oj.uz

Submission #795601

# Submission time Handle Problem Language Result Execution time Memory
795601 2023-07-27T11:36:24 Z SlavicG Minerals (JOI19_minerals) C++17
70 / 100
 26 ms 2376 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) {
        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 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 1 ms 336 KB Output is correct
3 Correct 2 ms 464 KB Output is correct
4 Correct 3 ms 720 KB Output is correct
5 Correct 8 ms 912 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 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 3 ms 720 KB Output is correct
9 Correct 8 ms 912 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 848 KB Output is correct
12 Correct 7 ms 1024 KB Output is correct
13 Correct 7 ms 976 KB Output is correct
14 Correct 6 ms 1028 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 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 3 ms 720 KB Output is correct
9 Correct 8 ms 912 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 848 KB Output is correct
12 Correct 7 ms 1024 KB Output is correct
13 Correct 7 ms 976 KB Output is correct
14 Correct 6 ms 1028 KB Output is correct
15 Correct 21 ms 2356 KB Output is correct
16 Correct 22 ms 2376 KB Output is correct
17 Correct 22 ms 2304 KB Output is correct
18 Correct 20 ms 2204 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 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 3 ms 720 KB Output is correct
9 Correct 8 ms 912 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 848 KB Output is correct
12 Correct 7 ms 1024 KB Output is correct
13 Correct 7 ms 976 KB Output is correct
14 Correct 6 ms 1028 KB Output is correct
15 Correct 21 ms 2356 KB Output is correct
16 Correct 22 ms 2376 KB Output is correct
17 Correct 22 ms 2304 KB Output is correct
18 Correct 20 ms 2204 KB Output is correct
19 Incorrect 26 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 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 3 ms 720 KB Output is correct
9 Correct 8 ms 912 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 848 KB Output is correct
12 Correct 7 ms 1024 KB Output is correct
13 Correct 7 ms 976 KB Output is correct
14 Correct 6 ms 1028 KB Output is correct
15 Correct 21 ms 2356 KB Output is correct
16 Correct 22 ms 2376 KB Output is correct
17 Correct 22 ms 2304 KB Output is correct
18 Correct 20 ms 2204 KB Output is correct
19 Incorrect 26 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 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 3 ms 720 KB Output is correct
9 Correct 8 ms 912 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 848 KB Output is correct
12 Correct 7 ms 1024 KB Output is correct
13 Correct 7 ms 976 KB Output is correct
14 Correct 6 ms 1028 KB Output is correct
15 Correct 21 ms 2356 KB Output is correct
16 Correct 22 ms 2376 KB Output is correct
17 Correct 22 ms 2304 KB Output is correct
18 Correct 20 ms 2204 KB Output is correct
19 Incorrect 26 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 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 3 ms 720 KB Output is correct
9 Correct 8 ms 912 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 848 KB Output is correct
12 Correct 7 ms 1024 KB Output is correct
13 Correct 7 ms 976 KB Output is correct
14 Correct 6 ms 1028 KB Output is correct
15 Correct 21 ms 2356 KB Output is correct
16 Correct 22 ms 2376 KB Output is correct
17 Correct 22 ms 2304 KB Output is correct
18 Correct 20 ms 2204 KB Output is correct
19 Incorrect 26 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 0 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 3 ms 720 KB Output is correct
9 Correct 8 ms 912 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 4 ms 848 KB Output is correct
12 Correct 7 ms 1024 KB Output is correct
13 Correct 7 ms 976 KB Output is correct
14 Correct 6 ms 1028 KB Output is correct
15 Correct 21 ms 2356 KB Output is correct
16 Correct 22 ms 2376 KB Output is correct
17 Correct 22 ms 2304 KB Output is correct
18 Correct 20 ms 2204 KB Output is correct
19 Incorrect 26 ms 2132 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -