제출 #632621

#제출 시각아이디문제언어결과실행 시간메모리
632621karolb2011Potatoes and fertilizers (LMIO19_bulves)Cpython 3
24 / 100
1086 ms22812 KiB
import sys
input = sys.stdin.readline
n=int(input())
w=0
t=0
p=0
s=[]
for i in range(n):
    pi,bi=list(map(int,input().split()))
    p+=pi-bi
    if p>=1:
        w+=p
        t+=p-1
    else:
        w-=p
        t-=p-1
    s.append(w-t)
if p>0:
    for i in range(n):
        w=min(w,s[i]+t)
print(w)
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