oj.uz

Submission #250112

# Submission time Handle Problem Language Result Execution time Memory
250112 2020-07-17T03:57:28 Z dantoh000 Minerals (JOI19_minerals) C++14
90 / 100
 67 ms 3196 KB 
#include <bits/stdc++.h>
#include "minerals.h"
using namespace std;
vector<int> Q;
vector<int> P;
int ans[86005];
int ON[86005];
int last;
int query(int x){
    ON[x] ^= 1;
    return Query(x);
}
void solve(vector<int> p, int l, int r, int flag){

    if (r == l){
        ans[Q[l]] = p[0];
        return;
    }

#ifdef debug
    printf("new <%d,%d> %d\n",l,r,flag);
    for (auto x : p){
        printf("%d ",x);
    }
    printf("<- P\n");
    for (int i = l; i <= r; i++){
        printf("%d ",Q[i]);
    }
    printf("<- Q\n");
#endif
    //assert(p.size() == r-l+1);
    vector<int> Lp;
    vector<int> Rp;
    int n = r-l+1;
    int mid;
    mid = (l+r)/2;
    if (flag){
        for (int i = mid+1; i <= r; i++){
            last = query(Q[i]);
        }
    }
    else{
        for (int i = l; i <= mid; i++){
            last = query(Q[i]);
        }
    }

    for (int i = 0; i < n; i++){
        int q = query(p[i]);
        if (q == last){
            Lp.push_back(p[i]);
        }
        else{
            Rp.push_back(p[i]);
        }
        if (Lp.size() == mid-l+1 || Rp.size() == r-mid){
            //printf("ALL FILLED\n");
            for (int j = i+1; j < n; j++){
                if (Lp.size() == mid-l+1) Rp.push_back(p[j]);
                else Lp.push_back(p[j]);
            }
            break;
        }
        last = q;
    }
#ifdef debug
    printf("Lp: ");
    for (auto x : Lp) printf("%d ",x);
    printf("\n");
    printf("Rp: ");
    for (auto x : Rp) printf("%d ",x);
    printf("\n");
#endif

    solve(Lp, l, mid, 1);
    solve(Rp, mid+1, r, 0);


}
void Solve(int N) {
    int last = 0;
    for (int i = 1; i <= 2*N; i++){
        int q = query(i);
        if (q == last){
            Q.push_back(i);
        }
        else{
            P.push_back(i);
        }
        last = q;
        ON[i] = 1;
    }
    srand(time(NULL));
    random_shuffle(Q.begin(),Q.end());
    random_shuffle(P.begin(),P.end());
    solve(P,0,N-1,1);
    for (auto x: Q){
        Answer(x,ans[x]);
    }
}

