Submission #18220981

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Source Code Expand

N, K = map(int, input().split())

# a = []
# b = []
# for _ in range(N):
#     a_, b_  = map(int, input().split())
#     a.append(a_)
#     b.append(b_)
    
ab = [list(map(int, input().split())) for _ in range(N)]
    
time = 0
for _ in range(K):
    ab.sort()
    time += ab[0][0]
    ab[0][0] += ab[0][1]
    
print(time)

Submission Info

Judge Result