oj.uz

Submission #790503

# Submission time Handle Problem Language Result Execution time Memory
790503 2023-07-22T18:04:14 Z someone Minerals (JOI19_minerals) C++14
100 / 100
 55 ms 3948 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 42;

int last = 0, nb;
bool inHand[N];
vector<int> first, second, id;

int send(int i) {
    if(!inHand[i]) {
        inHand[i] = true;
        last = Query(id[i]);
    }
    return last;
}

int getBack(int i) {
    if(inHand[i]) {
        inHand[i] = false;
        last = Query(id[i]);
    }
    return last;
}

int flip(int i) {
    inHand[i] = !inHand[i];
    last = Query(id[i]);
    return last;
}

void print() {/*
    for(int i = 0; i < 2*nb; i++)
        cout << inHand[i];
    cout << ' ' << last << '\n';*/
}

void DPR(vector<int> fi, vector<int> se) {
    if((int)fi.size() == 1 && (int)se.size() == 1) {
        Answer(id[fi[0]], id[se[0]]);
        return;
    }
    if(fi.empty() || se.empty()) {
        //cout << "wtf\n";
        return;
    }
    int diff = 0;
    vector<int> fi1, fi2, se1, se2;
    for(int i = 0; i < (int)fi.size(); i++)
        if(inHand[fi[i]])
            diff++;
        else
            diff--;
    for(int i = 0; i < (int)fi.size(); i++) {
        if(inHand[fi[i]]) {
            if(abs(diff) <= abs(diff - 2)) {
                fi1.push_back(fi[i]);
            } else {
                diff -= 2;
                getBack(fi[i]);
                fi2.push_back(fi[i]);
            }
        } else {
            if(abs(diff) > abs(diff + 2)) {
                diff += 2;
                send(fi[i]);
                fi1.push_back(fi[i]);
            } else {
                fi2.push_back(fi[i]);
            }
        }
    }

    for(int j : se) {
        int nbType = last;
        if(se1.size() == fi1.size()) {
            se2.push_back(j);
        } else if(se2.size() == fi2.size()) {
            se1.push_back(j);
        } else if(flip(j) == nbType) {
            se1.push_back(j);
        } else {
            se2.push_back(j);
        }
    }
    fi.clear();
    se.clear();
    DPR(se1, fi1);
    DPR(se2, fi2);
}

