oj.uz

Submission #907325

# Submission time Handle Problem Language Result Execution time Memory
907325 2024-01-15T11:34:37 Z lighton Minerals (JOI19_minerals) C++17
40 / 100
 19 ms 2408 KB 
#include "minerals.h"
#include <bits/stdc++.h>
#define forf(i,a,b) for(int i = a; i<=b; i++)
using namespace std;
int N,M;
vector<int> pre,sec;
vector<int> match;
void dnc(int s, int e , vector<int> v){
    if(s==e){
        for(int i : v) match[i] = sec[s];
        return;
    }
    int m = s+e>>1;
    int now = 0;
    forf(i,s,m){ now = Query(sec[i]); }
    vector<int> v1,v2;
    for(int i : v){
        int prv = now;
        now = Query(pre[i]);
        if(now == prv) v1.push_back(i);
        else v2.push_back(i);
        now = Query(pre[i]);
    }
    forf(i,s,m){ now = Query(sec[i]); }
    dnc(s,m,v1);
    dnc(m+1,e,v2);
}

void Solve(int N) {
    int now = 0;
    forf(i,1,2*N){
        int prv = now;
        now = Query(i);
        if(now == prv+1) pre.push_back(i);
        else sec.push_back(i);
    }
    assert(pre.size() == N);
    match.resize(N);
    forf(i,1,2*N){int tmp = Query(i);}

    vector<int> v; forf(i,0,N-1) v.push_back(i);
    dnc(0,N-1,v);

    forf(i,0,N-1) Answer(pre[i],match[i]);
}

Compilation message

minerals.cpp: In function 'void dnc(int, int, std::vector<int>)':
minerals.cpp:13:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   13 |     int m = s+e>>1;
      |             ~^~
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:2:
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:37:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |     assert(pre.size() == N);
      |            ~~~~~~~~~~~^~~~
minerals.cpp:39:23: warning: unused variable 'tmp' [-Wunused-variable]
   39 |     forf(i,1,2*N){int tmp = Query(i);}
      |                       ^~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 340 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 3 ms 600 KB Output is correct
4 Correct 5 ms 756 KB Output is correct
5 Correct 12 ms 1112 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 600 KB Output is correct
8 Correct 5 ms 756 KB Output is correct
9 Correct 12 ms 1112 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1036 KB Output is correct
12 Correct 10 ms 1324 KB Output is correct
13 Correct 8 ms 1368 KB Output is correct
14 Correct 8 ms 1236 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 600 KB Output is correct
8 Correct 5 ms 756 KB Output is correct
9 Correct 12 ms 1112 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1036 KB Output is correct
12 Correct 10 ms 1324 KB Output is correct
13 Correct 8 ms 1368 KB Output is correct
14 Correct 8 ms 1236 KB Output is correct
15 Incorrect 19 ms 2408 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 600 KB Output is correct
8 Correct 5 ms 756 KB Output is correct
9 Correct 12 ms 1112 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1036 KB Output is correct
12 Correct 10 ms 1324 KB Output is correct
13 Correct 8 ms 1368 KB Output is correct
14 Correct 8 ms 1236 KB Output is correct
15 Incorrect 19 ms 2408 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 600 KB Output is correct
8 Correct 5 ms 756 KB Output is correct
9 Correct 12 ms 1112 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1036 KB Output is correct
12 Correct 10 ms 1324 KB Output is correct
13 Correct 8 ms 1368 KB Output is correct
14 Correct 8 ms 1236 KB Output is correct
15 Incorrect 19 ms 2408 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 600 KB Output is correct
8 Correct 5 ms 756 KB Output is correct
9 Correct 12 ms 1112 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1036 KB Output is correct
12 Correct 10 ms 1324 KB Output is correct
13 Correct 8 ms 1368 KB Output is correct
14 Correct 8 ms 1236 KB Output is correct
15 Incorrect 19 ms 2408 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 600 KB Output is correct
8 Correct 5 ms 756 KB Output is correct
9 Correct 12 ms 1112 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1036 KB Output is correct
12 Correct 10 ms 1324 KB Output is correct
13 Correct 8 ms 1368 KB Output is correct
14 Correct 8 ms 1236 KB Output is correct
15 Incorrect 19 ms 2408 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 3 ms 600 KB Output is correct
8 Correct 5 ms 756 KB Output is correct
9 Correct 12 ms 1112 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1036 KB Output is correct
12 Correct 10 ms 1324 KB Output is correct
13 Correct 8 ms 1368 KB Output is correct
14 Correct 8 ms 1236 KB Output is correct
15 Incorrect 19 ms 2408 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -