답안 #35685

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
35685 2017-11-28T06:18:19 Z leejseo Jakarta Skyscrapers (APIO15_skyscraper) PyPy
57 / 100
1000 ms 98 KB
from heapq import *
from bisect import bisect_right
maxint = int(2E9)

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()
# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 36 KB Output is correct
2 Correct 33 ms 36 KB Output is correct
3 Correct 31 ms 36 KB Output is correct
4 Correct 29 ms 36 KB Output is correct
5 Correct 29 ms 36 KB Output is correct
6 Correct 27 ms 36 KB Output is correct
7 Correct 26 ms 36 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 36 KB Output is correct
2 Correct 26 ms 36 KB Output is correct
3 Correct 26 ms 36 KB Output is correct
4 Correct 31 ms 36 KB Output is correct
5 Correct 26 ms 36 KB Output is correct
6 Correct 26 ms 36 KB Output is correct
7 Correct 30 ms 36 KB Output is correct
8 Correct 35 ms 36 KB Output is correct
9 Correct 35 ms 36 KB Output is correct
10 Correct 49 ms 38 KB Output is correct
11 Correct 84 ms 43 KB Output is correct
12 Correct 84 ms 43 KB Output is correct
13 Correct 89 ms 43 KB Output is correct
14 Correct 123 ms 44 KB Output is correct
15 Correct 99 ms 44 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 44 KB Output is correct
2 Correct 31 ms 44 KB Output is correct
3 Correct 30 ms 44 KB Output is correct
4 Correct 35 ms 44 KB Output is correct
5 Correct 27 ms 44 KB Output is correct
6 Correct 29 ms 44 KB Output is correct
7 Correct 29 ms 44 KB Output is correct
8 Correct 27 ms 44 KB Output is correct
9 Correct 32 ms 44 KB Output is correct
10 Correct 42 ms 44 KB Output is correct
11 Correct 76 ms 44 KB Output is correct
12 Correct 68 ms 44 KB Output is correct
13 Correct 78 ms 44 KB Output is correct
14 Correct 115 ms 44 KB Output is correct
15 Correct 129 ms 44 KB Output is correct
16 Correct 43 ms 44 KB Output is correct
17 Correct 152 ms 46 KB Output is correct
18 Correct 60 ms 46 KB Output is correct
19 Correct 54 ms 46 KB Output is correct
20 Correct 100 ms 46 KB Output is correct
21 Correct 73 ms 46 KB Output is correct
22 Correct 51 ms 46 KB Output is correct
23 Correct 180 ms 47 KB Output is correct
24 Correct 258 ms 50 KB Output is correct
25 Correct 254 ms 50 KB Output is correct
26 Correct 142 ms 50 KB Output is correct
27 Correct 139 ms 50 KB Output is correct
28 Correct 111 ms 50 KB Output is correct
29 Correct 164 ms 50 KB Output is correct
30 Correct 148 ms 50 KB Output is correct
31 Correct 191 ms 50 KB Output is correct
32 Correct 194 ms 50 KB Output is correct
33 Correct 253 ms 51 KB Output is correct
34 Correct 244 ms 52 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 52 KB Output is correct
2 Correct 32 ms 52 KB Output is correct
3 Correct 32 ms 52 KB Output is correct
4 Correct 32 ms 52 KB Output is correct
5 Correct 31 ms 52 KB Output is correct
6 Correct 27 ms 52 KB Output is correct
7 Correct 29 ms 52 KB Output is correct
8 Correct 33 ms 52 KB Output is correct
9 Correct 29 ms 52 KB Output is correct
10 Correct 38 ms 52 KB Output is correct
11 Correct 84 ms 52 KB Output is correct
12 Correct 71 ms 52 KB Output is correct
13 Correct 71 ms 52 KB Output is correct
14 Correct 121 ms 52 KB Output is correct
15 Correct 100 ms 52 KB Output is correct
16 Correct 46 ms 52 KB Output is correct
17 Correct 189 ms 52 KB Output is correct
18 Correct 52 ms 52 KB Output is correct
19 Correct 57 ms 52 KB Output is correct
20 Correct 93 ms 52 KB Output is correct
21 Correct 85 ms 52 KB Output is correct
22 Correct 47 ms 52 KB Output is correct
23 Correct 169 ms 52 KB Output is correct
24 Correct 222 ms 52 KB Output is correct
25 Correct 220 ms 52 KB Output is correct
