oj.uz

Submission #250181

# Submission time Handle Problem Language Result Execution time Memory
250181 2020-07-17T05:58:11 Z dantoh000 Minerals (JOI19_minerals) C++14
90 / 100
 75 ms 3888 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:106:27: 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 1 ms 384 KB Output is correct
2 Correct 1 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 3 ms 512 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 11 ms 1024 KB Output is correct
5 Correct 20 ms 1536 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 3 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 11 ms 1024 KB Output is correct
9 Correct 20 ms 1536 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 14 ms 1152 KB Output is correct
12 Correct 21 ms 1536 KB Output is correct
13 Correct 23 ms 1596 KB Output is correct
14 Correct 20 ms 1536 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 3 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 11 ms 1024 KB Output is correct
9 Correct 20 ms 1536 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 14 ms 1152 KB Output is correct
12 Correct 21 ms 1536 KB Output is correct
13 Correct 23 ms 1596 KB Output is correct
14 Correct 20 ms 1536 KB Output is correct
15 Correct 60 ms 3508 KB Output is correct
16 Correct 64 ms 3640 KB Output is correct
17 Correct 58 ms 3520 KB Output is correct
18 Correct 59 ms 3412 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 3 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 11 ms 1024 KB Output is correct
9 Correct 20 ms 1536 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 14 ms 1152 KB Output is correct
12 Correct 21 ms 1536 KB Output is correct
13 Correct 23 ms 1596 KB Output is correct
14 Correct 20 ms 1536 KB Output is correct
15 Correct 60 ms 3508 KB Output is correct
16 Correct 64 ms 3640 KB Output is correct
17 Correct 58 ms 3520 KB Output is correct
18 Correct 59 ms 3412 KB Output is correct
19 Correct 62 ms 3572 KB Output is correct
20 Correct 64 ms 3588 KB Output is correct
21 Correct 59 ms 3704 KB Output is correct
22 Correct 60 ms 3444 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 3 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 11 ms 1024 KB Output is correct
9 Correct 20 ms 1536 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 14 ms 1152 KB Output is correct
12 Correct 21 ms 1536 KB Output is correct
13 Correct 23 ms 1596 KB Output is correct
14 Correct 20 ms 1536 KB Output is correct
15 Correct 60 ms 3508 KB Output is correct
16 Correct 64 ms 3640 KB Output is correct
17 Correct 58 ms 3520 KB Output is correct
18 Correct 59 ms 3412 KB Output is correct
19 Correct 62 ms 3572 KB Output is correct
20 Correct 64 ms 3588 KB Output is correct
21 Correct 59 ms 3704 KB Output is correct
22 Correct 60 ms 3444 KB Output is correct
23 Correct 66 ms 3708 KB Output is correct
24 Correct 72 ms 3728 KB Output is correct
25 Correct 62 ms 3700 KB Output is correct
26 Correct 63 ms 3540 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 3 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 11 ms 1024 KB Output is correct
9 Correct 20 ms 1536 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 14 ms 1152 KB Output is correct
12 Correct 21 ms 1536 KB Output is correct
13 Correct 23 ms 1596 KB Output is correct
14 Correct 20 ms 1536 KB Output is correct
15 Correct 60 ms 3508 KB Output is correct
16 Correct 64 ms 3640 KB Output is correct
17 Correct 58 ms 3520 KB Output is correct
18 Correct 59 ms 3412 KB Output is correct
19 Correct 62 ms 3572 KB Output is correct
20 Correct 64 ms 3588 KB Output is correct
21 Correct 59 ms 3704 KB Output is correct
22 Correct 60 ms 3444 KB Output is correct
23 Correct 66 ms 3708 KB Output is correct
24 Correct 72 ms 3728 KB Output is correct
25 Correct 62 ms 3700 KB Output is correct
26 Correct 63 ms 3540 KB Output is correct
27 Correct 66 ms 3700 KB Output is correct
28 Correct 65 ms 3868 KB Output is correct
29 Correct 62 ms 3748 KB Output is correct
30 Correct 66 ms 3572 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 3 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 11 ms 1024 KB Output is correct
9 Correct 20 ms 1536 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 14 ms 1152 KB Output is correct
12 Correct 21 ms 1536 KB Output is correct
13 Correct 23 ms 1596 KB Output is correct
14 Correct 20 ms 1536 KB Output is correct
15 Correct 60 ms 3508 KB Output is correct
16 Correct 64 ms 3640 KB Output is correct
17 Correct 58 ms 3520 KB Output is correct
18 Correct 59 ms 3412 KB Output is correct
19 Correct 62 ms 3572 KB Output is correct
20 Correct 64 ms 3588 KB Output is correct
21 Correct 59 ms 3704 KB Output is correct
22 Correct 60 ms 3444 KB Output is correct
23 Correct 66 ms 3708 KB Output is correct
24 Correct 72 ms 3728 KB Output is correct
25 Correct 62 ms 3700 KB Output is correct
26 Correct 63 ms 3540 KB Output is correct
27 Correct 66 ms 3700 KB Output is correct
28 Correct 65 ms 3868 KB Output is correct
29 Correct 62 ms 3748 KB Output is correct
30 Correct 66 ms 3572 KB Output is correct
31 Correct 68 ms 3828 KB Output is correct
32 Correct 68 ms 3836 KB Output is correct
33 Correct 67 ms 3848 KB Output is correct
34 Correct 64 ms 3660 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 3 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 11 ms 1024 KB Output is correct
9 Correct 20 ms 1536 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 14 ms 1152 KB Output is correct
12 Correct 21 ms 1536 KB Output is correct
13 Correct 23 ms 1596 KB Output is correct
14 Correct 20 ms 1536 KB Output is correct
15 Correct 60 ms 3508 KB Output is correct
16 Correct 64 ms 3640 KB Output is correct
17 Correct 58 ms 3520 KB Output is correct
18 Correct 59 ms 3412 KB Output is correct
19 Correct 62 ms 3572 KB Output is correct
20 Correct 64 ms 3588 KB Output is correct
21 Correct 59 ms 3704 KB Output is correct
22 Correct 60 ms 3444 KB Output is correct
23 Correct 66 ms 3708 KB Output is correct
24 Correct 72 ms 3728 KB Output is correct
25 Correct 62 ms 3700 KB Output is correct
26 Correct 63 ms 3540 KB Output is correct
27 Correct 66 ms 3700 KB Output is correct
28 Correct 65 ms 3868 KB Output is correct
29 Correct 62 ms 3748 KB Output is correct
30 Correct 66 ms 3572 KB Output is correct
31 Correct 68 ms 3828 KB Output is correct
32 Correct 68 ms 3836 KB Output is correct
33 Correct 67 ms 3848 KB Output is correct
34 Correct 64 ms 3660 KB Output is correct
35 Incorrect 75 ms 3888 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -