Submission #35725

# Submission time Handle Problem Language Result Execution time Memory
35725 2017-11-29T03:24:05 Z leejseo Jakarta Skyscrapers (APIO15_skyscraper) PyPy
57 / 100
1000 ms 29 KB
from heapq import *
from bisect import bisect_right
maxint = int(1E9)
 
class Node(object):
    def __init__(self, u, dist):
        self.u = u
        self.dist = dist
    
    def __cmp__(self, other):
        return cmp(self.dist, other.dist)
 
def binary_search(L, val):
    if not L : return False
    s = bisect_right(L, val)
    return L[s-1] == val
 
def dijkstra(start):
    global N, M, V, B, P
    dist = [maxint for i in range(N)]    
    start = B[0]
    dist[start] = 0
    Q = []
    heappush(Q, Node(start, 0))
    while Q :
        node = heappop(Q)
        u, dist_u = node.u, node.dist
        if dist_u > dist[u] : continue
        for power in V[u]:
            to = u+power
            cost = dist_u + 1
            while to < N :
                if dist[to] > cost :
                    dist[to] = cost
                    heappush(Q, Node(to, cost))
                    if binary_search(V[to], power):
                        break
                to += power
                cost += 1
            to = u-power
            cost = dist_u + 1
            while to >= 0 : 
                if dist[to] > cost :
                    dist[to] = cost
                    heappush(Q, Node(to, cost))
                    if binary_search(V[to], power):
                        break
                to -= power
                cost += 1
    return dist
 
def main():
    global N, M, V, B, P   
    N, M = map(int, raw_input().split())
    V = [ [] for i in range(N) ]
    B = [None for i in range(M)]
    P = [None for i in range(M)]
    for i in range(M):
        B[i], P[i] = map(int, raw_input().split())
        V[B[i]].append(P[i])
        
    for i in range(N):
        V[i] = list(set(V[i]))
        V[i].sort()
    start = B[0]
    dist = dijkstra(start)
    ans = dist[B[1]]
    if ans == maxint: print -1
    else: print ans
    return
main()
# Verdict Execution time Memory Grader output
1 Correct 32 ms 5 KB Output is correct
2 Correct 31 ms 5 KB Output is correct
3 Correct 28 ms 5 KB Output is correct
4 Correct 28 ms 5 KB Output is correct
5 Correct 27 ms 5 KB Output is correct
6 Correct 32 ms 5 KB Output is correct
7 Correct 27 ms 5 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 27 ms 5 KB Output is correct
2 Correct 26 ms 5 KB Output is correct
3 Correct 26 ms 5 KB Output is correct
4 Correct 36 ms 5 KB Output is correct
5 Correct 41 ms 5 KB Output is correct
6 Correct 29 ms 5 KB Output is correct
7 Correct 33 ms 5 KB Output is correct
8 Correct 33 ms 5 KB Output is correct
9 Correct 37 ms 5 KB Output is correct
10 Correct 42 ms 6 KB Output is correct
11 Correct 99 ms 9 KB Output is correct
12 Correct 74 ms 9 KB Output is correct
13 Correct 72 ms 9 KB Output is correct
14 Correct 131 ms 10 KB Output is correct
15 Correct 100 ms 10 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 33 ms 10 KB Output is correct
2 Correct 42 ms 10 KB Output is correct
3 Correct 29 ms 10 KB Output is correct
4 Correct 30 ms 10 KB Output is correct
5 Correct 36 ms 10 KB Output is correct
6 Correct 27 ms 10 KB Output is correct
7 Correct 27 ms 10 KB Output is correct
8 Correct 28 ms 10 KB Output is correct
9 Correct 33 ms 10 KB Output is correct
10 Correct 41 ms 10 KB Output is correct
11 Correct 82 ms 10 KB Output is correct
12 Correct 70 ms 10 KB Output is correct
13 Correct 75 ms 10 KB Output is correct
14 Correct 119 ms 10 KB Output is correct
15 Correct 103 ms 10 KB Output is correct
16 Correct 63 ms 10 KB Output is correct
17 Correct 149 ms 12 KB Output is correct
18 Correct 52 ms 12 KB Output is correct
19 Correct 62 ms 12 KB Output is correct
20 Correct 87 ms 12 KB Output is correct
21 Correct 86 ms 12 KB Output is correct
22 Correct 63 ms 12 KB Output is correct
23 Correct 179 ms 12 KB Output is correct
24 Correct 289 ms 15 KB Output is correct
25 Correct 242 ms 15 KB Output is correct
26 Correct 133 ms 15 KB Output is correct
27 Correct 139 ms 15 KB Output is correct
28 Correct 109 ms 15 KB Output is correct
29 Correct 205 ms 15 KB Output is correct
30 Correct 137 ms 15 KB Output is correct
31 Correct 161 ms 15 KB Output is correct
32 Correct 194 ms 15 KB Output is correct
33 Correct 203 ms 16 KB Output is correct
34 Correct 207 ms 18 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 37 ms 18 KB Output is correct
2 Correct 26 ms 18 KB Output is correct
3 Correct 27 ms 18 KB Output is correct
4 Correct 28 ms 18 KB Output is correct
5 Correct 27 ms 18 KB Output is correct
6 Correct 27 ms 18 KB Output is correct
7 Correct 32 ms 18 KB Output is correct
8 Correct 36 ms 18 KB Output is correct
9 Correct 28 ms 18 KB Output is correct
10 Correct 38 ms 18 KB Output is correct
11 Correct 86 ms 18 KB Output is correct
12 Correct 74 ms 18 KB Output is correct
13 Correct 84 ms 18 KB Output is correct
14 Correct 138 ms 18 KB Output is correct
15 Correct 101 ms 18 KB Output is correct
16 Correct 87 ms 18 KB Output is correct
17 Correct 197 ms 18 KB Output is correct
18 Correct 62 ms 18 KB Output is correct
19 Correct 47 ms 18 KB Output is correct
20 Correct 101 ms 18 KB Output is correct
21 Correct 74 ms 18 KB Output is correct
22 Correct 56 ms 18 KB Output is correct
23 Correct 184 ms 18 KB Output is correct
24 Correct 246 ms 18 KB Output is correct
25 Correct 245 ms 18 KB Output is correct
26 Correct 167 ms 18 KB Output is correct
27 Correct 174 ms 18 KB Output is correct
28 Correct 106 ms 18 KB Output is correct
29 Correct 213 ms 18 KB Output is correct
30 Correct 146 ms 18 KB Output is correct
31 Correct 186 ms 18 KB Output is correct
32 Correct 194 ms 18 KB Output is correct
33 Correct 256 ms 18 KB Output is correct
34 Correct 230 ms 18 KB Output is correct
35 Correct 251 ms 19 KB Output is correct
36 Correct 189 ms 19 KB Output is correct
37 Correct 253 ms 19 KB Output is correct
38 Correct 261 ms 21 KB Output is correct
39 Correct 257 ms 21 KB Output is correct
40 Correct 312 ms 22 KB Output is correct
41 Correct 341 ms 22 KB Output is correct
42 Correct 232 ms 22 KB Output is correct
43 Correct 206 ms 22 KB Output is correct
44 Correct 114 ms 22 KB Output is correct
45 Correct 280 ms 22 KB Output is correct
46 Correct 284 ms 22 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 28 ms 22 KB Output is correct
2 Correct 31 ms 22 KB Output is correct
3 Correct 34 ms 22 KB Output is correct
4 Correct 36 ms 22 KB Output is correct
5 Correct 45 ms 22 KB Output is correct
6 Correct 27 ms 22 KB Output is correct
7 Correct 30 ms 22 KB Output is correct
8 Correct 35 ms 22 KB Output is correct
9 Correct 33 ms 22 KB Output is correct
10 Correct 40 ms 22 KB Output is correct
11 Correct 82 ms 22 KB Output is correct
12 Correct 84 ms 22 KB Output is correct
13 Correct 105 ms 22 KB Output is correct
14 Correct 111 ms 22 KB Output is correct
15 Correct 100 ms 22 KB Output is correct
16 Correct 44 ms 22 KB Output is correct
17 Correct 157 ms 22 KB Output is correct
18 Correct 54 ms 22 KB Output is correct
19 Correct 57 ms 22 KB Output is correct
20 Correct 99 ms 22 KB Output is correct
21 Correct 77 ms 22 KB Output is correct
22 Correct 52 ms 22 KB Output is correct
23 Correct 167 ms 22 KB Output is correct
24 Correct 243 ms 22 KB Output is correct
25 Correct 245 ms 22 KB Output is correct
26 Correct 140 ms 22 KB Output is correct
27 Correct 134 ms 22 KB Output is correct
28 Correct 137 ms 22 KB Output is correct
29 Correct 200 ms 22 KB Output is correct
30 Correct 181 ms 22 KB Output is correct
31 Correct 194 ms 22 KB Output is correct
32 Correct 187 ms 22 KB Output is correct
33 Correct 245 ms 22 KB Output is correct
34 Correct 216 ms 22 KB Output is correct
35 Correct 250 ms 22 KB Output is correct
36 Correct 227 ms 22 KB Output is correct
37 Correct 301 ms 22 KB Output is correct
38 Correct 359 ms 22 KB Output is correct
39 Correct 350 ms 22 KB Output is correct
40 Correct 335 ms 22 KB Output is correct
41 Correct 277 ms 22 KB Output is correct
42 Correct 208 ms 22 KB Output is correct
43 Correct 198 ms 22 KB Output is correct
44 Correct 119 ms 22 KB Output is correct
45 Correct 280 ms 22 KB Output is correct
46 Correct 277 ms 22 KB Output is correct
47 Correct 592 ms 24 KB Output is correct
48 Correct 144 ms 24 KB Output is correct
49 Correct 137 ms 24 KB Output is correct
50 Correct 123 ms 24 KB Output is correct
51 Correct 819 ms 29 KB Output is correct
52 Correct 676 ms 29 KB Output is correct
53 Correct 432 ms 29 KB Output is correct
54 Correct 128 ms 29 KB Output is correct
55 Correct 151 ms 29 KB Output is correct
56 Execution timed out 1024 ms 29 KB Time limit exceeded
57 Halted 0 ms 0 KB -