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Submission #1068060

# Submission time Handle Problem Language Result Execution time Memory
1068060 2024-08-21T07:02:08 Z thinknoexit Wombats (IOI13_wombats) C++17
55 / 100
 8498 ms 262144 KB 
#include "wombats.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 5000;
const int M = 100;
int rc[N][M]; // cost from (i, j) -> (i+1, j)
int cc[N][M]; // cost from (i, j) -> (i, j+1)
int n, m;
struct A {
    vector<vector<int>> dis;
    int r;
    void init() {
        dis.assign(m, vector<int>(m, 1e9));
    }
    A operator + (const A& o) const {
        A res;
        res.init();
        for (int i = 0;i < m;i++) {
            for (int j = 0;j < m;j++) {
                for (int k = 0;k < m;k++) {
                    res.dis[i][j] = min(res.dis[i][j],
                        dis[i][k] + rc[r][k] + o.dis[k][j]);
                }
            }
        }
        res.r = o.r;
        return res;
    }
} tree[(1 << 14) + 1];
void build(int now = 1, int l = 0, int r = n - 1) {
    if (l == r) {
        tree[now].init();
        vector<int> sum(m);
        sum[0] = 0;
        for (int i = 1;i < m;i++) {
            sum[i] = sum[i - 1] + cc[l][i - 1];
        }
        for (int i = 0;i < m;i++) {
            for (int j = i;j < m;j++) {
                tree[now].dis[i][j] = tree[now].dis[j][i] = sum[j] - sum[i];
            }
        }
        tree[now].r = r;
        return;
    }
    int mid = (l + r) / 2;
    build(2 * now, l, mid), build(2 * now + 1, mid + 1, r);
    tree[now] = tree[2 * now] + tree[2 * now + 1];
};
void update(int v, int now = 1, int l = 0, int r = n - 1) {
    if (l == r) {
        vector<int> sum(m);
        sum[0] = 0;
        for (int i = 1;i < m;i++) {
            sum[i] = sum[i - 1] + cc[l][i - 1];
        }
        for (int i = 0;i < m;i++) {
            for (int j = i;j < m;j++) {
                tree[now].dis[i][j] = tree[now].dis[j][i] = sum[j] - sum[i];
            }
        }
        tree[now].r = r;
        return;
    }
    int mid = (l + r) / 2;
    if (v <= mid) update(v, 2 * now, l, mid);
    else update(v, 2 * now + 1, mid + 1, r);
    tree[now] = tree[2 * now] + tree[2 * now + 1];
}
void init(int R, int C, int H[5000][200], int V[5000][200]) {
    n = R, m = C;
    for (int i = 0;i < n - 1;i++) {
        for (int j = 0;j < m;j++) {
            rc[i][j] = V[i][j];
        }
    }
    for (int i = 0;i < n;i++) {
        for (int j = 0;j < m - 1;j++) {
            cc[i][j] = H[i][j];
        }
    }
    build();
}

void changeH(int P, int Q, int W) {
    cc[P][Q] = W;
    update(P);
}

void changeV(int P, int Q, int W) {
    rc[P][Q] = W;
    update(P);
}

int escape(int V1, int V2) {
    return tree[1].dis[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 5 ms 7260 KB Output is correct
2 Correct 4 ms 7260 KB Output is correct
3 Correct 42 ms 10068 KB Output is correct
4 Correct 5 ms 7340 KB Output is correct
5 Correct 5 ms 7260 KB Output is correct
6 Correct 0 ms 960 KB Output is correct
7 Correct 0 ms 860 KB Output is correct
8 Correct 1 ms 860 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 860 KB Output is correct
2 Correct 1 ms 860 KB Output is correct
3 Correct 0 ms 860 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 41 ms 3392 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1070 ms 9796 KB Output is correct
2 Correct 1048 ms 9700 KB Output is correct
3 Correct 1075 ms 9828 KB Output is correct
4 Correct 1117 ms 9808 KB Output is correct
5 Correct 1039 ms 9768 KB Output is correct
6 Correct 1 ms 860 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 0 ms 860 KB Output is correct
9 Correct 4795 ms 9880 KB Output is correct
10 Correct 1 ms 856 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 13912 KB Output is correct
2 Correct 9 ms 13764 KB Output is correct
3 Correct 9 ms 13912 KB Output is correct
4 Correct 28 ms 15196 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1079 ms 9772 KB Output is correct
2 Correct 1081 ms 9556 KB Output is correct
3 Correct 1120 ms 9812 KB Output is correct
4 Correct 1105 ms 10064 KB Output is correct
5 Correct 1067 ms 9792 KB Output is correct
6 Correct 9 ms 13916 KB Output is correct
7 Correct 8 ms 14000 KB Output is correct
8 Correct 9 ms 13988 KB Output is correct
9 Correct 28 ms 15260 KB Output is correct
10 Correct 6 ms 7256 KB Output is correct
11 Correct 8 ms 7256 KB Output is correct
12 Correct 49 ms 10120 KB Output is correct
13 Correct 5 ms 7260 KB Output is correct
14 Correct 6 ms 7260 KB Output is correct
15 Correct 1 ms 860 KB Output is correct
16 Correct 1 ms 860 KB Output is correct
17 Correct 1 ms 860 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 1 ms 1116 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 2 ms 968 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 1 ms 1116 KB Output is correct
25 Correct 40 ms 3464 KB Output is correct
26 Correct 1 ms 1116 KB Output is correct
27 Correct 4879 ms 9880 KB Output is correct
28 Runtime error 4330 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 1077 ms 9784 KB Output is correct
2 Correct 1056 ms 9696 KB Output is correct
3 Correct 1091 ms 9740 KB Output is correct
4 Correct 1089 ms 9808 KB Output is correct
5 Correct 1044 ms 9556 KB Output is correct
6 Correct 9 ms 13916 KB Output is correct
7 Correct 8 ms 13916 KB Output is correct
8 Correct 8 ms 13916 KB Output is correct
9 Correct 29 ms 15196 KB Output is correct
10 Correct 5 ms 7260 KB Output is correct
11 Correct 4 ms 7256 KB Output is correct
12 Correct 53 ms 10068 KB Output is correct
13 Correct 5 ms 7256 KB Output is correct
14 Correct 5 ms 7260 KB Output is correct
15 Runtime error 8498 ms 262144 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -