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Submission #289057

# Submission time Handle Problem Language Result Execution time Memory
289057 2020-09-02T10:13:35 Z egekabas Wombats (IOI13_wombats) C++14
55 / 100
 20000 ms 31748 KB 
#include "wombats.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
int r, c;
const int sq = 50;
int h[5000][200];
int v[5000][200];
int dis[5000/sq+5][200][200];
void dijkstra(int beg, int end, int imp, int dis[200]){
    for(int j = 0; j < c; ++j)
        dis[j] = 1e9+7;
    dis[imp] = 0;
    for(int i = end; i >= beg; --i){
        for(int j = 1; j < c; ++j)
            dis[j] = min(dis[j], dis[j-1]+h[i][j-1]);
        for(int j = c-2; j >= 0; --j)
            dis[j] = min(dis[j], dis[j+1]+h[i][j]);
        for(int j = 0; j < c && i != beg; ++j)
            dis[j] = min((int)1e9+7, dis[j] + v[i-1][j]);
    }
}
    
void init(int R, int C, int H[5000][200], int V[5000][200]) {
    r = R;
    c = C;
    for(int i = 0; i < r; ++i)
        for(int j = 0; j < c; ++j){
            h[i][j] = H[i][j];
            v[i][j] = V[i][j];
        }
    for(int i = 0; i < r; i += sq)
        for(int j = 0; j < c; ++j)
            dijkstra(i, min(i+sq, r-1), j, dis[i/sq][j]);
}
    
void changeH(int P, int Q, int W) {
    h[P][Q] = W;
    int gr = P/sq;
    for(int j = 0; j < c; ++j)
        dijkstra(gr*sq, min(r-1, (gr+1)*sq), j, dis[gr][j]);
    if(gr > 0 && P%sq == 0){
        --gr;
        for(int j = 0; j < c; ++j)
            dijkstra(gr*sq, min(r-1, (gr+1)*sq), j, dis[gr][j]);
    }
}
    
void changeV(int P, int Q, int W) {
    v[P][Q] = W;
    int gr = P/sq;
    for(int j = 0; j < c; ++j)
        dijkstra(gr*sq, min(r-1, (gr+1)*sq), j, dis[gr][j]);
}
int curd[200];
int newd[200];

int escape(int V1, int V2) {
    for(int j = 0; j < c; ++j)
        curd[j] = newd[j] = 1e9+7;
    curd[V1] = 0;
    for(int i = 0; i < r; i += sq){
        for(int j = 0; j < c; ++j)
            for(int k = 0; k < c; ++k)
                newd[k] = min(newd[k], curd[j]+dis[i/sq][k][j]);
        for(int j = 0; j < c; ++j){
            curd[j] = newd[j];
            newd[j] = 1e9+7;
        }
    }
    return curd[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 8 ms 12544 KB Output is correct
2 Correct 8 ms 12544 KB Output is correct
3 Correct 242 ms 14072 KB Output is correct
4 Correct 10 ms 12544 KB Output is correct
5 Correct 8 ms 12544 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 184 ms 1400 KB Output is correct
12 Correct 1 ms 384 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 478 ms 888 KB Output is correct
2 Correct 496 ms 888 KB Output is correct
3 Correct 492 ms 888 KB Output is correct
4 Correct 492 ms 872 KB Output is correct
5 Correct 501 ms 768 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 2446 ms 876 KB Output is correct
10 Correct 0 ms 384 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 16512 KB Output is correct
2 Correct 13 ms 16512 KB Output is correct
3 Correct 13 ms 16512 KB Output is correct
4 Correct 194 ms 17272 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 480 ms 860 KB Output is correct
2 Correct 489 ms 888 KB Output is correct
3 Correct 494 ms 896 KB Output is correct
4 Correct 490 ms 888 KB Output is correct
5 Correct 492 ms 888 KB Output is correct
6 Correct 14 ms 16512 KB Output is correct
7 Correct 13 ms 16512 KB Output is correct
8 Correct 14 ms 16512 KB Output is correct
9 Correct 193 ms 17272 KB Output is correct
10 Correct 9 ms 12544 KB Output is correct
11 Correct 9 ms 12544 KB Output is correct
12 Correct 240 ms 14072 KB Output is correct
13 Correct 9 ms 12544 KB Output is correct
14 Correct 9 ms 12544 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 184 ms 1400 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 2406 ms 872 KB Output is correct
28 Execution timed out 20041 ms 24408 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 480 ms 888 KB Output is correct
2 Correct 488 ms 888 KB Output is correct
3 Correct 501 ms 888 KB Output is correct
4 Correct 500 ms 888 KB Output is correct
5 Correct 500 ms 888 KB Output is correct
6 Correct 14 ms 16512 KB Output is correct
7 Correct 14 ms 16512 KB Output is correct
8 Correct 14 ms 16512 KB Output is correct
9 Correct 208 ms 17308 KB Output is correct
10 Correct 9 ms 12544 KB Output is correct
11 Correct 9 ms 12544 KB Output is correct
12 Correct 239 ms 14072 KB Output is correct
13 Correct 9 ms 12544 KB Output is correct
14 Correct 9 ms 12544 KB Output is correct
15 Correct 2322 ms 31748 KB Output is correct
16 Execution timed out 20042 ms 31736 KB Time limit exceeded
17 Halted 0 ms 0 KB -