oj.uz

Submission #45448

# Submission time Handle Problem Language Result Execution time Memory
45448 2018-04-14T06:23:56 Z RayaBurong25_1 Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 555 ms 121124 KB 
#include <stdio.h>
#include <vector>
#include <queue>
#include <algorithm>
#define INF 1000000007
int B[30005], P[30005];
int abs(int a)
{
    return (a < 0)?-a:a;
}
long long Vis[30005][505];
typedef struct node node;
struct node
{
    int u, j, t;
};
std::vector<int> J[30005];
std::queue<node> Q;
int main()
{
    int N, M;
    scanf("%d %d", &N, &M);
    int i;
    node p;
    for (i = 0; i < M; i++)
    {
        scanf("%d %d", &B[i], &P[i]);
        if (i == 0)
            p = {B[i], P[i], 0};
        else
            J[B[i]].push_back(P[i]);
    }
    Vis[B[0]][P[i]/60] |= (1LL << (P[i]%60));
    Q.push(p);
    int w;
    while (!Q.empty())
    {
        p = Q.front();
        Q.pop();
        // printf("pop %d %d %d\n", p.u, p.j, p.t);
        if (p.u == B[1])
        {
            printf("%d", p.t);
            return 0;
        }

        if (p.u + p.j < N && (Vis[p.u + p.j][p.j/60]&(1LL << (p.j%60))) == 0)
        {
            Vis[p.u + p.j][p.j/60] |= (1LL << (p.j%60));
            Q.push({p.u + p.j, p.j, p.t + 1});
        }
        if (p.u - p.j >= 0 && (Vis[p.u - p.j][p.j/60]&(1LL << (p.j%60))) == 0)
        {
            Vis[p.u - p.j][p.j/60] |= (1LL << (p.j%60));
            Q.push({p.u - p.j, p.j, p.t + 1});
        }
        for (i = 0; i < J[p.u].size(); i++)
        {
            w = J[p.u][i];
            if (p.u + w < N && (Vis[p.u + w][w/60]&(1LL << (w%60))) == 0)
            {
                Vis[p.u + w][w/60] |= (1LL << (w%60));
                Q.push({p.u + w, w, p.t + 1});
            }
            if (p.u - w >= 0 && (Vis[p.u - w][w/60]&(1LL << (w%60))) == 0)
            {
                Vis[p.u - w][w/60] |= (1LL << (w%60));
                Q.push({p.u - w, w, p.t + 1});
            }
        }
    }
    printf("-1");
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:57:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i = 0; i < J[p.u].size(); i++)
                     ~~^~~~~~~~~~~~~~~
skyscraper.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N, &M);
     ~~~~~^~~~~~~~~~~~~~~~~
skyscraper.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &B[i], &P[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1016 KB Output is correct
2 Correct 2 ms 1016 KB Output is correct
3 Correct 2 ms 1048 KB Output is correct
4 Correct 3 ms 1048 KB Output is correct
5 Correct 2 ms 1236 KB Output is correct
6 Correct 2 ms 1236 KB Output is correct
7 Correct 2 ms 1236 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1236 KB Output is correct
2 Correct 2 ms 1236 KB Output is correct
3 Correct 2 ms 1236 KB Output is correct
4 Correct 2 ms 1236 KB Output is correct
5 Correct 2 ms 1236 KB Output is correct
6 Correct 3 ms 1236 KB Output is correct
7 Correct 3 ms 1236 KB Output is correct
8 Correct 2 ms 1236 KB Output is correct
9 Correct 2 ms 1328 KB Output is correct
10 Correct 3 ms 1456 KB Output is correct
11 Correct 3 ms 1456 KB Output is correct
12 Correct 3 ms 1584 KB Output is correct
13 Correct 3 ms 1584 KB Output is correct
14 Correct 4 ms 1584 KB Output is correct
15 Correct 3 ms 1712 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1712 KB Output is correct
2 Correct 2 ms 1712 KB Output is correct
3 Correct 2 ms 1712 KB Output is correct
4 Correct 2 ms 1712 KB Output is correct
5 Correct 2 ms 1712 KB Output is correct
6 Correct 2 ms 1712 KB Output is correct
7 Correct 2 ms 1712 KB Output is correct
8 Correct 2 ms 1712 KB Output is correct
9 Correct 2 ms 1712 KB Output is correct
10 Correct 3 ms 1712 KB Output is correct
11 Correct 3 ms 1712 KB Output is correct
12 Correct 3 ms 1712 KB Output is correct
13 Correct 3 ms 1712 KB Output is correct
14 Correct 4 ms 1788 KB Output is correct
15 Correct 4 ms 1788 KB Output is correct
16 Correct 2 ms 1788 KB Output is correct
17 Correct 6 ms 4220 KB Output is correct
18 Correct 3 ms 4220 KB Output is correct
19 Correct 3 ms 4220 KB Output is correct
20 Correct 11 ms 9208 KB Output is correct
21 Correct 3 ms 9208 KB Output is correct
22 Correct 2 ms 9208 KB Output is correct
23 Correct 9 ms 9208 KB Output is correct
24 Correct 10 ms 9208 KB Output is correct
25 Correct 4 ms 9208 KB Output is correct
26 Correct 9 ms 9208 KB Output is correct
27 Correct 10 ms 9208 KB Output is correct
28 Correct 12 ms 9212 KB Output is correct
29 Correct 11 ms 9212 KB Output is correct
30 Correct 11 ms 9292 KB Output is correct
31 Correct 13 ms 9292 KB Output is correct
32 Correct 11 ms 9292 KB Output is correct
33 Correct 15 ms 9292 KB Output is correct
34 Correct 14 ms 9292 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9292 KB Output is correct
2 Correct 2 ms 9292 KB Output is correct
3 Correct 2 ms 9292 KB Output is correct
4 Correct 2 ms 9292 KB Output is correct
5 Correct 2 ms 9292 KB Output is correct
6 Correct 3 ms 9292 KB Output is correct
7 Correct 3 ms 9292 KB Output is correct
8 Correct 2 ms 9292 KB Output is correct
9 Correct 3 ms 9292 KB Output is correct
10 Correct 3 ms 9292 KB Output is correct
11 Correct 4 ms 9292 KB Output is correct
12 Correct 3 ms 9292 KB Output is correct
13 Correct 3 ms 9292 KB Output is correct
14 Correct 4 ms 9292 KB Output is correct
15 Correct 3 ms 9292 KB Output is correct
16 Correct 2 ms 9292 KB Output is correct
17 Correct 6 ms 9292 KB Output is correct
18 Correct 3 ms 9292 KB Output is correct
19 Correct 2 ms 9292 KB Output is correct
20 Correct 11 ms 9296 KB Output is correct
21 Correct 2 ms 9296 KB Output is correct
22 Correct 3 ms 9296 KB Output is correct
23 Correct 9 ms 9296 KB Output is correct
24 Correct 14 ms 9296 KB Output is correct
25 Correct 6 ms 9296 KB Output is correct
26 Correct 10 ms 9296 KB Output is correct
27 Correct 10 ms 9296 KB Output is correct
28 Correct 12 ms 9296 KB Output is correct
29 Correct 12 ms 9296 KB Output is correct
30 Correct 11 ms 9296 KB Output is correct
31 Correct 12 ms 9296 KB Output is correct
32 Correct 12 ms 9296 KB Output is correct
33 Correct 15 ms 9304 KB Output is correct
34 Correct 13 ms 9304 KB Output is correct
35 Correct 18 ms 9304 KB Output is correct
36 Correct 6 ms 9304 KB Output is correct
37 Correct 17 ms 9468 KB Output is correct
38 Correct 20 ms 9980 KB Output is correct
39 Correct 12 ms 9980 KB Output is correct
40 Correct 14 ms 9980 KB Output is correct
