oj.uz

Submission #250184

# Submission time Handle Problem Language Result Execution time Memory
250184 2020-07-17T05:59:53 Z dantoh000 Minerals (JOI19_minerals) C++14
90 / 100
 67 ms 3836 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 verdict;
int query(int x){
    ON[x] ^= 1;
    verdict = ON[x];
    return Query(x);
}
void solve(vector<int> p, vector<int> q){
    if (p.size() == 1){
        Answer(q[0],p[0]);
        return;
    }
    else if (p.size() == 2){
        //printf("settle <%d,%d> <-> <%d,%d>\n",q[0],q[1],p[0],p[1]);
        //printf("last query %d\n",last);
        int q1;
        int qon, qoff, On, Off;
        if (ON[q[0]]^ON[q[1]]) {
            qon = ON[q[0]]?q[0]:q[1];
            qoff = ON[q[0]]?q[1]:q[0];
            q1 = -1;
        }
        else{
            q1 = query(q[0]);
            qon = ON[q[0]]?q[0]:q[1];
            qoff = ON[q[0]]?q[1]:q[0];
        }
        assert(ON[qon] && !ON[qoff]);
        if (ON[p[0]] ^ ON[p[1]]){
            On = ON[p[0]]?p[0]:p[1];
            Off = ON[p[0]]?p[1]:p[0];
            if (q1 == -1){
                q1 = query(On);
                if (q1 == last){
                    Answer(qon, On);
                    Answer(qoff, Off);
                }
            }
            else if (q1 == last){
                Answer(q[0],On);
                Answer(q[1],Off);
            }
            else{
                Answer(q[0],Off);
                Answer(q[1],On);
            }
            last = q1;
            return;
        }
        if (q1 == -1){
            q1 = query(p[0]);
            On = ON[p[0]]?p[0]:p[1];
            Off = ON[p[0]]?p[1]:p[0];
            if ((verdict == 0) ^ (q1 == last)){
                Answer(qon,On);
                Answer(qoff,Off);
            }
            else{
                Answer(qoff,On);
                Answer(qon,Off);
            }
            last = q1;
            return;
        }
        else last = q1;
        q1 = query(p[0]);
        On = ON[p[0]]?p[0]:p[1];
        Off = ON[p[0]]?p[1]:p[0];
        if ((verdict == 0) ^ (q1 == last)){
            Answer(qon,On);
            Answer(qoff,Off);
        }
        else{
            Answer(qoff,On);
            Answer(qon,Off);
        }
        last = q1;
        return;
    }
#ifdef debug
    for (auto x : p){
        printf("%d ",x);
    }
    printf("<- P\n");
    for (auto x : q){
        printf("%d ",x);
    }
    printf("<- P\n");
#endif
    assert(p.size() == q.size());
    vector<int> Lp;
    vector<int> Rp;
    vector<int> Lq, Rq;
    int n = q.size();
    int mid = n/2;
    for (auto x : q){
        if (ON[x]){
            if (Lq.size() == mid){
                last = query(x);
                Rq.push_back(x);
            }
            else{
                Lq.push_back(x);
            }
        }
        else{
            if (Rq.size() == q.size()-mid){
                last = query(x);
                Lq.push_back(x);
            }
            else{
                Rq.push_back(x);
            }
        }
    }
    for (int i = 0; i < n; i++){
        int q = query(p[i]);
        if (q == last){
            //printf("%d goes left\n",p[i]);
            Lp.push_back(p[i]);
        }
        else{
            //printf("%d goes right\n",p[i]);
            Rp.push_back(p[i]);
        }
        last = q;
        if (Lp.size() == Lq.size() || Rp.size() == Rq.size()){
            //printf("ALL FILLED\n");
            for (int j = i+1; j < n; j++){
                if (Lp.size() == Lq.size()) Rp.push_back(p[j]);
                else Lp.push_back(p[j]);
            }
            break;
        }

    }
#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, Lq);
    solve(Rp, Rq);


}
void Solve(int N) {
    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,Q);
}

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>, std::vector<int>)':
minerals.cpp:105:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if (Lq.size() == mid){
                 ~~~~~~~~~~^~~~~~

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 0 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 9 ms 896 KB Output is correct
5 Correct 19 ms 1588 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 0 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 9 ms 896 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1244 KB Output is correct
12 Correct 19 ms 1580 KB Output is correct
13 Correct 15 ms 1588 KB Output is correct
14 Correct 15 ms 1452 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 0 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 9 ms 896 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1244 KB Output is correct
12 Correct 19 ms 1580 KB Output is correct
13 Correct 15 ms 1588 KB Output is correct
14 Correct 15 ms 1452 KB Output is correct
15 Correct 54 ms 3504 KB Output is correct
16 Correct 53 ms 3576 KB Output is correct
17 Correct 42 ms 3468 KB Output is correct
18 Correct 43 ms 3332 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 0 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 9 ms 896 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1244 KB Output is correct
12 Correct 19 ms 1580 KB Output is correct
13 Correct 15 ms 1588 KB Output is correct
14 Correct 15 ms 1452 KB Output is correct
15 Correct 54 ms 3504 KB Output is correct
16 Correct 53 ms 3576 KB Output is correct
17 Correct 42 ms 3468 KB Output is correct
18 Correct 43 ms 3332 KB Output is correct
19 Correct 55 ms 3644 KB Output is correct
20 Correct 57 ms 3616 KB Output is correct
21 Correct 42 ms 3552 KB Output is correct
22 Correct 43 ms 3388 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 0 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 9 ms 896 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1244 KB Output is correct
12 Correct 19 ms 1580 KB Output is correct
13 Correct 15 ms 1588 KB Output is correct
14 Correct 15 ms 1452 KB Output is correct
15 Correct 54 ms 3504 KB Output is correct
16 Correct 53 ms 3576 KB Output is correct
17 Correct 42 ms 3468 KB Output is correct
18 Correct 43 ms 3332 KB Output is correct
19 Correct 55 ms 3644 KB Output is correct
20 Correct 57 ms 3616 KB Output is correct
21 Correct 42 ms 3552 KB Output is correct
22 Correct 43 ms 3388 KB Output is correct
23 Correct 56 ms 3664 KB Output is correct
24 Correct 58 ms 3672 KB Output is correct
25 Correct 44 ms 3600 KB Output is correct
26 Correct 45 ms 3456 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 0 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 9 ms 896 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1244 KB Output is correct
12 Correct 19 ms 1580 KB Output is correct
13 Correct 15 ms 1588 KB Output is correct
14 Correct 15 ms 1452 KB Output is correct
15 Correct 54 ms 3504 KB Output is correct
16 Correct 53 ms 3576 KB Output is correct
17 Correct 42 ms 3468 KB Output is correct
18 Correct 43 ms 3332 KB Output is correct
19 Correct 55 ms 3644 KB Output is correct
20 Correct 57 ms 3616 KB Output is correct
21 Correct 42 ms 3552 KB Output is correct
22 Correct 43 ms 3388 KB Output is correct
23 Correct 56 ms 3664 KB Output is correct
24 Correct 58 ms 3672 KB Output is correct
25 Correct 44 ms 3600 KB Output is correct
26 Correct 45 ms 3456 KB Output is correct
27 Correct 58 ms 3732 KB Output is correct
28 Correct 61 ms 3768 KB Output is correct
29 Correct 47 ms 3700 KB Output is correct
30 Correct 53 ms 3536 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 0 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 9 ms 896 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1244 KB Output is correct
12 Correct 19 ms 1580 KB Output is correct
13 Correct 15 ms 1588 KB Output is correct
14 Correct 15 ms 1452 KB Output is correct
15 Correct 54 ms 3504 KB Output is correct
16 Correct 53 ms 3576 KB Output is correct
17 Correct 42 ms 3468 KB Output is correct
18 Correct 43 ms 3332 KB Output is correct
19 Correct 55 ms 3644 KB Output is correct
20 Correct 57 ms 3616 KB Output is correct
21 Correct 42 ms 3552 KB Output is correct
22 Correct 43 ms 3388 KB Output is correct
23 Correct 56 ms 3664 KB Output is correct
24 Correct 58 ms 3672 KB Output is correct
25 Correct 44 ms 3600 KB Output is correct
26 Correct 45 ms 3456 KB Output is correct
27 Correct 58 ms 3732 KB Output is correct
28 Correct 61 ms 3768 KB Output is correct
29 Correct 47 ms 3700 KB Output is correct
30 Correct 53 ms 3536 KB Output is correct
31 Correct 66 ms 3780 KB Output is correct
32 Correct 60 ms 3816 KB Output is correct
33 Correct 52 ms 3700 KB Output is correct
34 Correct 47 ms 3572 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 0 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 9 ms 896 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 13 ms 1244 KB Output is correct
12 Correct 19 ms 1580 KB Output is correct
13 Correct 15 ms 1588 KB Output is correct
14 Correct 15 ms 1452 KB Output is correct
15 Correct 54 ms 3504 KB Output is correct
16 Correct 53 ms 3576 KB Output is correct
17 Correct 42 ms 3468 KB Output is correct
18 Correct 43 ms 3332 KB Output is correct
19 Correct 55 ms 3644 KB Output is correct
20 Correct 57 ms 3616 KB Output is correct
21 Correct 42 ms 3552 KB Output is correct
22 Correct 43 ms 3388 KB Output is correct
23 Correct 56 ms 3664 KB Output is correct
24 Correct 58 ms 3672 KB Output is correct
25 Correct 44 ms 3600 KB Output is correct
26 Correct 45 ms 3456 KB Output is correct
27 Correct 58 ms 3732 KB Output is correct
28 Correct 61 ms 3768 KB Output is correct
29 Correct 47 ms 3700 KB Output is correct
30 Correct 53 ms 3536 KB Output is correct
31 Correct 66 ms 3780 KB Output is correct
32 Correct 60 ms 3816 KB Output is correct
33 Correct 52 ms 3700 KB Output is correct
34 Correct 47 ms 3572 KB Output is correct
35 Incorrect 67 ms 3836 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -