ms 2396 KB Output is correct
20 Correct 762 ms 2388 KB Output is correct
21 Correct 762 ms 2388 KB Output is correct
22 Correct 756 ms 2236 KB Output is correct
23 Incorrect 783 ms 2176 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -