Submission #1285874

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285874		Joon_Yorigami	Art Exhibition (JOI18_art)	Pypy 3	50 / 100	1103 ms	142420 KiB

art

import io,os,sys,itertools
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
n=int(input())
pairs=sorted([*map(int,input().split())]for _ in'1'*n)
pref=[0]+[*itertools.accumulate([b for a,b in pairs])]
ans=max([b for a,b in pairs])
maxi=pairs[0][0]
for i in range(n):
    ans=max(ans,pref[i+1]-pairs[i][0]+maxi)
    maxi=max(maxi,pairs[i][0]-pref[i])
sys.stdout.write(str(ans) + "\n")

Compilation message (stdout)

Compiling 'art.py'...

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  adding: __main__.pyc (deflated 39%)

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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 50