Submission #4193242

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Source Code Expand

f='{:02d}'.format
t=[0]*1500
for _ in range(int(input())):
  s,g=input().split('-')
  s=int(s[:2])*60+int(s[2])*10+int(s[3])//5*5
  g=int(g[:2])*60+int(g[2])*10-(-int(g[3])//5)*5
  t[s]+=1
  t[g+1]-=1
for i in range(1500):t[i]+=t[i-1]
a=''
i=0
while i<1500:
  while i<1500 and not t[i]:i+=1
  if i>1499:break
  a+=f(i//60)+f(i%60)+'-'
  while t[i]:i+=1
  a+=f(~-i//60)+f(~-i%60)+'\n'
print(a,end='')

Submission Info

Judge Result