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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#265893 | #5110. Splitstream | juampi | RE | 41ms | 11776kb | Python3 | 1.2kb | 2023-11-25 22:10:16 | 2023-11-25 22:10:16 |
Judging History
answer
import sys
M, N, Q = map(int, input().split())
nd = [[] for _ in range(1)]
mx = 0
for _ in range(1, N+1):
ch, x, y, z = input().split()
x, y, z = int(x), int(y), int(z)
mx = max(mx, x, y, z)
if ch == 'S':
nd.append([x, 0, y, z])
else:
nd.append([x, y, z, 0])
oin = [0] * (mx+1)
oout = [0] * (mx+1)
for i in range(1, N+1):
oin[nd[i][0]] = oin[nd[i][1]] = oout[nd[i][2]] = oout[nd[i][3]] = i
osz = [-1] * (mx+1)
osz[0] = 0
def rec(x, sz):
osz[x] = sz
if oin[x] == 0:
return
v = nd[oin[x]]
if osz[v[0]] == -1 or osz[v[1]] == -1:
return
if v[1]:
rec(v[2], osz[v[0]]+osz[v[1]])
else:
rec(v[2], (osz[v[0]]+1)//2)
rec(v[3], osz[v[0]]//2)
rec(1, M)
for i in range(2, mx+1):
if not oout[i]:
rec(i, 0)
for _ in range(Q):
x, k = map(int, input().split())
if k > osz[x]:
print("none")
continue
while x != 1:
v = nd[oout[x]]
if v[1]:
sz = min(osz[v[0]], osz[v[1]])
if k <= 2 * sz:
x = v[not k % 2]
k = (k+1) // 2
else:
x = v[osz[v[1]] > osz[v[0]]]
k -= sz
else:
k = 2 * k - (v[2] == x)
x = v[0]
print(k)
详细
Test #1:
score: 100
Accepted
time: 5ms
memory: 9048kb
input:
5 8 26 M 8 9 13 S 2 4 5 S 1 2 3 M 6 5 8 S 4 9 10 S 10 14 15 S 3 6 7 S 7 11 12 2 3 2 4 3 2 3 3 4 2 4 3 5 1 5 2 6 1 6 2 7 1 7 2 8 2 8 3 9 1 9 2 10 1 10 2 11 1 11 2 12 1 13 3 13 4 14 1 14 2 15 1
output:
5 none 4 none 5 none 3 none 2 none 4 none 3 none 1 none 5 none 4 none none 3 none 5 none none
result:
ok 26 lines
Test #2:
score: 0
Accepted
time: 35ms
memory: 11776kb
input:
1000000000 8191 1000 S 1 2 3 S 2 4 5 S 3 6 7 S 4 8 9 S 5 10 11 S 6 12 13 S 7 14 15 S 8 16 17 S 9 18 19 S 10 20 21 S 11 22 23 S 12 24 25 S 13 26 27 S 14 28 29 S 15 30 31 S 16 32 33 S 17 34 35 S 18 36 37 S 19 38 39 S 20 40 41 S 21 42 43 S 22 44 45 S 23 46 47 S 24 48 49 S 25 50 51 S 26 52 53 S 27 54 55...
output:
1 3 999999999 499999999 333333331 999999997 499999997 333333329 2 4 1000000000 500000000 333333332 999999998 499999998 333333330 1 5 999999997 499999997 333333329 999999993 499999993 333333325 3 7 999999999 499999999 333333331 999999995 499999995 333333327 2 6 999999998 499999998 333333330 999999994...
result:
ok 1000 lines
Test #3:
score: 0
Accepted
time: 41ms
memory: 11532kb
input:
1000000000 8190 1000 S 1 2 3 M 8193 8194 8192 S 2 4 5 M 8195 8196 8193 S 3 6 7 M 8197 8198 8194 S 4 8 9 M 8199 8200 8195 S 5 10 11 M 8201 8202 8196 S 6 12 13 M 8203 8204 8197 S 7 14 15 M 8205 8206 8198 S 8 16 17 M 8207 8208 8199 S 9 18 19 M 8209 8210 8200 S 10 20 21 M 8211 8212 8201 S 11 22 23 M 821...
output:
1 2 1000000000 500000000 333333333 999999999 499999999 333333332 1 1 3 3 999999999 999999999 499999999 499999999 333333331 333333331 999999997 999999997 499999997 499999997 333333329 333333329 2 2 4 4 1000000000 1000000000 500000000 500000000 333333332 333333332 999999998 999999998 499999998 4999999...
result:
ok 1000 lines
Test #4:
score: -100
Dangerous Syscalls
input:
1000000000 10000 1000 S 1 2 3 S 2 4 5 S 4 6 7 S 6 8 9 S 8 10 11 S 10 12 13 S 12 14 15 S 14 16 17 S 16 18 19 S 18 20 21 S 20 22 23 S 22 24 25 S 24 26 27 S 26 28 29 S 28 30 31 S 30 32 33 S 32 34 35 S 34 36 37 S 36 38 39 S 38 40 41 S 40 42 43 S 42 44 45 S 44 46 47 S 46 48 49 S 48 50 51 S 50 52 53 S 52 ...