oj.uz

Submission #120717

# Submission time Handle Problem Language Result Execution time Memory
120717 2019-06-25T10:10:54 Z onjo0127 Minerals (JOI19_minerals) C++14
90 / 100
 48 ms 3084 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 = (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 = N - (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 256 KB Output is correct
4 Correct 2 ms 256 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 512 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 9 ms 640 KB Output is correct
5 Correct 16 ms 1144 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 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 9 ms 640 KB Output is correct
9 Correct 16 ms 1144 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 12 ms 896 KB Output is correct
12 Correct 16 ms 1280 KB Output is correct
13 Correct 13 ms 1172 KB Output is correct
14 Correct 12 ms 1096 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 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 9 ms 640 KB Output is correct
9 Correct 16 ms 1144 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 12 ms 896 KB Output is correct
12 Correct 16 ms 1280 KB Output is correct
13 Correct 13 ms 1172 KB Output is correct
14 Correct 12 ms 1096 KB Output is correct
15 Correct 42 ms 2764 KB Output is correct
16 Correct 44 ms 2764 KB Output is correct
17 Correct 31 ms 2628 KB Output is correct
18 Correct 31 ms 2448 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 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 9 ms 640 KB Output is correct
9 Correct 16 ms 1144 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 12 ms 896 KB Output is correct
12 Correct 16 ms 1280 KB Output is correct
13 Correct 13 ms 1172 KB Output is correct
14 Correct 12 ms 1096 KB Output is correct
15 Correct 42 ms 2764 KB Output is correct
16 Correct 44 ms 2764 KB Output is correct
17 Correct 31 ms 2628 KB Output is correct
18 Correct 31 ms 2448 KB Output is correct
19 Correct 43 ms 2748 KB Output is correct
20 Correct 43 ms 2756 KB Output is correct
21 Correct 32 ms 2620 KB Output is correct
22 Correct 34 ms 2616 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 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 9 ms 640 KB Output is correct
9 Correct 16 ms 1144 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 12 ms 896 KB Output is correct
12 Correct 16 ms 1280 KB Output is correct
13 Correct 13 ms 1172 KB Output is correct
14 Correct 12 ms 1096 KB Output is correct
15 Correct 42 ms 2764 KB Output is correct
16 Correct 44 ms 2764 KB Output is correct
17 Correct 31 ms 2628 KB Output is correct
18 Correct 31 ms 2448 KB Output is correct
19 Correct 43 ms 2748 KB Output is correct
20 Correct 43 ms 2756 KB Output is correct
21 Correct 32 ms 2620 KB Output is correct
22 Correct 34 ms 2616 KB Output is correct
23 Correct 44 ms 2788 KB Output is correct
24 Correct 47 ms 2796 KB Output is correct
25 Correct 34 ms 2740 KB Output is correct
26 Correct 34 ms 2612 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 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 9 ms 640 KB Output is correct
9 Correct 16 ms 1144 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 12 ms 896 KB Output is correct
12 Correct 16 ms 1280 KB Output is correct
13 Correct 13 ms 1172 KB Output is correct
14 Correct 12 ms 1096 KB Output is correct
15 Correct 42 ms 2764 KB Output is correct
16 Correct 44 ms 2764 KB Output is correct
17 Correct 31 ms 2628 KB Output is correct
18 Correct 31 ms 2448 KB Output is correct
19 Correct 43 ms 2748 KB Output is correct
20 Correct 43 ms 2756 KB Output is correct
21 Correct 32 ms 2620 KB Output is correct
22 Correct 34 ms 2616 KB Output is correct
23 Correct 44 ms 2788 KB Output is correct
24 Correct 47 ms 2796 KB Output is correct
25 Correct 34 ms 2740 KB Output is correct
26 Correct 34 ms 2612 KB Output is correct
27 Correct 46 ms 2840 KB Output is correct
28 Correct 47 ms 2836 KB Output is correct
29 Correct 35 ms 2780 KB Output is correct
30 Correct 34 ms 2604 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 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 9 ms 640 KB Output is correct
9 Correct 16 ms 1144 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 12 ms 896 KB Output is correct
12 Correct 16 ms 1280 KB Output is correct
13 Correct 13 ms 1172 KB Output is correct
14 Correct 12 ms 1096 KB Output is correct
15 Correct 42 ms 2764 KB Output is correct
16 Correct 44 ms 2764 KB Output is correct
17 Correct 31 ms 2628 KB Output is correct
18 Correct 31 ms 2448 KB Output is correct
19 Correct 43 ms 2748 KB Output is correct
20 Correct 43 ms 2756 KB Output is correct
21 Correct 32 ms 2620 KB Output is correct
22 Correct 34 ms 2616 KB Output is correct
23 Correct 44 ms 2788 KB Output is correct
24 Correct 47 ms 2796 KB Output is correct
25 Correct 34 ms 2740 KB Output is correct
26 Correct 34 ms 2612 KB Output is correct
27 Correct 46 ms 2840 KB Output is correct
28 Correct 47 ms 2836 KB Output is correct
29 Correct 35 ms 2780 KB Output is correct
30 Correct 34 ms 2604 KB Output is correct
31 Correct 48 ms 3084 KB Output is correct
32 Correct 47 ms 2852 KB Output is correct
33 Correct 35 ms 2772 KB Output is correct
34 Correct 34 ms 2852 KB Output is correct

Subtask #9
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 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 9 ms 640 KB Output is correct
9 Correct 16 ms 1144 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 12 ms 896 KB Output is correct
12 Correct 16 ms 1280 KB Output is correct
13 Correct 13 ms 1172 KB Output is correct
14 Correct 12 ms 1096 KB Output is correct
15 Correct 42 ms 2764 KB Output is correct
16 Correct 44 ms 2764 KB Output is correct
17 Correct 31 ms 2628 KB Output is correct
18 Correct 31 ms 2448 KB Output is correct
19 Correct 43 ms 2748 KB Output is correct
20 Correct 43 ms 2756 KB Output is correct
21 Correct 32 ms 2620 KB Output is correct
22 Correct 34 ms 2616 KB Output is correct
23 Correct 44 ms 2788 KB Output is correct
24 Correct 47 ms 2796 KB Output is correct
25 Correct 34 ms 2740 KB Output is correct
26 Correct 34 ms 2612 KB Output is correct
27 Correct 46 ms 2840 KB Output is correct
28 Correct 47 ms 2836 KB Output is correct
29 Correct 35 ms 2780 KB Output is correct
30 Correct 34 ms 2604 KB Output is correct
31 Correct 48 ms 3084 KB Output is correct
32 Correct 47 ms 2852 KB Output is correct
33 Correct 35 ms 2772 KB Output is correct
34 Correct 34 ms 2852 KB Output is correct
35 Incorrect 46 ms 2960 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -