oj.uz

Submission #705885

# Submission time Handle Problem Language Result Execution time Memory
705885 2023-03-05T15:14:30 Z qwerasdfzxcl Minerals (JOI19_minerals) C++17
100 / 100
 174 ms 5556 KB 
#include "minerals.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int n, cur, ans[100100], chk[100100];
int dp[100100], opt[100100];

void dnc0(vector<int> a);
void dnc1(vector<int> L, vector<int> R, int onL, int onR);

int myquery(int x){
    chk[x] ^= 1;
    cur = Query(x);
    return cur;
}

void dnc0(vector<int> a){
    int c = a.size() / 2;

    if (c==0) return;
    if (c==1){
        ans[a[0]] = a[1];
        ans[a[1]] = a[0];
        return;
    }

    vector<int> L, R;
    for (auto &x:a){
        int prv = cur;
        int now = myquery(x);
        if (now==prv){
            R.push_back(x);
        }
        else{
            L.push_back(x);
        }
    }

    dnc1(L, R, 1, 1);
}

void dnc1(vector<int> L, vector<int> R, int onL, int onR){
    // printf("dnc1: ");
    // for (auto &x:L) printf("%d ", x);
    // printf("\n");
    // for (auto &x:R) printf("%d ", x);
    // printf("\n");
    
    int c = L.size();

    if (c==0) return;
    if (c==1){
        ans[L[0]] = R[0];
        ans[R[0]] = L[0];
        return;
    }

    vector<int> L1, R1, L2, R2;
    for (int i=0;i<opt[c];i++) {L1.push_back(L[i]); myquery(L[i]);}
    for (int i=opt[c];i<c;i++) L2.push_back(L[i]);

    for (auto &x:R){
        if (x==R.back()){
            if (L1.size()!=R1.size()) R1.push_back(x);
            else R2.push_back(x);
            break;
        }

        int prv = cur;
        int delta = myquery(x) - prv;

        if ((!onL) == (delta==0)) R1.push_back(x);
        else R2.push_back(x);
    }

    dnc1(L1, R1, !onL, !onR);
    dnc1(L2, R2, onL, !onR);
}

void run(int MX){
    dp[0] = 0;
    dp[1] = 0;
    for (int i=2;i<=MX;i++){
        dp[i] = 1e9;
        opt[i] = -1;

        int s = 0.27 * i;
        int e = 0.383 * i;
        if (i<=100) s = 1, e = i-1;

        for (int j=s;j<=e;j++){
            int val = j + (i-1) + dp[j] + dp[i-j];
            if (val < dp[i]) dp[i] = val, opt[i] = j;
        }
    }
}

void Solve(int N) {
    run(43000);

    n = N, cur = 0;
    vector<int> a;
    for (int i=1;i<=n*2;i++) a.push_back(i);
    
    dnc0(a);

    for (int i=1;i<=n*2;i++) if (i < ans[i]) Answer(i, ans[i]);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 616 KB Output is correct
2 Correct 95 ms 676 KB Output is correct
3 Correct 87 ms 608 KB Output is correct
4 Correct 89 ms 624 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 704 KB Output is correct
2 Correct 91 ms 840 KB Output is correct
3 Correct 95 ms 1080 KB Output is correct
4 Correct 97 ms 1632 KB Output is correct
5 Correct 108 ms 2508 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 616 KB Output is correct
2 Correct 95 ms 676 KB Output is correct
3 Correct 87 ms 608 KB Output is correct
4 Correct 89 ms 624 KB Output is correct
5 Correct 90 ms 704 KB Output is correct
6 Correct 91 ms 840 KB Output is correct
7 Correct 95 ms 1080 KB Output is correct
8 Correct 97 ms 1632 KB Output is correct
9 Correct 108 ms 2508 KB Output is correct
10 Correct 89 ms 748 KB Output is correct
11 Correct 98 ms 1748 KB Output is correct
12 Correct 112 ms 2384 KB Output is correct
13 Correct 104 ms 2508 KB Output is correct
14 Correct 108 ms 2332 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 616 KB Output is correct
2 Correct 95 ms 676 KB Output is correct
3 Correct 87 ms 608 KB Output is correct
4 Correct 89 ms 624 KB Output is correct
5 Correct 90 ms 704 KB Output is correct
6 Correct 91 ms 840 KB Output is correct
7 Correct 95 ms 1080 KB Output is correct
8 Correct 97 ms 1632 KB Output is correct
9 Correct 108 ms 2508 KB Output is correct
10 Correct 89 ms 748 KB Output is correct
11 Correct 98 ms 1748 KB Output is correct
12 Correct 112 ms 2384 KB Output is correct
13 Correct 104 ms 2508 KB Output is correct
14 Correct 108 ms 2332 KB Output is correct
15 Correct 125 ms 4912 KB Output is correct
16 Correct 127 ms 5072 KB Output is correct
17 Correct 119 ms 4996 KB Output is correct
18 Correct 124 ms 4960 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 616 KB Output is correct
2 Correct 95 ms 676 KB Output is correct
3 Correct 87 ms 608 KB Output is correct
4 Correct 89 ms 624 KB Output is correct
5 Correct 90 ms 704 KB Output is correct
6 Correct 91 ms 840 KB Output is correct
7 Correct 95 ms 1080 KB Output is correct
8 Correct 97 ms 1632 KB Output is correct
9 Correct 108 ms 2508 KB Output is correct
10 Correct 89 ms 748 KB Output is correct
11 Correct 98 ms 1748 KB Output is correct
12 Correct 112 ms 2384 KB Output is correct
13 Correct 104 ms 2508 KB Output is correct
14 Correct 108 ms 2332 KB Output is correct
15 Correct 125 ms 4912 KB Output is correct
16 Correct 127 ms 5072 KB Output is correct
17 Correct 119 ms 4996 KB Output is correct
18 Correct 124 ms 4960 KB Output is correct
19 Correct 129 ms 5104 KB Output is correct
20 Correct 134 ms 5088 KB Output is correct
21 Correct 127 ms 5036 KB Output is correct
22 Correct 126 ms 4896 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 616 KB Output is correct
2 Correct 95 ms 676 KB Output is correct
3 Correct 87 ms 608 KB Output is correct
4 Correct 89 ms 624 KB Output is correct
5 Correct 90 ms 704 KB Output is correct
6 Correct 91 ms 840 KB Output is correct
7 Correct 95 ms 1080 KB Output is correct
8 Correct 97 ms 1632 KB Output is correct
9 Correct 108 ms 2508 KB Output is correct
10 Correct 89 ms 748 KB Output is correct
11 Correct 98 ms 1748 KB Output is correct
12 Correct 112 ms 2384 KB Output is correct
13 Correct 104 ms 2508 KB Output is correct
14 Correct 108 ms 2332 KB Output is correct
15 Correct 125 ms 4912 KB Output is correct
16 Correct 127 ms 5072 KB Output is correct
17 Correct 119 ms 4996 KB Output is correct
18 Correct 124 ms 4960 KB Output is correct
19 Correct 129 ms 5104 KB Output is correct
20 Correct 134 ms 5088 KB Output is correct
21 Correct 127 ms 5036 KB Output is correct
22 Correct 126 ms 4896 KB Output is correct
23 Correct 129 ms 5300 KB Output is correct
24 Correct 174 ms 5168 KB Output is correct
25 Correct 129 ms 5100 KB Output is correct
26 Correct 126 ms 5056 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 616 KB Output is correct
2 Correct 95 ms 676 KB Output is correct
3 Correct 87 ms 608 KB Output is correct
4 Correct 89 ms 624 KB Output is correct
5 Correct 90 ms 704 KB Output is correct
6 Correct 91 ms 840 KB Output is correct
7 Correct 95 ms 1080 KB Output is correct
8 Correct 97 ms 1632 KB Output is correct
9 Correct 108 ms 2508 KB Output is correct
10 Correct 89 ms 748 KB Output is correct
11 Correct 98 ms 1748 KB Output is correct
12 Correct 112 ms 2384 KB Output is correct
13 Correct 104 ms 2508 KB Output is correct
14 Correct 108 ms 2332 KB Output is correct
15 Correct 125 ms 4912 KB Output is correct
16 Correct 127 ms 5072 KB Output is correct
17 Correct 119 ms 4996 KB Output is correct
18 Correct 124 ms 4960 KB Output is correct
19 Correct 129 ms 5104 KB Output is correct
20 Correct 134 ms 5088 KB Output is correct
21 Correct 127 ms 5036 KB Output is correct
22 Correct 126 ms 4896 KB Output is correct
23 Correct 129 ms 5300 KB Output is correct
24 Correct 174 ms 5168 KB Output is correct
25 Correct 129 ms 5100 KB Output is correct
26 Correct 126 ms 5056 KB Output is correct
27 Correct 136 ms 5244 KB Output is correct
28 Correct 137 ms 5284 KB Output is correct
29 Correct 122 ms 5228 KB Output is correct
30 Correct 124 ms 5104 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 616 KB Output is correct
2 Correct 95 ms 676 KB Output is correct
3 Correct 87 ms 608 KB Output is correct
4 Correct 89 ms 624 KB Output is correct
5 Correct 90 ms 704 KB Output is correct
6 Correct 91 ms 840 KB Output is correct
7 Correct 95 ms 1080 KB Output is correct
8 Correct 97 ms 1632 KB Output is correct
9 Correct 108 ms 2508 KB Output is correct
10 Correct 89 ms 748 KB Output is correct
11 Correct 98 ms 1748 KB Output is correct
12 Correct 112 ms 2384 KB Output is correct
13 Correct 104 ms 2508 KB Output is correct
14 Correct 108 ms 2332 KB Output is correct
15 Correct 125 ms 4912 KB Output is correct
16 Correct 127 ms 5072 KB Output is correct
17 Correct 119 ms 4996 KB Output is correct
18 Correct 124 ms 4960 KB Output is correct
19 Correct 129 ms 5104 KB Output is correct
20 Correct 134 ms 5088 KB Output is correct
21 Correct 127 ms 5036 KB Output is correct
22 Correct 126 ms 4896 KB Output is correct
23 Correct 129 ms 5300 KB Output is correct
24 Correct 174 ms 5168 KB Output is correct
25 Correct 129 ms 5100 KB Output is correct
26 Correct 126 ms 5056 KB Output is correct
27 Correct 136 ms 5244 KB Output is correct
28 Correct 137 ms 5284 KB Output is correct
29 Correct 122 ms 5228 KB Output is correct
30 Correct 124 ms 5104 KB Output is correct
31 Correct 129 ms 5340 KB Output is correct
32 Correct 154 ms 5296 KB Output is correct
33 Correct 125 ms 5304 KB Output is correct
34 Correct 128 ms 5236 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 616 KB Output is correct
2 Correct 95 ms 676 KB Output is correct
3 Correct 87 ms 608 KB Output is correct
4 Correct 89 ms 624 KB Output is correct
5 Correct 90 ms 704 KB Output is correct
6 Correct 91 ms 840 KB Output is correct
7 Correct 95 ms 1080 KB Output is correct
8 Correct 97 ms 1632 KB Output is correct
9 Correct 108 ms 2508 KB Output is correct
10 Correct 89 ms 748 KB Output is correct
11 Correct 98 ms 1748 KB Output is correct
12 Correct 112 ms 2384 KB Output is correct
13 Correct 104 ms 2508 KB Output is correct
14 Correct 108 ms 2332 KB Output is correct
15 Correct 125 ms 4912 KB Output is correct
16 Correct 127 ms 5072 KB Output is correct
17 Correct 119 ms 4996 KB Output is correct
18 Correct 124 ms 4960 KB Output is correct
19 Correct 129 ms 5104 KB Output is correct
20 Correct 134 ms 5088 KB Output is correct
21 Correct 127 ms 5036 KB Output is correct
22 Correct 126 ms 4896 KB Output is correct
23 Correct 129 ms 5300 KB Output is correct
24 Correct 174 ms 5168 KB Output is correct
25 Correct 129 ms 5100 KB Output is correct
26 Correct 126 ms 5056 KB Output is correct
27 Correct 136 ms 5244 KB Output is correct
28 Correct 137 ms 5284 KB Output is correct
29 Correct 122 ms 5228 KB Output is correct
30 Correct 124 ms 5104 KB Output is correct
31 Correct 129 ms 5340 KB Output is correct
32 Correct 154 ms 5296 KB Output is correct
33 Correct 125 ms 5304 KB Output is correct
34 Correct 128 ms 5236 KB Output is correct
35 Correct 129 ms 5556 KB Output is correct
36 Correct 140 ms 5408 KB Output is correct
37 Correct 125 ms 5440 KB Output is correct
38 Correct 127 ms 5284 KB Output is correct