26 Correct 166 ms 52 KB Output is correct
27 Correct 139 ms 52 KB Output is correct
28 Correct 153 ms 52 KB Output is correct
29 Correct 194 ms 52 KB Output is correct
30 Correct 145 ms 52 KB Output is correct
31 Correct 154 ms 52 KB Output is correct
32 Correct 174 ms 52 KB Output is correct
33 Correct 264 ms 52 KB Output is correct
34 Correct 198 ms 52 KB Output is correct
35 Correct 274 ms 53 KB Output is correct
36 Correct 227 ms 53 KB Output is correct
37 Correct 313 ms 53 KB Output is correct
38 Correct 311 ms 56 KB Output is correct
39 Correct 267 ms 56 KB Output is correct
40 Correct 329 ms 56 KB Output is correct
41 Correct 318 ms 56 KB Output is correct
42 Correct 192 ms 56 KB Output is correct
43 Correct 186 ms 56 KB Output is correct
44 Correct 125 ms 56 KB Output is correct
45 Correct 249 ms 56 KB Output is correct
46 Correct 254 ms 57 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 57 KB Output is correct
2 Correct 29 ms 57 KB Output is correct
3 Correct 27 ms 57 KB Output is correct
4 Correct 26 ms 57 KB Output is correct
5 Correct 27 ms 57 KB Output is correct
6 Correct 27 ms 57 KB Output is correct
7 Correct 26 ms 57 KB Output is correct
8 Correct 28 ms 57 KB Output is correct
9 Correct 31 ms 57 KB Output is correct
10 Correct 47 ms 57 KB Output is correct
11 Correct 93 ms 57 KB Output is correct
12 Correct 79 ms 57 KB Output is correct
13 Correct 68 ms 57 KB Output is correct
14 Correct 107 ms 57 KB Output is correct
15 Correct 97 ms 57 KB Output is correct
16 Correct 44 ms 57 KB Output is correct
17 Correct 189 ms 57 KB Output is correct
18 Correct 53 ms 57 KB Output is correct
19 Correct 60 ms 57 KB Output is correct
20 Correct 88 ms 57 KB Output is correct
21 Correct 82 ms 57 KB Output is correct
22 Correct 50 ms 57 KB Output is correct
23 Correct 151 ms 57 KB Output is correct
24 Correct 202 ms 57 KB Output is correct
25 Correct 212 ms 57 KB Output is correct
26 Correct 152 ms 57 KB Output is correct
27 Correct 168 ms 57 KB Output is correct
28 Correct 134 ms 57 KB Output is correct
29 Correct 211 ms 57 KB Output is correct
30 Correct 141 ms 57 KB Output is correct
31 Correct 172 ms 57 KB Output is correct
32 Correct 207 ms 57 KB Output is correct
33 Correct 279 ms 57 KB Output is correct
34 Correct 253 ms 57 KB Output is correct
35 Correct 315 ms 57 KB Output is correct
36 Correct 241 ms 57 KB Output is correct
37 Correct 323 ms 57 KB Output is correct
38 Correct 330 ms 57 KB Output is correct
39 Correct 327 ms 57 KB Output is correct
40 Correct 318 ms 57 KB Output is correct
41 Correct 269 ms 57 KB Output is correct
42 Correct 153 ms 57 KB Output is correct
43 Correct 172 ms 57 KB Output is correct
44 Correct 131 ms 57 KB Output is correct
45 Correct 233 ms 57 KB Output is correct
46 Correct 269 ms 57 KB Output is correct
47 Correct 555 ms 59 KB Output is correct
48 Correct 114 ms 59 KB Output is correct
49 Correct 113 ms 59 KB Output is correct
50 Correct 108 ms 59 KB Output is correct
51 Correct 786 ms 63 KB Output is correct
52 Correct 668 ms 63 KB Output is correct
53 Correct 390 ms 63 KB Output is correct
54 Correct 163 ms 63 KB Output is correct
55 Correct 180 ms 63 KB Output is correct
56 Correct 999 ms 63 KB Output is correct
57 Correct 756 ms 70 KB Output is correct
58 Correct 223 ms 70 KB Output is correct
59 Correct 232 ms 70 KB Output is correct
60 Correct 256 ms 70 KB Output is correct
61 Correct 402 ms 70 KB Output is correct
62 Correct 392 ms 70 KB Output is correct
63 Correct 694 ms 70 KB Output is correct
64 Correct 563 ms 70 KB Output is correct
65 Correct 831 ms 74 KB Output is correct
66 Execution timed out 1054 ms 98 KB Time limit exceeded
67 Halted 0 ms 0 KB -