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>, int, int, int)':
minerals.cpp:57:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (Lp.size() == mid-l+1 || Rp.size() == r-mid){
             ~~~~~~~~~~^~~~~~~~~~
minerals.cpp:57:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (Lp.size() == mid-l+1 || Rp.size() == r-mid){
                                     ~~~~~~~~~~^~~~~~~~
minerals.cpp:60:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 if (Lp.size() == mid-l+1) Rp.push_back(p[j]);
                     ~~~~~~~~~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 10 ms 896 KB Output is correct
5 Correct 25 ms 1216 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 25 ms 1216 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1136 KB Output is correct
12 Correct 19 ms 1344 KB Output is correct
13 Correct 18 ms 1364 KB Output is correct
14 Correct 18 ms 1224 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 25 ms 1216 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1136 KB Output is correct
12 Correct 19 ms 1344 KB Output is correct
13 Correct 18 ms 1364 KB Output is correct
14 Correct 18 ms 1224 KB Output is correct
15 Correct 55 ms 2912 KB Output is correct
16 Correct 55 ms 2804 KB Output is correct
17 Correct 55 ms 2836 KB Output is correct
18 Correct 54 ms 2556 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 25 ms 1216 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1136 KB Output is correct
12 Correct 19 ms 1344 KB Output is correct
13 Correct 18 ms 1364 KB Output is correct
14 Correct 18 ms 1224 KB Output is correct
15 Correct 55 ms 2912 KB Output is correct
16 Correct 55 ms 2804 KB Output is correct
17 Correct 55 ms 2836 KB Output is correct
18 Correct 54 ms 2556 KB Output is correct
19 Correct 58 ms 2932 KB Output is correct
20 Correct 58 ms 2940 KB Output is correct
21 Correct 60 ms 2888 KB Output is correct
22 Correct 60 ms 2596 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 25 ms 1216 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1136 KB Output is correct
12 Correct 19 ms 1344 KB Output is correct
13 Correct 18 ms 1364 KB Output is correct
14 Correct 18 ms 1224 KB Output is correct
15 Correct 55 ms 2912 KB Output is correct
16 Correct 55 ms 2804 KB Output is correct
17 Correct 55 ms 2836 KB Output is correct
18 Correct 54 ms 2556 KB Output is correct
19 Correct 58 ms 2932 KB Output is correct
20 Correct 58 ms 2940 KB Output is correct
21 Correct 60 ms 2888 KB Output is correct
22 Correct 60 ms 2596 KB Output is correct
23 Correct 61 ms 2940 KB Output is correct
24 Correct 63 ms 2932 KB Output is correct
25 Correct 62 ms 3032 KB Output is correct
26 Correct 55 ms 2572 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 25 ms 1216 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1136 KB Output is correct
12 Correct 19 ms 1344 KB Output is correct
13 Correct 18 ms 1364 KB Output is correct
14 Correct 18 ms 1224 KB Output is correct
15 Correct 55 ms 2912 KB Output is correct
16 Correct 55 ms 2804 KB Output is correct
17 Correct 55 ms 2836 KB Output is correct
18 Correct 54 ms 2556 KB Output is correct
19 Correct 58 ms 2932 KB Output is correct
20 Correct 58 ms 2940 KB Output is correct
21 Correct 60 ms 2888 KB Output is correct
22 Correct 60 ms 2596 KB Output is correct
23 Correct 61 ms 2940 KB Output is correct
24 Correct 63 ms 2932 KB Output is correct
25 Correct 62 ms 3032 KB Output is correct
26 Correct 55 ms 2572 KB Output is correct
27 Correct 59 ms 3044 KB Output is correct
28 Correct 61 ms 3060 KB Output is correct
29 Correct 61 ms 3196 KB Output is correct
30 Correct 57 ms 2756 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 25 ms 1216 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1136 KB Output is correct
12 Correct 19 ms 1344 KB Output is correct
13 Correct 18 ms 1364 KB Output is correct
14 Correct 18 ms 1224 KB Output is correct
15 Correct 55 ms 2912 KB Output is correct
16 Correct 55 ms 2804 KB Output is correct
17 Correct 55 ms 2836 KB Output is correct
18 Correct 54 ms 2556 KB Output is correct
19 Correct 58 ms 2932 KB Output is correct
20 Correct 58 ms 2940 KB Output is correct
21 Correct 60 ms 2888 KB Output is correct
22 Correct 60 ms 2596 KB Output is correct
23 Correct 61 ms 2940 KB Output is correct
24 Correct 63 ms 2932 KB Output is correct
25 Correct 62 ms 3032 KB Output is correct
26 Correct 55 ms 2572 KB Output is correct
27 Correct 59 ms 3044 KB Output is correct
28 Correct 61 ms 3060 KB Output is correct
29 Correct 61 ms 3196 KB Output is correct
30 Correct 57 ms 2756 KB Output is correct
31 Correct 67 ms 3136 KB Output is correct
32 Correct 62 ms 3084 KB Output is correct
33 Correct 59 ms 3084 KB Output is correct
34 Correct 59 ms 2716 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 25 ms 1216 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1136 KB Output is correct
12 Correct 19 ms 1344 KB Output is correct
13 Correct 18 ms 1364 KB Output is correct
14 Correct 18 ms 1224 KB Output is correct
15 Correct 55 ms 2912 KB Output is correct
16 Correct 55 ms 2804 KB Output is correct
17 Correct 55 ms 2836 KB Output is correct
18 Correct 54 ms 2556 KB Output is correct
19 Correct 58 ms 2932 KB Output is correct
20 Correct 58 ms 2940 KB Output is correct
21 Correct 60 ms 2888 KB Output is correct
22 Correct 60 ms 2596 KB Output is correct
23 Correct 61 ms 2940 KB Output is correct
24 Correct 63 ms 2932 KB Output is correct
25 Correct 62 ms 3032 KB Output is correct
26 Correct 55 ms 2572 KB Output is correct
27 Correct 59 ms 3044 KB Output is correct
28 Correct 61 ms 3060 KB Output is correct
29 Correct 61 ms 3196 KB Output is correct
30 Correct 57 ms 2756 KB Output is correct
31 Correct 67 ms 3136 KB Output is correct
32 Correct 62 ms 3084 KB Output is correct
33 Correct 59 ms 3084 KB Output is correct
34 Correct 59 ms 2716 KB Output is correct
35 Incorrect 62 ms 3068 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -