Submission #633065

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
633065	2022-08-21T14:15:26 Z	karolb2011	Potatoes and fertilizers (LMIO19_bulves)	Python 3	24 / 100	833 ms	26792 KB

bulves

import sys
import heapq as hq
input = sys.stdin.readline
n=int(input())
t=0
p=0
s=[]
ww=0
z=[]
for i in range(n):
    pi,bi=list(map(int,input().split()))
    p+=pi-bi
    s.append(p)
if p==0:
    for c in s:
        ww+=abs(c)
elif p==1:
    for c in s:
        if c>=1:
            w+=c
            t+=c-1
        else:
            w-=c
            t-=c-1
        z.append(w-t)
    print(min(t,min(z)+t))
        
else:
    w=[]
    for c in s:
        if c<0:
            ww-=c
            c=0
        elif c>p:
            ww+=c-p
            c=p
        hq.heappush(w,-c)
        if w[0]<-c:
            hq.heappush(w,-c)
            ww+=abs(-hq.heappop(w)-c)
print(ww)

Subtask #1

24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	18 ms	2892 KB	Output is correct
2	Correct	20 ms	2908 KB	Output is correct
3	Correct	20 ms	3060 KB	Output is correct
4	Correct	99 ms	4944 KB	Output is correct
5	Correct	180 ms	6944 KB	Output is correct
6	Correct	401 ms	12948 KB	Output is correct
7	Correct	833 ms	22964 KB	Output is correct
8	Correct	814 ms	26792 KB	Output is correct
9	Correct	819 ms	22808 KB	Output is correct
10	Correct	829 ms	13688 KB	Output is correct
11	Correct	782 ms	16340 KB	Output is correct

Subtask #2

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	18 ms	2892 KB	Output is correct
2	Correct	20 ms	2908 KB	Output is correct
3	Correct	20 ms	3060 KB	Output is correct
4	Correct	99 ms	4944 KB	Output is correct
5	Correct	180 ms	6944 KB	Output is correct
6	Correct	401 ms	12948 KB	Output is correct
7	Correct	833 ms	22964 KB	Output is correct
8	Correct	814 ms	26792 KB	Output is correct
9	Correct	819 ms	22808 KB	Output is correct
10	Correct	829 ms	13688 KB	Output is correct
11	Correct	782 ms	16340 KB	Output is correct
12	Runtime error	179 ms	8028 KB	Execution failed because the return code was nonzero
13	Halted	0 ms	0 KB	-

Subtask #3

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	18 ms	2892 KB	Output is correct
2	Correct	20 ms	2908 KB	Output is correct
3	Correct	13 ms	2880 KB	Output is correct
4	Correct	15 ms	2900 KB	Output is correct
5	Correct	17 ms	3052 KB	Output is correct
6	Correct	27 ms	3132 KB	Output is correct
7	Correct	21 ms	3028 KB	Output is correct
8	Correct	22 ms	3028 KB	Output is correct
9	Correct	18 ms	3156 KB	Output is correct
10	Runtime error	17 ms	2896 KB	Execution failed because the return code was nonzero
11	Halted	0 ms	0 KB	-

Subtask #4

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	18 ms	2892 KB	Output is correct
2	Correct	20 ms	2908 KB	Output is correct
3	Correct	20 ms	3060 KB	Output is correct
4	Correct	13 ms	2880 KB	Output is correct
5	Correct	15 ms	2900 KB	Output is correct
6	Correct	17 ms	3052 KB	Output is correct
7	Correct	27 ms	3132 KB	Output is correct
8	Correct	21 ms	3028 KB	Output is correct
9	Correct	22 ms	3028 KB	Output is correct
10	Correct	18 ms	3156 KB	Output is correct
11	Runtime error	17 ms	2896 KB	Execution failed because the return code was nonzero
12	Halted	0 ms	0 KB	-

Subtask #5

0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	18 ms	2892 KB	Output is correct
2	Correct	20 ms	2908 KB	Output is correct
3	Correct	20 ms	3060 KB	Output is correct
4	Correct	13 ms	2880 KB	Output is correct
5	Correct	15 ms	2900 KB	Output is correct
6	Correct	17 ms	3052 KB	Output is correct
7	Correct	27 ms	3132 KB	Output is correct
8	Correct	21 ms	3028 KB	Output is correct
9	Correct	22 ms	3028 KB	Output is correct
10	Correct	18 ms	3156 KB	Output is correct
11	Correct	99 ms	4944 KB	Output is correct
12	Correct	180 ms	6944 KB	Output is correct
13	Correct	401 ms	12948 KB	Output is correct
14	Correct	833 ms	22964 KB	Output is correct
15	Correct	814 ms	26792 KB	Output is correct
16	Correct	819 ms	22808 KB	Output is correct
17	Correct	829 ms	13688 KB	Output is correct
18	Correct	782 ms	16340 KB	Output is correct
19	Runtime error	179 ms	8028 KB	Execution failed because the return code was nonzero
20	Halted	0 ms	0 KB	-