Submission #931615

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
931615	2024-02-22T07:06:34 Z	dnialh	Jakarta Skyscrapers (APIO15_skyscraper)	PyPy 3	57 / 100	1000 ms	154632 KB

skyscraper

import sys
input = sys.stdin.readline

n, m = map(int, input().split())

adj = [[] for _ in range(n)]
sta = []

power = []
for _ in range(m):
    bi, pi = map(int, input().split())
    adj[bi].append(_)
    sta.append(bi)
    power.append(pi)

seen = [0] * n

pair = set()
amt = 0
st = [(sta[0], 0)]
while not seen[sta[1]]:
    nex = []

    def add(u, v):
        if 0 <= u < n:
            if (u, v) not in pair:
                pair.add((u, v))
                nex.append((u, v))
    
    while st:
        loc, p = st.pop()
        if not seen[loc]:
            seen[loc] = 1
            for u in adj[loc]:
                st.append((loc, power[u]))

        add(loc + p, p)
        add(loc - p, p)

    amt += 1
    st = nex

    if st == [] and not seen[sta[1]]:
        print(-1)
        sys.exit()
    
print(amt - 1)
    

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	27 ms	18236 KB	Output is correct
2	Correct	34 ms	18484 KB	Output is correct
3	Correct	29 ms	18760 KB	Output is correct
4	Correct	33 ms	18484 KB	Output is correct
5	Correct	28 ms	18232 KB	Output is correct
6	Correct	37 ms	18200 KB	Output is correct
7	Correct	35 ms	18220 KB	Output is correct

Subtask #2

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	32 ms	18760 KB	Output is correct
2	Correct	29 ms	18604 KB	Output is correct
3	Correct	33 ms	18364 KB	Output is correct
4	Correct	37 ms	18228 KB	Output is correct
5	Correct	28 ms	18388 KB	Output is correct
6	Correct	37 ms	18236 KB	Output is correct
7	Correct	29 ms	18192 KB	Output is correct
8	Correct	32 ms	18328 KB	Output is correct
9	Correct	29 ms	18236 KB	Output is correct
10	Correct	34 ms	18228 KB	Output is correct
11	Correct	47 ms	19252 KB	Output is correct
12	Correct	54 ms	19968 KB	Output is correct
13	Correct	54 ms	20016 KB	Output is correct
14	Correct	82 ms	24096 KB	Output is correct
15	Correct	72 ms	23600 KB	Output is correct

Subtask #3

14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	18228 KB	Output is correct
2	Correct	29 ms	18140 KB	Output is correct
3	Correct	32 ms	18164 KB	Output is correct
4	Correct	33 ms	18236 KB	Output is correct
5	Correct	33 ms	18236 KB	Output is correct
6	Correct	33 ms	18204 KB	Output is correct
7	Correct	32 ms	18236 KB	Output is correct
8	Correct	30 ms	18172 KB	Output is correct
9	Correct	32 ms	18192 KB	Output is correct
10	Correct	35 ms	18384 KB	Output is correct
11	Correct	45 ms	19136 KB	Output is correct
12	Correct	46 ms	20008 KB	Output is correct
13	Correct	47 ms	20000 KB	Output is correct
14	Correct	69 ms	23996 KB	Output is correct
15	Correct	65 ms	23400 KB	Output is correct
16	Correct	33 ms	18372 KB	Output is correct
17	Correct	60 ms	22932 KB	Output is correct
18	Correct	37 ms	19016 KB	Output is correct
19	Correct	38 ms	18928 KB	Output is correct
20	Correct	58 ms	21168 KB	Output is correct
21	Correct	38 ms	19316 KB	Output is correct
22	Correct	39 ms	18948 KB	Output is correct
23	Correct	68 ms	22960 KB	Output is correct
24	Correct	91 ms	26172 KB	Output is correct
25	Correct	48 ms	19928 KB	Output is correct
26	Correct	63 ms	21828 KB	Output is correct
27	Correct	78 ms	24128 KB	Output is correct
28	Correct	85 ms	26328 KB	Output is correct
29	Correct	85 ms	29016 KB	Output is correct
30	Correct	61 ms	22856 KB	Output is correct
31	Correct	71 ms	26364 KB	Output is correct
32	Correct	73 ms	25092 KB	Output is correct
33	Correct	113 ms	34732 KB	Output is correct
34	Correct	78 ms	32384 KB	Output is correct

Subtask #4

21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	31 ms	18256 KB	Output is correct
2	Correct	28 ms	18248 KB	Output is correct
3	Correct	32 ms	18240 KB	Output is correct
4	Correct	31 ms	18220 KB	Output is correct
5	Correct	31 ms	18196 KB	Output is correct
6	Correct	32 ms	18240 KB	Output is correct
7	Correct	31 ms	18240 KB	Output is correct
8	Correct	28 ms	18376 KB	Output is correct
9	Correct	31 ms	18248 KB	Output is correct
10	Correct	35 ms	18156 KB	Output is correct
11	Correct	37 ms	19520 KB	Output is correct
12	Correct	44 ms	19992 KB	Output is correct
13	Correct	50 ms	20016 KB	Output is correct
14	Correct	68 ms	24108 KB	Output is correct
15	Correct	67 ms	23420 KB	Output is correct
16	Correct	35 ms	18256 KB	Output is correct
17	Correct	71 ms	22940 KB	Output is correct
18	Correct	37 ms	18936 KB	Output is correct
19	Correct	34 ms	19000 KB	Output is correct
20	Correct	53 ms	21284 KB	Output is correct
21	Correct	46 ms	19244 KB	Output is correct
22	Correct	34 ms	18740 KB	Output is correct
23	Correct	69 ms	22912 KB	Output is correct
24	Correct	83 ms	26356 KB	Output is correct
25	Correct	50 ms	19936 KB	Output is correct
26	Correct	56 ms	21764 KB	Output is correct
27	Correct	80 ms	23952 KB	Output is correct
28	Correct	78 ms	26160 KB	Output is correct
29	Correct	84 ms	28980 KB	Output is correct
30	Correct	54 ms	22732 KB	Output is correct
31	Correct	82 ms	26184 KB	Output is correct
32	Correct	69 ms	24944 KB	Output is correct
33	Correct	105 ms	34796 KB	Output is correct
34	Correct	85 ms	31128 KB	Output is correct
35	Correct	95 ms	28892 KB	Output is correct
36	Correct	53 ms	20964 KB	Output is correct
37	Correct	98 ms	28512 KB	Output is correct
38	Correct	111 ms	30028 KB	Output is correct
39	Correct	52 ms	24368 KB	Output is correct
40	Correct	85 ms	26444 KB	Output is correct
41	Correct	94 ms	28540 KB	Output is correct
42	Correct	76 ms	26668 KB	Output is correct
43	Correct	95 ms	26584 KB	Output is correct
44	Correct	69 ms	26760 KB	Output is correct
45	Correct	281 ms	64796 KB	Output is correct
46	Correct	181 ms	54740 KB	Output is correct

Subtask #5

0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	29 ms	18236 KB	Output is correct
2	Correct	28 ms	18228 KB	Output is correct
3	Correct	34 ms	18184 KB	Output is correct
4	Correct	31 ms	18196 KB	Output is correct
5	Correct	32 ms	18228 KB	Output is correct
6	Correct	30 ms	18296 KB	Output is correct
7	Correct	28 ms	18368 KB	Output is correct
8	Correct	29 ms	18236 KB	Output is correct
9	Correct	29 ms	18276 KB	Output is correct
10	Correct	31 ms	18208 KB	Output is correct
11	Correct	43 ms	19168 KB	Output is correct
12	Correct	45 ms	19972 KB	Output is correct
13	Correct	50 ms	19964 KB	Output is correct
14	Correct	67 ms	24028 KB	Output is correct
15	Correct	69 ms	23436 KB	Output is correct
16	Correct	31 ms	18452 KB	Output is correct
17	Correct	61 ms	23060 KB	Output is correct
18	Correct	39 ms	18972 KB	Output is correct
19	Correct	39 ms	18756 KB	Output is correct
20	Correct	55 ms	21104 KB	Output is correct
21	Correct	38 ms	19228 KB	Output is correct
22	Correct	40 ms	19000 KB	Output is correct
23	Correct	66 ms	22944 KB	Output is correct
24	Correct	86 ms	26352 KB	Output is correct
25	Correct	54 ms	20064 KB	Output is correct
26	Correct	56 ms	21820 KB	Output is correct
27	Correct	88 ms	23904 KB	Output is correct
28	Correct	112 ms	26180 KB	Output is correct
29	Correct	80 ms	28972 KB	Output is correct
30	Correct	57 ms	22816 KB	Output is correct
31	Correct	78 ms	26324 KB	Output is correct
32	Correct	66 ms	25076 KB	Output is correct
33	Correct	117 ms	34824 KB	Output is correct
34	Correct	85 ms	31124 KB	Output is correct
35	Correct	101 ms	29252 KB	Output is correct
36	Correct	67 ms	21036 KB	Output is correct
37	Correct	92 ms	28720 KB	Output is correct
38	Correct	114 ms	30400 KB	Output is correct
39	Correct	57 ms	24496 KB	Output is correct
40	Correct	85 ms	26488 KB	Output is correct
41	Correct	104 ms	28600 KB	Output is correct
42	Correct	92 ms	26672 KB	Output is correct
43	Correct	115 ms	26544 KB	Output is correct
44	Correct	74 ms	26668 KB	Output is correct
45	Correct	292 ms	64692 KB	Output is correct
46	Correct	177 ms	54696 KB	Output is correct
47	Correct	96 ms	28976 KB	Output is correct
48	Correct	53 ms	24624 KB	Output is correct
49	Correct	50 ms	24200 KB	Output is correct
50	Correct	50 ms	23132 KB	Output is correct
51	Correct	178 ms	34696 KB	Output is correct
52	Correct	180 ms	37596 KB	Output is correct
53	Correct	109 ms	28316 KB	Output is correct
54	Correct	50 ms	22832 KB	Output is correct
55	Correct	56 ms	25900 KB	Output is correct
56	Correct	92 ms	29000 KB	Output is correct
57	Correct	53 ms	21040 KB	Output is correct
58	Correct	113 ms	34088 KB	Output is correct
59	Correct	109 ms	31160 KB	Output is correct
60	Correct	121 ms	31088 KB	Output is correct
61	Correct	156 ms	32396 KB	Output is correct
62	Correct	262 ms	62528 KB	Output is correct
63	Execution timed out	1067 ms	154632 KB	Time limit exceeded
64	Halted	0 ms	0 KB	-