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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 |
|---|---|---|---|---|---|---|---|---|---|
| #286586 | #5592. Family Visits | mfshi03 | TL | 17ms | 9140kb | Python3 | 1.3kb | 2023-12-18 05:18:46 | 2023-12-18 05:18:47 |
Judging History
answer
# This solution is wrong the smallest solution on kattis is around 700 lines idk?
import sys
sys.setrecursionlimit(1000000)
n, d = map(int, input().split())
mess = [0 for i in range(n)]
times = [0 for i in range(n)]
prefix = [0 for i in range(n + 1)]
for i in range(n):
m, c = map(int, input().split())
mess[i] = m
prefix[i+1] = prefix[i] + m
times[i] = c
cache = dict()
def recur(start, i, target, count):
if target <= 0:
return count
if i < start:
return float("inf")
if (i, target, count) in cache:
return cache[(i, target, count)]
removed = min(times[i], prefix[i+1] - prefix[start])
cache[(i, target, count)] = min(recur(start, i - 1, target - removed, count + 1), recur(start, i - 1, target, count))
return cache[(i, target, count)]
cdays = 0
start = 0
np = False
days = []
for i in range(d):
days.append(int(input()))
for day in days:
if times[day - 1] < mess[day - 1]:
np = True
break
clean_days = recur(start, day - 1, prefix[day] - prefix[start], 0)
#print(clean_days)
#print()
if clean_days == float("inf"):
np = True
break
cdays += clean_days
start = day
if np:
print(-1)
else:
print(cdays)
詳細信息
Test #1:
score: 100
Accepted
time: 13ms
memory: 8972kb
input:
6 2 1 2 2 1 1 4 3 2 3 6 2 3 3 6
output:
3
result:
ok single line: '3'
Test #2:
score: 0
Accepted
time: 12ms
memory: 9132kb
input:
10 5 12 10 0 2 7 1 1 8 3 4 3 4 2 3 1 2 10 1 7 5 2 4 5 6 8
output:
7
result:
ok single line: '7'
Test #3:
score: 0
Accepted
time: 5ms
memory: 9032kb
input:
10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10
output:
10
result:
ok single line: '10'
Test #4:
score: 0
Accepted
time: 11ms
memory: 9068kb
input:
3 1 10 10 10 10 10 0 2
output:
2
result:
ok single line: '2'
Test #5:
score: 0
Accepted
time: 17ms
memory: 9036kb
input:
12 1 1 1 1 1 1 1 0 4 1 1 1 1 1 1 0 6 1 1 1 1 1 1 0 4 12
output:
2
result:
ok single line: '2'
Test #6:
score: 0
Accepted
time: 10ms
memory: 9136kb
input:
6 1 1 0 1 0 1 2 1 0 1 0 1 2 6
output:
-1
result:
ok single line: '-1'
Test #7:
score: 0
Accepted
time: 16ms
memory: 9140kb
input:
9 1 1 0 1 0 1 9 1 0 1 0 1 2 1 0 1 0 1 3 9
output:
-1
result:
ok single line: '-1'
Test #8:
score: 0
Accepted
time: 16ms
memory: 9040kb
input:
6 1 1 0 1 0 1 2 1 0 1 0 1 4 6
output:
2
result:
ok single line: '2'
Test #9:
score: 0
Accepted
time: 5ms
memory: 9016kb
input:
6 1 0 0 0 1 0 2 0 0 0 1 0 2 6
output:
0
result:
ok single line: '0'
Test #10:
score: -100
Time Limit Exceeded
input:
999 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50 51 51 52 52 53...