oj.uz

Submission #120718

# Submission time Handle Problem Language Result Execution time Memory
120718 2019-06-25T10:11:27 Z onjo0127 Minerals (JOI19_minerals) C++14
100 / 100
 53 ms 3236 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;

bool chk[100009];

int query(int x) {
    chk[x] = !chk[x];
    //printf("query x: %d\n", x);
    return Query(x);
}

void answer(int a, int b) {
    //printf("answer: (%d, %d)\n", a, b);
    Answer(a, b);
}

pair<vi, vi> split(int N) {
    vector<int> A, B;
    int pr = 0, i = 0;
    for(i=1; i<=2*N; i++) {
        int Q = query(i);
        if(pr != Q) A.push_back(i);
        else B.push_back(i);
        pr = Q;
    }
    return {A, B};
}

void go(vector<int> &A, vector<int> &B, bool AC) {
    //puts("AB");
    //for(auto& it: A) printf("%d ",it); puts("");
    //for(auto& it: B) printf("%d ",it); puts("");
    int N = A.size();
    if(N == 1) {
        answer(A[0], B[0]);
        return;
    }
    vector<int> LA, RA, LB, RB;
    int m = N/2, pr;
    if(!AC) {
        if(N >= 10) m = N - (int)(1.0*N/1.618);
        for(int i=0; i<m; i++) {
            pr = query(A[i]);
            LA.push_back(A[i]);
        }
        for(int i=m; i<N; i++) RA.push_back(A[i]);
    }
    if(AC) {
        if(N >= 10) m = (int)(1.0*N/1.618);
        for(int i=N-1; i>=m; i--) {
            pr = query(A[i]);
            RA.push_back(A[i]);
        }
        for(int i=0; i<m; i++) LA.push_back(A[i]);
    }
    int i;
    for(i=0; i<N; i++) {
        int Q = query(B[i]);
        if(pr != Q) RB.push_back(B[i]);
        else LB.push_back(B[i]);
        if(RB.size() == RA.size()) break;
        if(LB.size() == LA.size()) break;
        pr = Q;
    }
    if(RB.size() == RA.size()) for(++i; i<N; i++) LB.push_back(B[i]);
    else for(++i; i<N; i++) RB.push_back(B[i]);
    go(LA, LB, 1);
    go(RA, RB, 0);
}

void Solve(int N) {
    vi A, B; tie(A, B) = split(N);
    go(A, B, 1);
}

Compilation message

minerals.cpp: In function 'void go(std::vector<int>&, std::vector<int>&, bool)':
minerals.cpp:61:9: warning: 'pr' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if(pr != Q) RB.push_back(B[i]);
         ^~

Subtask #1
6.0 / 6.0

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

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 4 ms 536 KB Output is correct
3 Correct 6 ms 512 KB Output is correct
4 Correct 9 ms 768 KB Output is correct
5 Correct 18 ms 1200 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 536 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 9 ms 768 KB Output is correct
9 Correct 18 ms 1200 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 11 ms 1024 KB Output is correct
12 Correct 16 ms 1408 KB Output is correct
13 Correct 13 ms 1256 KB Output is correct
14 Correct 13 ms 1204 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 536 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 9 ms 768 KB Output is correct
9 Correct 18 ms 1200 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 11 ms 1024 KB Output is correct
12 Correct 16 ms 1408 KB Output is correct
13 Correct 13 ms 1256 KB Output is correct
14 Correct 13 ms 1204 KB Output is correct
15 Correct 43 ms 2884 KB Output is correct
16 Correct 43 ms 2832 KB Output is correct
17 Correct 33 ms 2760 KB Output is correct
18 Correct 33 ms 2628 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 536 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 9 ms 768 KB Output is correct
9 Correct 18 ms 1200 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 11 ms 1024 KB Output is correct
12 Correct 16 ms 1408 KB Output is correct
13 Correct 13 ms 1256 KB Output is correct
14 Correct 13 ms 1204 KB Output is correct
15 Correct 43 ms 2884 KB Output is correct
16 Correct 43 ms 2832 KB Output is correct
17 Correct 33 ms 2760 KB Output is correct
18 Correct 33 ms 2628 KB Output is correct
19 Correct 45 ms 2928 KB Output is correct
20 Correct 45 ms 2908 KB Output is correct
21 Correct 33 ms 2796 KB Output is correct
22 Correct 35 ms 2748 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 536 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 9 ms 768 KB Output is correct
9 Correct 18 ms 1200 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 11 ms 1024 KB Output is correct
12 Correct 16 ms 1408 KB Output is correct
13 Correct 13 ms 1256 KB Output is correct
14 Correct 13 ms 1204 KB Output is correct
15 Correct 43 ms 2884 KB Output is correct
16 Correct 43 ms 2832 KB Output is correct
17 Correct 33 ms 2760 KB Output is correct
18 Correct 33 ms 2628 KB Output is correct
19 Correct 45 ms 2928 KB Output is correct
20 Correct 45 ms 2908 KB Output is correct
21 Correct 33 ms 2796 KB Output is correct
22 Correct 35 ms 2748 KB Output is correct
23 Correct 45 ms 2988 KB Output is correct
24 Correct 45 ms 2940 KB Output is correct
25 Correct 34 ms 2876 KB Output is correct
26 Correct 33 ms 2740 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 536 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 9 ms 768 KB Output is correct
9 Correct 18 ms 1200 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 11 ms 1024 KB Output is correct
12 Correct 16 ms 1408 KB Output is correct
13 Correct 13 ms 1256 KB Output is correct
14 Correct 13 ms 1204 KB Output is correct
15 Correct 43 ms 2884 KB Output is correct
16 Correct 43 ms 2832 KB Output is correct
17 Correct 33 ms 2760 KB Output is correct
18 Correct 33 ms 2628 KB Output is correct
19 Correct 45 ms 2928 KB Output is correct
20 Correct 45 ms 2908 KB Output is correct
21 Correct 33 ms 2796 KB Output is correct
22 Correct 35 ms 2748 KB Output is correct
23 Correct 45 ms 2988 KB Output is correct
24 Correct 45 ms 2940 KB Output is correct
25 Correct 34 ms 2876 KB Output is correct
26 Correct 33 ms 2740 KB Output is correct
27 Correct 48 ms 2996 KB Output is correct
28 Correct 45 ms 3036 KB Output is correct
29 Correct 35 ms 2860 KB Output is correct
30 Correct 35 ms 2856 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 536 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 9 ms 768 KB Output is correct
9 Correct 18 ms 1200 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 11 ms 1024 KB Output is correct
12 Correct 16 ms 1408 KB Output is correct
13 Correct 13 ms 1256 KB Output is correct
14 Correct 13 ms 1204 KB Output is correct
15 Correct 43 ms 2884 KB Output is correct
16 Correct 43 ms 2832 KB Output is correct
17 Correct 33 ms 2760 KB Output is correct
18 Correct 33 ms 2628 KB Output is correct
19 Correct 45 ms 2928 KB Output is correct
20 Correct 45 ms 2908 KB Output is correct
21 Correct 33 ms 2796 KB Output is correct
22 Correct 35 ms 2748 KB Output is correct
23 Correct 45 ms 2988 KB Output is correct
24 Correct 45 ms 2940 KB Output is correct
25 Correct 34 ms 2876 KB Output is correct
26 Correct 33 ms 2740 KB Output is correct
27 Correct 48 ms 2996 KB Output is correct
28 Correct 45 ms 3036 KB Output is correct
29 Correct 35 ms 2860 KB Output is correct
30 Correct 35 ms 2856 KB Output is correct
31 Correct 52 ms 2980 KB Output is correct
32 Correct 53 ms 2980 KB Output is correct
33 Correct 35 ms 2852 KB Output is correct
34 Correct 35 ms 2904 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 536 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 9 ms 768 KB Output is correct
9 Correct 18 ms 1200 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 11 ms 1024 KB Output is correct
12 Correct 16 ms 1408 KB Output is correct
13 Correct 13 ms 1256 KB Output is correct
14 Correct 13 ms 1204 KB Output is correct
15 Correct 43 ms 2884 KB Output is correct
16 Correct 43 ms 2832 KB Output is correct
17 Correct 33 ms 2760 KB Output is correct
18 Correct 33 ms 2628 KB Output is correct
19 Correct 45 ms 2928 KB Output is correct
20 Correct 45 ms 2908 KB Output is correct
21 Correct 33 ms 2796 KB Output is correct
22 Correct 35 ms 2748 KB Output is correct
23 Correct 45 ms 2988 KB Output is correct
24 Correct 45 ms 2940 KB Output is correct
25 Correct 34 ms 2876 KB Output is correct
26 Correct 33 ms 2740 KB Output is correct
27 Correct 48 ms 2996 KB Output is correct
28 Correct 45 ms 3036 KB Output is correct
29 Correct 35 ms 2860 KB Output is correct
30 Correct 35 ms 2856 KB Output is correct
31 Correct 52 ms 2980 KB Output is correct
32 Correct 53 ms 2980 KB Output is correct
33 Correct 35 ms 2852 KB Output is correct
34 Correct 35 ms 2904 KB Output is correct
35 Correct 48 ms 3236 KB Output is correct
36 Correct 50 ms 3132 KB Output is correct
37 Correct 37 ms 2980 KB Output is correct
38 Correct 36 ms 2852 KB Output is correct