# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
538257 | tkwiatkowski | Art Exhibition (JOI18_art) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
def solve():
n = int(input())
artworks = []
for i in range(n):
artworks.append(list(map(int, input().split())))
artworks.sort()
maxx = -10**18
ans = 0
pref = 0
for a, b in artworks:
maxx = max(a - pref, maxx)
pref += b
ans = max(maxx + pref - a, ans)
print(ans)
solve()