Submission #1285884

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285884		Joon_Yorigami	Art Exhibition (JOI18_art)	Pypy 3	50 / 100	1104 ms	230532 KiB

art

import sys
n,*inp,=map(int,open(0).read().split())
it=iter(inp)
pairs=sorted(zip(it,it))
ans=0
pref=[0]
acc=0
for a,b in pairs:
    ans=max(ans,b)
    acc+=b
    pref.append(acc)
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 25%)

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