41 Correct 19 ms 9980 KB Output is correct
42 Correct 16 ms 9980 KB Output is correct
43 Correct 16 ms 9980 KB Output is correct
44 Correct 17 ms 9980 KB Output is correct
45 Correct 68 ms 10284 KB Output is correct
46 Correct 59 ms 10284 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10284 KB Output is correct
2 Correct 2 ms 10284 KB Output is correct
3 Correct 2 ms 10284 KB Output is correct
4 Correct 3 ms 10284 KB Output is correct
5 Correct 3 ms 10284 KB Output is correct
6 Correct 2 ms 10284 KB Output is correct
7 Correct 3 ms 10284 KB Output is correct
8 Correct 3 ms 10284 KB Output is correct
9 Correct 2 ms 10284 KB Output is correct
10 Correct 4 ms 10284 KB Output is correct
11 Correct 4 ms 10284 KB Output is correct
12 Correct 4 ms 10284 KB Output is correct
13 Correct 4 ms 10284 KB Output is correct
14 Correct 4 ms 10284 KB Output is correct
15 Correct 3 ms 10284 KB Output is correct
16 Correct 3 ms 10284 KB Output is correct
17 Correct 7 ms 10284 KB Output is correct
18 Correct 3 ms 10284 KB Output is correct
19 Correct 3 ms 10284 KB Output is correct
20 Correct 12 ms 10284 KB Output is correct
21 Correct 3 ms 10284 KB Output is correct
22 Correct 3 ms 10284 KB Output is correct
23 Correct 11 ms 10284 KB Output is correct
24 Correct 14 ms 10284 KB Output is correct
25 Correct 5 ms 10284 KB Output is correct
26 Correct 11 ms 10284 KB Output is correct
27 Correct 12 ms 10284 KB Output is correct
28 Correct 13 ms 10284 KB Output is correct
29 Correct 16 ms 10284 KB Output is correct
30 Correct 14 ms 10284 KB Output is correct
31 Correct 15 ms 10284 KB Output is correct
32 Correct 11 ms 10284 KB Output is correct
33 Correct 18 ms 10284 KB Output is correct
34 Correct 14 ms 10284 KB Output is correct
35 Correct 18 ms 10284 KB Output is correct
36 Correct 7 ms 10284 KB Output is correct
37 Correct 23 ms 10284 KB Output is correct
38 Correct 29 ms 10284 KB Output is correct
39 Correct 12 ms 10284 KB Output is correct
40 Correct 14 ms 10284 KB Output is correct
41 Correct 19 ms 10284 KB Output is correct
42 Correct 16 ms 10284 KB Output is correct
43 Correct 24 ms 10284 KB Output is correct
44 Correct 25 ms 10284 KB Output is correct
45 Correct 81 ms 10284 KB Output is correct
46 Correct 70 ms 10284 KB Output is correct
47 Correct 39 ms 27260 KB Output is correct
48 Correct 18 ms 27260 KB Output is correct
49 Correct 18 ms 27260 KB Output is correct
50 Correct 8 ms 27260 KB Output is correct
51 Correct 113 ms 89492 KB Output is correct
52 Correct 128 ms 95516 KB Output is correct
53 Correct 31 ms 95516 KB Output is correct
54 Correct 64 ms 95516 KB Output is correct
55 Correct 86 ms 95516 KB Output is correct
56 Correct 148 ms 121124 KB Output is correct
57 Correct 5 ms 121124 KB Output is correct
58 Correct 149 ms 121124 KB Output is correct
59 Correct 124 ms 121124 KB Output is correct
60 Correct 132 ms 121124 KB Output is correct
61 Correct 129 ms 121124 KB Output is correct
62 Correct 191 ms 121124 KB Output is correct
63 Correct 293 ms 121124 KB Output is correct
64 Correct 301 ms 121124 KB Output is correct
65 Correct 354 ms 121124 KB Output is correct
66 Correct 555 ms 121124 KB Output is correct
67 Correct 409 ms 121124 KB Output is correct