oj.uz

Submission #795472

# Submission time Handle Problem Language Result Execution time Memory
795472 2023-07-27T10:12:44 Z SlavicG Minerals (JOI19_minerals) C++17
70 / 100
 27 ms 2380 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);
    for(int bit = 0; (1 << bit) < n; ++bit) {
        for(int i = 0; i < n; ++i) {
            if(i >> bit & 1) {
                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; ++i) {
            int ans = Query(p2[i]);
            if(ans == prevans) {
                pr[i] += (1 << bit);
            }
            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 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 1 ms 208 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 2 ms 336 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 4 ms 720 KB Output is correct
5 Correct 8 ms 936 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 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 720 KB Output is correct
9 Correct 8 ms 936 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 848 KB Output is correct
12 Correct 7 ms 976 KB Output is correct
13 Correct 7 ms 1000 KB Output is correct
14 Correct 9 ms 976 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 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 720 KB Output is correct
9 Correct 8 ms 936 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 848 KB Output is correct
12 Correct 7 ms 976 KB Output is correct
13 Correct 7 ms 1000 KB Output is correct
14 Correct 9 ms 976 KB Output is correct
15 Correct 27 ms 2380 KB Output is correct
16 Correct 26 ms 2364 KB Output is correct
17 Correct 21 ms 2348 KB Output is correct
18 Correct 20 ms 2216 KB Output is correct

Subtask #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 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 720 KB Output is correct
9 Correct 8 ms 936 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 848 KB Output is correct
12 Correct 7 ms 976 KB Output is correct
13 Correct 7 ms 1000 KB Output is correct
14 Correct 9 ms 976 KB Output is correct
15 Correct 27 ms 2380 KB Output is correct
16 Correct 26 ms 2364 KB Output is correct
17 Correct 21 ms 2348 KB Output is correct
18 Correct 20 ms 2216 KB Output is correct
19 Incorrect 22 ms 2132 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -

Subtask #6
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 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 720 KB Output is correct
9 Correct 8 ms 936 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 848 KB Output is correct
12 Correct 7 ms 976 KB Output is correct
13 Correct 7 ms 1000 KB Output is correct
14 Correct 9 ms 976 KB Output is correct
15 Correct 27 ms 2380 KB Output is correct
16 Correct 26 ms 2364 KB Output is correct
17 Correct 21 ms 2348 KB Output is correct
18 Correct 20 ms 2216 KB Output is correct
19 Incorrect 22 ms 2132 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -

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 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 720 KB Output is correct
9 Correct 8 ms 936 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 848 KB Output is correct
12 Correct 7 ms 976 KB Output is correct
13 Correct 7 ms 1000 KB Output is correct
14 Correct 9 ms 976 KB Output is correct
15 Correct 27 ms 2380 KB Output is correct
16 Correct 26 ms 2364 KB Output is correct
17 Correct 21 ms 2348 KB Output is correct
18 Correct 20 ms 2216 KB Output is correct
19 Incorrect 22 ms 2132 KB Wrong Answer [2]
20 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 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 720 KB Output is correct
9 Correct 8 ms 936 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 848 KB Output is correct
12 Correct 7 ms 976 KB Output is correct
13 Correct 7 ms 1000 KB Output is correct
14 Correct 9 ms 976 KB Output is correct
15 Correct 27 ms 2380 KB Output is correct
16 Correct 26 ms 2364 KB Output is correct
17 Correct 21 ms 2348 KB Output is correct
18 Correct 20 ms 2216 KB Output is correct
19 Incorrect 22 ms 2132 KB Wrong Answer [2]
20 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 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 4 ms 720 KB Output is correct
9 Correct 8 ms 936 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 5 ms 848 KB Output is correct
12 Correct 7 ms 976 KB Output is correct
13 Correct 7 ms 1000 KB Output is correct
14 Correct 9 ms 976 KB Output is correct
15 Correct 27 ms 2380 KB Output is correct
16 Correct 26 ms 2364 KB Output is correct
17 Correct 21 ms 2348 KB Output is correct
18 Correct 20 ms 2216 KB Output is correct
19 Incorrect 22 ms 2132 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -