Submission #1285908

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285908		Joon_Yorigami	Art Exhibition (JOI18_art)	Pypy 3	0 / 100	147 ms	48596 KiB

art

n,*r,=map(int,open(z:=0).read().split())
p=[0]
indices=[*range(n)]
indices.sort(key=lambda x:r[(x<<1)])
acc=0
for _ in indices:
    b=r[(_<<1)+1]
    acc+=b
    p.append(acc)
maxi=r[(indices[0]<<1)]
for i in range(n):
    a=r[indices[i]<<1]
    z=max(z,p[i+1]-a+maxi)
    maxi=max(maxi,a-p[i])
print(z)

Compilation message (stdout)

Compiling 'art.py'...

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  adding: __main__.pyc (deflated 30%)

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