Submission #3059738

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Source Code Expand

def str2min(x):
  return int(x[:2])*60+int(x[2:])

def min2str(x):
  return "%04d" % (x//60*100+x%60)
 
N = int(input())
SE = []
for i in range(N):
  s, e = map(str2min, input().split("-"))
  s = s//5
  e = -(-e//5)
  SE.append((s,e))
    
SE.sort()

prev_s, prev_e = None, None
for s, e in SE:
  if prev_s is None:
    prev_s, prev_e = s, e
  elif prev_e < s:
    print(*map(min2str,[prev_s*5, prev_e*5]), sep="-")
    prev_s, prev_e = s, e
  else:
    prev_e = max(prev_e, e)
print(*map(min2str,[prev_s*5, prev_e*5]), sep="-")
    

Submission Info

Judge Result