oj.uz

Submission #130709

# Submission time Handle Problem Language Result Execution time Memory
130709 2019-07-16T01:10:23 Z letrongdat Abduction 2 (JOI17_abduction2) C++17
44 / 100
 451 ms 35448 KB 
#include <bits/stdc++.h>
using namespace std;
#define forn(i, a, b)                   for(int i=a; i<=b; ++i)
#define ford(i, a, b)                   for(int i=a; i>=b; --i)
#define repn(i, a, b)                   for(int i=a; i <b; ++i)
#define repd(i, a, b)                   for(int i=(int)a-1; i>=b; --i)
const int maxLog = 19;
const int maxN = 5e4 +10;
int H, W, Q;
int A[maxN], B[maxN];
int pw[maxLog];
int col[maxN][maxLog], row[maxN][maxLog];
map< tuple<int, int, int>, int > dp; 
int max(int a, int b, int c, int d) {
    return max( max(a, b), max(c, d) );
}
int DFS(int cur_x, int cur_y, int dir) {
    tuple<int, int, int> cur_state = {cur_x, cur_y, dir};
    if (dp.count(cur_state)) return dp[cur_state];
    int &ans = dp[cur_state];
    if (dir == 0 || dir == 1) {
        int sign = (dir == 0 ? -1 : 1);
        int nxt = -1;
        int tmp = cur_x;
        ford(i, 16, 0) { 
            nxt = cur_x + pw[i] * sign - sign;
            if (nxt < 1 || nxt > H) continue;
            if ( (sign == 1 ? row[cur_x][i] : row[nxt][i]) > B[cur_y] ) continue;
            cur_x = nxt + sign;
        }
        if (cur_x < 1 || cur_x > H) {
            cur_x -= sign;
            return ans = abs(cur_x - tmp);
        }
        return ans = abs(cur_x - tmp) + max( DFS(cur_x, cur_y, 2), DFS(cur_x, cur_y, 3) );
    }
    int sign = (dir == 2 ? -1 : 1);
    int nxt = -1;
    int tmp = cur_y;
    ford(i, 16, 0) {
        nxt = cur_y + pw[i] * sign - sign;
        if (nxt < 1 || nxt > W) continue;
        if ( (sign == 1 ? col[cur_y][i] : col[nxt][i]) > A[cur_x] ) continue;
        cur_y = nxt + sign;
    }
    if (cur_y < 1 || cur_y > W) {
        cur_y -= sign;
        return ans = abs(cur_y  - tmp);
    }
    return ans = abs(cur_y - tmp) + max( DFS(cur_x, cur_y, 0), DFS(cur_x, cur_y, 1) );
}
int main() {
    ios::sync_with_stdio(0);
    pw[0] = 1;
    forn(i, 1, 17) pw[i] = pw[i-1] * 2;
    cin >> H >> W >> Q;
    forn(i, 1, H) cin >> A[i];
    forn(i, 1, W) cin >> B[i];
    forn(i, 1, H) row[i][0] = A[i];
    forn(i, 1, W) col[i][0] = B[i];
    forn(lg, 1, 16) forn(i, 1, H-pw[lg]+1)
        row[i][lg] = max(row[i][lg-1], row[i+pw[lg-1]][lg-1]);
    forn(lg, 1, 16) forn(i, 1, W-pw[lg]+1) 
        col[i][lg] = max(col[i][lg-1], col[i+pw[lg-1]][lg-1]);
     for(int S, T; Q; Q--) {
         cin >> S >> T;
         int ans = 0;
         if (S < H) ans = max(ans, DFS(S+1, T, 1) + 1);
         if (S > 1) ans = max(ans, DFS(S-1, T, 0) + 1);
         if (T < W) ans = max(ans, DFS(S, T+1, 3) + 1);
         if (T > 1) ans = max(ans, DFS(S, T-1, 2) + 1);
         cout << ans << '\n';
    }
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 760 KB Output is correct
13 Correct 3 ms 632 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 800 KB Output is correct
16 Correct 4 ms 680 KB Output is correct
17 Correct 3 ms 760 KB Output is correct
18 Correct 3 ms 764 KB Output is correct
19 Correct 6 ms 1016 KB Output is correct
20 Correct 8 ms 1272 KB Output is correct
21 Correct 7 ms 1144 KB Output is correct
22 Correct 10 ms 1500 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 760 KB Output is correct
13 Correct 3 ms 632 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 800 KB Output is correct
16 Correct 4 ms 680 KB Output is correct
17 Correct 3 ms 760 KB Output is correct
18 Correct 3 ms 764 KB Output is correct
19 Correct 6 ms 1016 KB Output is correct
20 Correct 8 ms 1272 KB Output is correct
21 Correct 7 ms 1144 KB Output is correct
22 Correct 10 ms 1500 KB Output is correct
23 Correct 29 ms 9080 KB Output is correct
24 Correct 29 ms 9128 KB Output is correct
25 Correct 29 ms 9124 KB Output is correct
26 Correct 30 ms 9080 KB Output is correct
27 Correct 36 ms 9180 KB Output is correct
28 Correct 68 ms 15204 KB Output is correct
29 Correct 34 ms 9932 KB Output is correct
30 Correct 181 ms 19788 KB Output is correct
31 Correct 234 ms 22648 KB Output is correct
32 Correct 34 ms 9592 KB Output is correct
33 Correct 65 ms 12408 KB Output is correct

