oj.uz

Submission #784035

# Submission time Handle Problem Language Result Execution time Memory
784035 2023-07-15T15:09:56 Z qwerasdfzxcl Wombats (IOI13_wombats) C++17
55 / 100
 20000 ms 262144 KB 
#include "wombats.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
constexpr int INF = 2e9 + 100;

int (*H)[200], (*V)[200], n, m;
int sum[5000][200];

inline int dist(int x, int i, int j){
    if (i<=j) return sum[x][j] - sum[x][i];
    return sum[x][i] - sum[x][j];
}

struct Node{
    int a[101][101];

    Node(){}

    void init(int x){
        for (int i=0;i<m;i++){
            for (int j=0;j<m;j++){
                a[i][j] = INF;
                for (int k=0;k<m;k++){
                    a[i][j] = min(a[i][j], V[x][k] + dist(x, i, k) + dist(x+1, j, k));
                }

                // printf("%d %d %d -> %d\n", x, i, j, a[i][j]);
            }
        }
    }

    void merge(const Node &L, const Node &R){
        for (int i=0;i<m;i++){
            for (int j=0;j<m;j++){
                a[i][j] = INF;
                for (int k=0;k<m;k++){
                    a[i][j] = min(a[i][j], L.a[i][k] + R.a[k][j]);
                }
            }
        }
    }
};

struct Seg{
    Node tree[20020];

    void init(int i, int l, int r){
        if (l==r){
            tree[i].init(l);
            return;
        }

        int m = (l+r)>>1;
        init(i<<1, l, m); init(i<<1|1, m+1, r);
        tree[i].merge(tree[i<<1], tree[i<<1|1]);
    }

    void update(int i, int l, int r, int p){
        if (r<p || p<l) return;
        if (l==r){
            tree[i].init(l);
            return;
        }

        int m = (l+r)>>1;
        update(i<<1, l, m, p); update(i<<1|1, m+1, r, p);
        tree[i].merge(tree[i<<1], tree[i<<1|1]);
    }
}tree;

void initH(int x){
    for (int i=1;i<m;i++) sum[x][i] = sum[x][i-1] + H[x][i-1];
}

void init(int R, int C, int h[5000][200], int v[5000][200]) {
    n = R, m = C;
    H = h, V = v;
    for (int i=0;i<R;i++) initH(i);

    tree.init(1, 0, n-2);
}

void changeH(int P, int Q, int W) {
    H[P][Q] = W;
    initH(P);

    tree.update(1, 0, n-2, P-1);
    tree.update(1, 0, n-2, P);
}

void changeV(int P, int Q, int W) {
    V[P][Q] = W;

    tree.update(1, 0, n-2, P);
}

int escape(int V1, int V2) {
    return tree.tree[1].a[V1][V2];
}

Compilation message

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 45504 KB Output is correct
2 Correct 19 ms 45452 KB Output is correct
3 Correct 76 ms 48256 KB Output is correct
4 Correct 19 ms 45388 KB Output is correct
5 Correct 19 ms 45396 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 692 KB Output is correct
6 Correct 1 ms 692 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 696 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 61 ms 3328 KB Output is correct
12 Correct 1 ms 724 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1565 ms 8560 KB Output is correct
2 Correct 1124 ms 8492 KB Output is correct
3 Correct 1958 ms 8624 KB Output is correct
4 Correct 1143 ms 8512 KB Output is correct
5 Correct 1516 ms 8652 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 7627 ms 8592 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 57224 KB Output is correct
2 Correct 22 ms 57300 KB Output is correct
3 Correct 24 ms 57228 KB Output is correct
4 Correct 51 ms 58636 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1582 ms 8552 KB Output is correct
2 Correct 1122 ms 8496 KB Output is correct
3 Correct 1973 ms 8592 KB Output is correct
4 Correct 1139 ms 8652 KB Output is correct
5 Correct 1510 ms 8524 KB Output is correct
6 Correct 27 ms 57308 KB Output is correct
7 Correct 24 ms 57256 KB Output is correct
8 Correct 22 ms 57212 KB Output is correct
9 Correct 51 ms 58680 KB Output is correct
10 Correct 18 ms 45396 KB Output is correct
11 Correct 17 ms 45436 KB Output is correct
12 Correct 76 ms 48220 KB Output is correct
13 Correct 20 ms 45524 KB Output is correct
14 Correct 19 ms 45444 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 312 KB Output is correct
18 Correct 1 ms 724 KB Output is correct
19 Correct 1 ms 696 KB Output is correct
20 Correct 1 ms 696 KB Output is correct
21 Correct 1 ms 696 KB Output is correct
22 Correct 1 ms 724 KB Output is correct
23 Correct 1 ms 696 KB Output is correct
24 Correct 1 ms 724 KB Output is correct
25 Correct 56 ms 3092 KB Output is correct
26 Correct 1 ms 724 KB Output is correct
27 Correct 7625 ms 8588 KB Output is correct
28 Runtime error 9203 ms 262144 KB Execution killed with signal 9
29 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1568 ms 8572 KB Output is correct
2 Correct 1112 ms 8492 KB Output is correct
3 Correct 1971 ms 8596 KB Output is correct
4 Correct 1146 ms 8592 KB Output is correct
5 Correct 1504 ms 8576 KB Output is correct
6 Correct 22 ms 57276 KB Output is correct
7 Correct 24 ms 57280 KB Output is correct
8 Correct 23 ms 57252 KB Output is correct
9 Correct 51 ms 58644 KB Output is correct
10 Correct 18 ms 45424 KB Output is correct
11 Correct 17 ms 45396 KB Output is correct
12 Correct 73 ms 48224 KB Output is correct
13 Correct 25 ms 45516 KB Output is correct
14 Correct 19 ms 45500 KB Output is correct
15 Execution timed out 20105 ms 94560 KB Time limit exceeded
16 Halted 0 ms 0 KB -