Submission #632986

#	Time	Username	Problem	Language	Result	Execution time	Memory
632986		karolb2011	Potatoes and fertilizers (LMIO19_bulves)	Cpython 3	0 / 100	1080 ms	29588 KiB

bulves

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

• Subtask 1: 0 / 24
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 10
• Subtask 5: 0 / 36