oj.uz

Submission #51768

# Submission time Handle Problem Language Result Execution time Memory
51768 2018-06-21T04:54:37 Z model_code Sandwich (JOI16_sandwich) C++17
100 / 100
 3329 ms 9096 KB 
#include <cstdio>
#include <iostream>
#include <vector>
#include <string>
#define rep(i,n) for (int i = 0; i < n; ++i)
using namespace std;
typedef vector<int> VI;
typedef vector<VI > VVI;

const int INF = 1001001001;
const int di[] = {-1,0,1,0}, dj[] = {0,-1,0,1}; //^<v>

int h, w;
VVI used, dv;
int dfs(int i, int j, int v) {
  if (used[i][j] == 1) return INF;
  if (used[i][j] == 2) return 0;
  int res = 2;
  used[i][j] = 1;
  rep(k,2) {
    int nv = v^(dv[i][j]*k);
    int ni = i + di[nv], nj = j + dj[nv];
    if (ni < 0 || nj < 0 || ni >= h || nj >= w) continue;
    int r = dfs(ni,nj,nv);
    if (r == INF) return INF;
    res += r;
  }
  used[i][j] = 2;
  return res;
}

int main() {
  cin >> h >> w;
  vector<string> s(h);
  rep(i,h) cin >> s[i];
  dv = VVI(h, VI(w));
  rep(i,h)rep(j,w) dv[i][j] = (s[i][j] == 'Z') ? 1 : 3;
  VVI ans(h, VI(w, INF));
  rep(j,w)for (int v = 0; v <= 2; v += 2) {
    used = VVI(h, VI(w));
    int sum = 0;
    rep(i,h) {
      int si = i;
      if (v == 2) si = h-1-i;
      int res = dfs(si,j,v);
      if (res == INF) break;
      sum += res;
      ans[si][j] = min(ans[si][j], sum);
    }
  }
  rep(i,h)rep(j,w) if (ans[i][j] == INF) ans[i][j] = -1;
  rep(i,h)rep(j,w) printf("%d%c", ans[i][j], (j == w-1) ? '\n' : ' ');
  return 0;
}

Subtask #1
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 408 KB Output is correct
4 Correct 2 ms 408 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 3 ms 544 KB Output is correct
7 Correct 7 ms 560 KB Output is correct
8 Correct 7 ms 576 KB Output is correct
9 Correct 5 ms 576 KB Output is correct
10 Correct 7 ms 576 KB Output is correct
11 Correct 7 ms 648 KB Output is correct
12 Correct 5 ms 648 KB Output is correct
13 Correct 7 ms 648 KB Output is correct
14 Correct 7 ms 716 KB Output is correct
15 Correct 5 ms 732 KB Output is correct
16 Correct 5 ms 732 KB Output is correct
17 Correct 4 ms 732 KB Output is correct
18 Correct 5 ms 732 KB Output is correct
19 Correct 7 ms 732 KB Output is correct
20 Correct 5 ms 732 KB Output is correct
21 Correct 4 ms 732 KB Output is correct
22 Correct 5 ms 732 KB Output is correct
23 Correct 5 ms 732 KB Output is correct
24 Correct 8 ms 732 KB Output is correct
25 Correct 9 ms 732 KB Output is correct
26 Correct 7 ms 804 KB Output is correct
27 Correct 9 ms 804 KB Output is correct
28 Correct 10 ms 804 KB Output is correct

Subtask #2
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 408 KB Output is correct
4 Correct 2 ms 408 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 3 ms 544 KB Output is correct
7 Correct 7 ms 560 KB Output is correct
8 Correct 7 ms 576 KB Output is correct
9 Correct 5 ms 576 KB Output is correct
10 Correct 7 ms 576 KB Output is correct
11 Correct 7 ms 648 KB Output is correct
12 Correct 5 ms 648 KB Output is correct
13 Correct 7 ms 648 KB Output is correct
14 Correct 7 ms 716 KB Output is correct
15 Correct 5 ms 732 KB Output is correct
16 Correct 5 ms 732 KB Output is correct
17 Correct 4 ms 732 KB Output is correct
18 Correct 5 ms 732 KB Output is correct
19 Correct 7 ms 732 KB Output is correct
20 Correct 5 ms 732 KB Output is correct
21 Correct 4 ms 732 KB Output is correct
22 Correct 5 ms 732 KB Output is correct
23 Correct 5 ms 732 KB Output is correct
24 Correct 8 ms 732 KB Output is correct
25 Correct 9 ms 732 KB Output is correct
26 Correct 7 ms 804 KB Output is correct
27 Correct 9 ms 804 KB Output is correct
28 Correct 10 ms 804 KB Output is correct
29 Correct 7 ms 804 KB Output is correct
30 Correct 2 ms 804 KB Output is correct
31 Correct 213 ms 4116 KB Output is correct
32 Correct 188 ms 4116 KB Output is correct
33 Correct 26 ms 4116 KB Output is correct
34 Correct 1683 ms 4312 KB Output is correct
35 Correct 1739 ms 4312 KB Output is correct
36 Correct 6 ms 4312 KB Output is correct
37 Correct 2305 ms 4680 KB Output is correct
38 Correct 1929 ms 4868 KB Output is correct
39 Correct 2295 ms 4972 KB Output is correct
40 Correct 3329 ms 5452 KB Output is correct
41 Correct 1868 ms 5452 KB Output is correct
42 Correct 2870 ms 5664 KB Output is correct
43 Correct 3071 ms 5820 KB Output is correct
44 Correct 2722 ms 5888 KB Output is correct
45 Correct 1724 ms 5888 KB Output is correct
46 Correct 1366 ms 6096 KB Output is correct
47 Correct 1481 ms 6096 KB Output is correct
48 Correct 877 ms 6096 KB Output is correct
49 Correct 1209 ms 6476 KB Output is correct
50 Correct 1492 ms 6532 KB Output is correct
51 Correct 1374 ms 6668 KB Output is correct
52 Correct 1403 ms 6832 KB Output is correct
53 Correct 1293 ms 7100 KB Output is correct
54 Correct 1206 ms 7136 KB Output is correct
55 Correct 1267 ms 7308 KB Output is correct
56 Correct 1265 ms 7464 KB Output is correct
57 Correct 954 ms 7464 KB Output is correct
58 Correct 2634 ms 8104 KB Output is correct
59 Correct 3016 ms 8296 KB Output is correct
60 Correct 1690 ms 8296 KB Output is correct
61 Correct 2767 ms 8588 KB Output is correct
62 Correct 3121 ms 8628 KB Output is correct
63 Correct 3234 ms 9096 KB Output is correct