void Solve(int n) {
    nb = n;
    int nbType = 0;
    mt19937 rng(43);
    for(int i = 1; i <= 2*n; i++)
        id.push_back(i);
    shuffle(id.begin(), id.end(), rng);
    for(int i = 0; i < 2*n; i++) {
        if(send(i) == nbType) {
            second.push_back(i);
        } else {
            nbType++;
            first.push_back(i);
        }
    }
    DPR(first, second);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 2 ms 464 KB Output is correct
3 Correct 3 ms 592 KB Output is correct
4 Correct 6 ms 888 KB Output is correct
5 Correct 16 ms 1456 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 6 ms 888 KB Output is correct
9 Correct 16 ms 1456 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 12 ms 1232 KB Output is correct
12 Correct 12 ms 1588 KB Output is correct
13 Correct 12 ms 1488 KB Output is correct
14 Correct 12 ms 1420 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 6 ms 888 KB Output is correct
9 Correct 16 ms 1456 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 12 ms 1232 KB Output is correct
12 Correct 12 ms 1588 KB Output is correct
13 Correct 12 ms 1488 KB Output is correct
14 Correct 12 ms 1420 KB Output is correct
15 Correct 43 ms 3544 KB Output is correct
16 Correct 35 ms 3528 KB Output is correct
17 Correct 38 ms 3592 KB Output is correct
18 Correct 36 ms 3424 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 6 ms 888 KB Output is correct
9 Correct 16 ms 1456 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 12 ms 1232 KB Output is correct
12 Correct 12 ms 1588 KB Output is correct
13 Correct 12 ms 1488 KB Output is correct
14 Correct 12 ms 1420 KB Output is correct
15 Correct 43 ms 3544 KB Output is correct
16 Correct 35 ms 3528 KB Output is correct
17 Correct 38 ms 3592 KB Output is correct
18 Correct 36 ms 3424 KB Output is correct
19 Correct 42 ms 3648 KB Output is correct
20 Correct 37 ms 3652 KB Output is correct
21 Correct 36 ms 3616 KB Output is correct
22 Correct 35 ms 3476 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 6 ms 888 KB Output is correct
9 Correct 16 ms 1456 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 12 ms 1232 KB Output is correct
12 Correct 12 ms 1588 KB Output is correct
13 Correct 12 ms 1488 KB Output is correct
14 Correct 12 ms 1420 KB Output is correct
15 Correct 43 ms 3544 KB Output is correct
16 Correct 35 ms 3528 KB Output is correct
17 Correct 38 ms 3592 KB Output is correct
18 Correct 36 ms 3424 KB Output is correct
19 Correct 42 ms 3648 KB Output is correct
20 Correct 37 ms 3652 KB Output is correct
21 Correct 36 ms 3616 KB Output is correct
22 Correct 35 ms 3476 KB Output is correct
23 Correct 37 ms 3748 KB Output is correct
24 Correct 41 ms 3648 KB Output is correct
25 Correct 37 ms 3704 KB Output is correct
26 Correct 37 ms 3516 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 6 ms 888 KB Output is correct
9 Correct 16 ms 1456 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 12 ms 1232 KB Output is correct
12 Correct 12 ms 1588 KB Output is correct
13 Correct 12 ms 1488 KB Output is correct
14 Correct 12 ms 1420 KB Output is correct
15 Correct 43 ms 3544 KB Output is correct
16 Correct 35 ms 3528 KB Output is correct
17 Correct 38 ms 3592 KB Output is correct
18 Correct 36 ms 3424 KB Output is correct
19 Correct 42 ms 3648 KB Output is correct
20 Correct 37 ms 3652 KB Output is correct
21 Correct 36 ms 3616 KB Output is correct
22 Correct 35 ms 3476 KB Output is correct
23 Correct 37 ms 3748 KB Output is correct
24 Correct 41 ms 3648 KB Output is correct
25 Correct 37 ms 3704 KB Output is correct
26 Correct 37 ms 3516 KB Output is correct
27 Correct 38 ms 3800 KB Output is correct
28 Correct 39 ms 3700 KB Output is correct
29 Correct 41 ms 3772 KB Output is correct
30 Correct 37 ms 3644 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 6 ms 888 KB Output is correct
9 Correct 16 ms 1456 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 12 ms 1232 KB Output is correct
12 Correct 12 ms 1588 KB Output is correct
13 Correct 12 ms 1488 KB Output is correct
14 Correct 12 ms 1420 KB Output is correct
15 Correct 43 ms 3544 KB Output is correct
16 Correct 35 ms 3528 KB Output is correct
17 Correct 38 ms 3592 KB Output is correct
18 Correct 36 ms 3424 KB Output is correct
19 Correct 42 ms 3648 KB Output is correct
20 Correct 37 ms 3652 KB Output is correct
21 Correct 36 ms 3616 KB Output is correct
22 Correct 35 ms 3476 KB Output is correct
23 Correct 37 ms 3748 KB Output is correct
24 Correct 41 ms 3648 KB Output is correct
25 Correct 37 ms 3704 KB Output is correct
26 Correct 37 ms 3516 KB Output is correct
27 Correct 38 ms 3800 KB Output is correct
28 Correct 39 ms 3700 KB Output is correct
29 Correct 41 ms 3772 KB Output is correct
30 Correct 37 ms 3644 KB Output is correct
31 Correct 40 ms 3912 KB Output is correct
32 Correct 39 ms 3868 KB Output is correct
33 Correct 37 ms 3916 KB Output is correct
34 Correct 40 ms 3692 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 6 ms 888 KB Output is correct
9 Correct 16 ms 1456 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 12 ms 1232 KB Output is correct
12 Correct 12 ms 1588 KB Output is correct
13 Correct 12 ms 1488 KB Output is correct
14 Correct 12 ms 1420 KB Output is correct
15 Correct 43 ms 3544 KB Output is correct
16 Correct 35 ms 3528 KB Output is correct
17 Correct 38 ms 3592 KB Output is correct
18 Correct 36 ms 3424 KB Output is correct
19 Correct 42 ms 3648 KB Output is correct
20 Correct 37 ms 3652 KB Output is correct
21 Correct 36 ms 3616 KB Output is correct
22 Correct 35 ms 3476 KB Output is correct
23 Correct 37 ms 3748 KB Output is correct
24 Correct 41 ms 3648 KB Output is correct
25 Correct 37 ms 3704 KB Output is correct
26 Correct 37 ms 3516 KB Output is correct
27 Correct 38 ms 3800 KB Output is correct
28 Correct 39 ms 3700 KB Output is correct
29 Correct 41 ms 3772 KB Output is correct
30 Correct 37 ms 3644 KB Output is correct
31 Correct 40 ms 3912 KB Output is correct
32 Correct 39 ms 3868 KB Output is correct
33 Correct 37 ms 3916 KB Output is correct
34 Correct 40 ms 3692 KB Output is correct
35 Correct 45 ms 3948 KB Output is correct
36 Correct 55 ms 3904 KB Output is correct
37 Correct 43 ms 3836 KB Output is correct
38 Correct 39 ms 3784 KB Output is correct