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1016 KB Output is correct
2 Correct 7 ms 1272 KB Output is correct
3 Correct 7 ms 1016 KB Output is correct
4 Correct 7 ms 1016 KB Output is correct
5 Correct 7 ms 1016 KB Output is correct
6 Correct 5 ms 1192 KB Output is correct
7 Correct 5 ms 1016 KB Output is correct
8 Correct 12 ms 1596 KB Output is correct
9 Correct 12 ms 1528 KB Output is correct
10 Correct 12 ms 1528 KB Output is correct
11 Correct 13 ms 1784 KB Output is correct

Subtask #5
0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 760 KB Output is correct
13 Correct 3 ms 632 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 800 KB Output is correct
16 Correct 4 ms 680 KB Output is correct
17 Correct 3 ms 760 KB Output is correct
18 Correct 3 ms 764 KB Output is correct
19 Correct 6 ms 1016 KB Output is correct
20 Correct 8 ms 1272 KB Output is correct
21 Correct 7 ms 1144 KB Output is correct
22 Correct 10 ms 1500 KB Output is correct
23 Correct 29 ms 9080 KB Output is correct
24 Correct 29 ms 9128 KB Output is correct
25 Correct 29 ms 9124 KB Output is correct
26 Correct 30 ms 9080 KB Output is correct
27 Correct 36 ms 9180 KB Output is correct
28 Correct 68 ms 15204 KB Output is correct
29 Correct 34 ms 9932 KB Output is correct
30 Correct 181 ms 19788 KB Output is correct
31 Correct 234 ms 22648 KB Output is correct
32 Correct 34 ms 9592 KB Output is correct
33 Correct 65 ms 12408 KB Output is correct
34 Correct 7 ms 1016 KB Output is correct
35 Correct 7 ms 1272 KB Output is correct
36 Correct 7 ms 1016 KB Output is correct
37 Correct 7 ms 1016 KB Output is correct
38 Correct 7 ms 1016 KB Output is correct
39 Correct 5 ms 1192 KB Output is correct
40 Correct 5 ms 1016 KB Output is correct
41 Correct 12 ms 1596 KB Output is correct
42 Correct 12 ms 1528 KB Output is correct
43 Correct 12 ms 1528 KB Output is correct
44 Correct 13 ms 1784 KB Output is correct
45 Correct 37 ms 9720 KB Output is correct
46 Correct 37 ms 9724 KB Output is correct
47 Correct 42 ms 9720 KB Output is correct
48 Correct 41 ms 9776 KB Output is correct
49 Correct 38 ms 9720 KB Output is correct
50 Correct 76 ms 15864 KB Output is correct
51 Correct 80 ms 16560 KB Output is correct
52 Correct 283 ms 28156 KB Output is correct
53 Correct 282 ms 27524 KB Output is correct
54 Correct 274 ms 26360 KB Output is correct
55 Incorrect 451 ms 35448 KB Output isn't correct
56 Halted 0 ms 0 KB -