oj.uz

Submission #707776

# Submission time Handle Problem Language Result Execution time Memory
707776 2023-03-10T06:02:06 Z victor_gao Minerals (JOI19_minerals) C++17
40 / 100
 22 ms 2260 KB 
#include"minerals.h"
#include<bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<int>arr;
void Merge(int l,int r,vector<int>have){
    if (l==r){
     //   cout<<"match "<<arr[l-1]<<" "<<have[0]<<'\n';
        Answer(arr[l-1],have[0]);
        return;
    }
    int mid=(l+r)>>1,last;
    vector<int>L,R;
    for (int i=l-1;i<mid;i++)
        last=Query(arr[i]);
    for (auto i:have){
        int now=Query(i);
        if (now==last)
            L.push_back(i);
        else R.push_back(i);
        Query(i);
    }
    Merge(mid+1,r,R);
    for (int i=l-1;i<mid;i++)
        Query(arr[i]);
    Merge(l,mid,L);
}
void Solve(int N){
    vector<int>qry;
    int last=-1;
    for (int i=1;i<=2*N;i++){
        int now=Query(i);
        if (now==last){
            Query(i);
            qry.push_back(i);
        }
        else {
            arr.push_back(i);
            last=now;
        }
    }
    for (int i=1;i<=N;i++)
        Query(arr[i-1]);
    //for (auto i:arr) cout<<i<<" ";
    //cout<<'\n';
    //for (auto i:qry) cout<<i<<" ";
    //cout<<'\n';
    Merge(1,N,qry);
}
/*
g++ -std=gnu++14 -O2 -o grader grader.cpp minerals.cpp
./grader.exe
4
1 5
2 6
3 4
7 8
*/

Compilation message

minerals.cpp: In function 'void Merge(int, int, std::vector<int>)':
minerals.cpp:18:9: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized]
   18 |         if (now==last)
      |         ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 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 2 ms 336 KB Output is correct
3 Correct 4 ms 436 KB Output is correct
4 Correct 7 ms 720 KB Output is correct
5 Correct 13 ms 976 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 0 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 2 ms 336 KB Output is correct
7 Correct 4 ms 436 KB Output is correct
8 Correct 7 ms 720 KB Output is correct
9 Correct 13 ms 976 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 904 KB Output is correct
12 Correct 13 ms 1112 KB Output is correct
13 Correct 12 ms 1088 KB Output is correct
14 Correct 12 ms 1008 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 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 2 ms 336 KB Output is correct
7 Correct 4 ms 436 KB Output is correct
8 Correct 7 ms 720 KB Output is correct
9 Correct 13 ms 976 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 904 KB Output is correct
12 Correct 13 ms 1112 KB Output is correct
13 Correct 12 ms 1088 KB Output is correct
14 Correct 12 ms 1008 KB Output is correct
15 Incorrect 22 ms 2260 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 208 KB Output is correct
2 Correct 0 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 2 ms 336 KB Output is correct
7 Correct 4 ms 436 KB Output is correct
8 Correct 7 ms 720 KB Output is correct
9 Correct 13 ms 976 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 904 KB Output is correct
12 Correct 13 ms 1112 KB Output is correct
13 Correct 12 ms 1088 KB Output is correct
14 Correct 12 ms 1008 KB Output is correct
15 Incorrect 22 ms 2260 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 208 KB Output is correct
2 Correct 0 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 2 ms 336 KB Output is correct
7 Correct 4 ms 436 KB Output is correct
8 Correct 7 ms 720 KB Output is correct
9 Correct 13 ms 976 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 904 KB Output is correct
12 Correct 13 ms 1112 KB Output is correct
13 Correct 12 ms 1088 KB Output is correct
14 Correct 12 ms 1008 KB Output is correct
15 Incorrect 22 ms 2260 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 208 KB Output is correct
2 Correct 0 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 2 ms 336 KB Output is correct
7 Correct 4 ms 436 KB Output is correct
8 Correct 7 ms 720 KB Output is correct
9 Correct 13 ms 976 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 904 KB Output is correct
12 Correct 13 ms 1112 KB Output is correct
13 Correct 12 ms 1088 KB Output is correct
14 Correct 12 ms 1008 KB Output is correct
15 Incorrect 22 ms 2260 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 208 KB Output is correct
2 Correct 0 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 2 ms 336 KB Output is correct
7 Correct 4 ms 436 KB Output is correct
8 Correct 7 ms 720 KB Output is correct
9 Correct 13 ms 976 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 904 KB Output is correct
12 Correct 13 ms 1112 KB Output is correct
13 Correct 12 ms 1088 KB Output is correct
14 Correct 12 ms 1008 KB Output is correct
15 Incorrect 22 ms 2260 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 208 KB Output is correct
2 Correct 0 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 2 ms 336 KB Output is correct
7 Correct 4 ms 436 KB Output is correct
8 Correct 7 ms 720 KB Output is correct
9 Correct 13 ms 976 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 9 ms 904 KB Output is correct
12 Correct 13 ms 1112 KB Output is correct
13 Correct 12 ms 1088 KB Output is correct
14 Correct 12 ms 1008 KB Output is correct
15 Incorrect 22 ms 2260 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -