oj.uz

Submission #707784

# Submission time Handle Problem Language Result Execution time Memory
707784 2023-03-10T06:27:55 Z victor_gao Minerals (JOI19_minerals) C++17
80 / 100
 36 ms 2712 KB 
#include"minerals.h"
#include<bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<int>arr;
bool alive[100015];
int n;
void Merge(int l,int r,vector<int>have,bool stay1,bool stay2){
    if (l==r){
        Answer(arr[l-1],have[0]);
        return;
    }
    int mid=(l+r)>>1,last;
    vector<int>L,R;
    if (!stay1){
        for (int i=l-1;i<mid;i++){
            last=Query(arr[i]);
            alive[arr[i]]^=1;
        }
    }
    else {
        for (int i=mid;i<r;i++){
            last=Query(arr[i]);
            alive[arr[i]]^=1;
        }
    }
    for (auto i:have){
        int now=Query(i);
        alive[i]^=1;
        bool ty=(now==last);
        if (ty)
            L.push_back(i);
        else R.push_back(i);
        last=now;
    }
    Merge(mid+1,r,R,0,stay2^1);
    Merge(l,mid,L,1,stay2^1);
}
void Solve(int N){
    n=N;
    vector<int>qry;
    int last=-1;
    for (int i=1;i<=2*N;i++){
        int now=Query(i);
        if (now==last){
            qry.push_back(i);
        }
        else {
            arr.push_back(i);
            last=now;
        }
        alive[i]=1;
    }
    //for (auto i:arr) cout<<i<<" ";
    //cout<<'\n';
    //for (auto i:qry) cout<<i<<" ";
    //cout<<'\n';
    Merge(1,N,qry,1,1);
}
/*
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>, bool, bool)':
minerals.cpp:31:9: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized]
   31 |         if (ty)
      |         ^~

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 1 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 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 3 ms 464 KB Output is correct
4 Correct 6 ms 628 KB Output is correct
5 Correct 11 ms 1080 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 1 ms 208 KB Output is correct
4 Correct 1 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 3 ms 464 KB Output is correct
8 Correct 6 ms 628 KB Output is correct
9 Correct 11 ms 1080 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 848 KB Output is correct
12 Correct 11 ms 1172 KB Output is correct
13 Correct 9 ms 1144 KB Output is correct
14 Correct 10 ms 1104 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 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 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 3 ms 464 KB Output is correct
8 Correct 6 ms 628 KB Output is correct
9 Correct 11 ms 1080 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 848 KB Output is correct
12 Correct 11 ms 1172 KB Output is correct
13 Correct 9 ms 1144 KB Output is correct
14 Correct 10 ms 1104 KB Output is correct
15 Correct 34 ms 2524 KB Output is correct
16 Correct 30 ms 2524 KB Output is correct
17 Correct 24 ms 2500 KB Output is correct
18 Correct 25 ms 2248 KB Output is correct

Subtask #5
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 1 ms 208 KB Output is correct
4 Correct 1 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 3 ms 464 KB Output is correct
8 Correct 6 ms 628 KB Output is correct
9 Correct 11 ms 1080 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 848 KB Output is correct
12 Correct 11 ms 1172 KB Output is correct
13 Correct 9 ms 1144 KB Output is correct
14 Correct 10 ms 1104 KB Output is correct
15 Correct 34 ms 2524 KB Output is correct
16 Correct 30 ms 2524 KB Output is correct
17 Correct 24 ms 2500 KB Output is correct
18 Correct 25 ms 2248 KB Output is correct
19 Correct 31 ms 2624 KB Output is correct
20 Correct 36 ms 2620 KB Output is correct
21 Correct 25 ms 2556 KB Output is correct
22 Correct 25 ms 2312 KB Output is correct

Subtask #6
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 1 ms 208 KB Output is correct
4 Correct 1 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 3 ms 464 KB Output is correct
8 Correct 6 ms 628 KB Output is correct
9 Correct 11 ms 1080 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 848 KB Output is correct
12 Correct 11 ms 1172 KB Output is correct
13 Correct 9 ms 1144 KB Output is correct
14 Correct 10 ms 1104 KB Output is correct
15 Correct 34 ms 2524 KB Output is correct
16 Correct 30 ms 2524 KB Output is correct
17 Correct 24 ms 2500 KB Output is correct
18 Correct 25 ms 2248 KB Output is correct
19 Correct 31 ms 2624 KB Output is correct
20 Correct 36 ms 2620 KB Output is correct
21 Correct 25 ms 2556 KB Output is correct
22 Correct 25 ms 2312 KB Output is correct
23 Correct 32 ms 2624 KB Output is correct
24 Correct 32 ms 2712 KB Output is correct
25 Correct 25 ms 2628 KB Output is correct
26 Correct 26 ms 2476 KB Output is correct

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 1 ms 208 KB Output is correct
4 Correct 1 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 3 ms 464 KB Output is correct
8 Correct 6 ms 628 KB Output is correct
9 Correct 11 ms 1080 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 848 KB Output is correct
12 Correct 11 ms 1172 KB Output is correct
13 Correct 9 ms 1144 KB Output is correct
14 Correct 10 ms 1104 KB Output is correct
15 Correct 34 ms 2524 KB Output is correct
16 Correct 30 ms 2524 KB Output is correct
17 Correct 24 ms 2500 KB Output is correct
18 Correct 25 ms 2248 KB Output is correct
19 Correct 31 ms 2624 KB Output is correct
20 Correct 36 ms 2620 KB Output is correct
21 Correct 25 ms 2556 KB Output is correct
22 Correct 25 ms 2312 KB Output is correct
23 Correct 32 ms 2624 KB Output is correct
24 Correct 32 ms 2712 KB Output is correct
25 Correct 25 ms 2628 KB Output is correct
26 Correct 26 ms 2476 KB Output is correct
27 Incorrect 33 ms 2676 KB Wrong Answer [2]
28 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 1 ms 208 KB Output is correct
4 Correct 1 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 3 ms 464 KB Output is correct
8 Correct 6 ms 628 KB Output is correct
9 Correct 11 ms 1080 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 848 KB Output is correct
12 Correct 11 ms 1172 KB Output is correct
13 Correct 9 ms 1144 KB Output is correct
14 Correct 10 ms 1104 KB Output is correct
15 Correct 34 ms 2524 KB Output is correct
16 Correct 30 ms 2524 KB Output is correct
17 Correct 24 ms 2500 KB Output is correct
18 Correct 25 ms 2248 KB Output is correct
19 Correct 31 ms 2624 KB Output is correct
20 Correct 36 ms 2620 KB Output is correct
21 Correct 25 ms 2556 KB Output is correct
22 Correct 25 ms 2312 KB Output is correct
23 Correct 32 ms 2624 KB Output is correct
24 Correct 32 ms 2712 KB Output is correct
25 Correct 25 ms 2628 KB Output is correct
26 Correct 26 ms 2476 KB Output is correct
27 Incorrect 33 ms 2676 KB Wrong Answer [2]
28 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 1 ms 208 KB Output is correct
4 Correct 1 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 3 ms 464 KB Output is correct
8 Correct 6 ms 628 KB Output is correct
9 Correct 11 ms 1080 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 848 KB Output is correct
12 Correct 11 ms 1172 KB Output is correct
13 Correct 9 ms 1144 KB Output is correct
14 Correct 10 ms 1104 KB Output is correct
15 Correct 34 ms 2524 KB Output is correct
16 Correct 30 ms 2524 KB Output is correct
17 Correct 24 ms 2500 KB Output is correct
18 Correct 25 ms 2248 KB Output is correct
19 Correct 31 ms 2624 KB Output is correct
20 Correct 36 ms 2620 KB Output is correct
21 Correct 25 ms 2556 KB Output is correct
22 Correct 25 ms 2312 KB Output is correct
23 Correct 32 ms 2624 KB Output is correct
24 Correct 32 ms 2712 KB Output is correct
25 Correct 25 ms 2628 KB Output is correct
26 Correct 26 ms 2476 KB Output is correct
27 Incorrect 33 ms 2676 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -