oj.uz

Submission #289111

# Submission time Handle Problem Language Result Execution time Memory
289111 2020-09-02T11:12:05 Z egekabas Wombats (IOI13_wombats) C++14
55 / 100
 20000 ms 18908 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 = 1000;
int h[5000][200];
int v[5000][200];
int dis[5000/sq+5][200][200];
void dijkstra1(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]);
    }
}
int segdis[200][5000/sq+5][200];
int cnt;
void dijkstra2(int start, int d[5000/sq+5][200]){
    for(int i = 0; i < r; i += sq){
        for(int j = 0; j < c; ++j)
            d[i/sq][j] = d[i/sq+1][j] = 1e9+7;
        cnt = max(cnt, i/sq+1);
    }
    d[0][start] = 0;
    for(int i = 0; i < r; i += sq)
        for(int j = 0; j < c; ++j)
            for(int k = 0; k < c; ++k){
                d[i/sq+1][k] = min(d[i/sq+1][k], d[i/sq][j] + dis[i/sq][k][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)
            dijkstra1(i, min(i+sq, r-1), j, dis[i/sq][j]);
    for(int j = 0; j < c; ++j)
        dijkstra2(j,  segdis[j]);
}
vector<int> change;
void changeH(int P, int Q, int W) {
    h[P][Q] = W;
    int gr = P/sq;
    change.pb(gr);
    if(gr > 0 && P%sq == 0){
        change.pb(gr-1);
    }
}
    
void changeV(int P, int Q, int W) {
    v[P][Q] = W;
    int gr = P/sq;
    change.pb(gr);
}
int curd[200];
int newd[200];
int done[sq+5];
int escape(int V1, int V2) {
    for(auto u : change){
        if(done[u]) continue;
        for(int j = 0; j < c; ++j)
            dijkstra1(u*sq, min(r-1, (u+1)*sq), j, dis[u][j]);
    }
    if(change.size())
        for(int j = 0; j < c; ++j)
            dijkstra2(j, segdis[j]);
    for(auto u : change)
        done[u] = 0;
    change.clear();
    return segdis[V1][cnt][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 10 ms 12288 KB Output is correct
2 Correct 10 ms 12288 KB Output is correct
3 Correct 93 ms 13688 KB Output is correct
4 Correct 10 ms 12160 KB Output is correct
5 Correct 10 ms 12160 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 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 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 89 ms 1528 KB Output is correct
12 Correct 1 ms 512 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 964 ms 1316 KB Output is correct
2 Correct 1014 ms 1400 KB Output is correct
3 Correct 1045 ms 1324 KB Output is correct
4 Correct 1044 ms 1328 KB Output is correct
5 Correct 1008 ms 1400 KB Output is correct
6 Correct 0 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 4599 ms 1280 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 16000 KB Output is correct
2 Correct 24 ms 16000 KB Output is correct
3 Correct 24 ms 16000 KB Output is correct
4 Correct 70 ms 16760 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 957 ms 1432 KB Output is correct
2 Correct 1016 ms 1400 KB Output is correct
3 Correct 1039 ms 1400 KB Output is correct
4 Correct 1054 ms 1328 KB Output is correct
5 Correct 1010 ms 1400 KB Output is correct
6 Correct 27 ms 16000 KB Output is correct
7 Correct 24 ms 16000 KB Output is correct
8 Correct 25 ms 16000 KB Output is correct
9 Correct 65 ms 16760 KB Output is correct
10 Correct 11 ms 12288 KB Output is correct
11 Correct 13 ms 12160 KB Output is correct
12 Correct 94 ms 13688 KB Output is correct
13 Correct 10 ms 12032 KB Output is correct
14 Correct 11 ms 12160 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 84 ms 1528 KB Output is correct
26 Correct 1 ms 512 KB Output is correct
27 Correct 4616 ms 1320 KB Output is correct
28 Execution timed out 20086 ms 17508 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 957 ms 1400 KB Output is correct
2 Correct 1006 ms 1400 KB Output is correct
3 Correct 1039 ms 1400 KB Output is correct
4 Correct 1054 ms 1400 KB Output is correct
5 Correct 1016 ms 1400 KB Output is correct
6 Correct 24 ms 16000 KB Output is correct
7 Correct 24 ms 16000 KB Output is correct
8 Correct 25 ms 16000 KB Output is correct
9 Correct 65 ms 16888 KB Output is correct
10 Correct 10 ms 12160 KB Output is correct
11 Correct 10 ms 12160 KB Output is correct
12 Correct 93 ms 13688 KB Output is correct
13 Correct 11 ms 12160 KB Output is correct
14 Correct 11 ms 12160 KB Output is correct
15 Correct 3925 ms 18424 KB Output is correct
16 Execution timed out 20061 ms 18908 KB Time limit exceeded
17 Halted 0 ms 0 KB -