Submission #319172

#	Time	Username	Problem	Language	Result	Execution time	Memory
319172		sofapuden	Odd-even (IZhO11_oddeven)	Cpython 3	Compilation error	0 ms	0 KiB

oddeven

n = int(input())

l = 0
r = n
while(l < r):
  mid = (l+r+1)//2
  cur = (mid*(mid+1))//2
  if(cur > n):
    r = mid-1
    else: l = mid
      if((l*(l+1))//2 != n):l+=1
        print(2*n-l)

Compilation message (stderr)

File "oddeven.py", line 10
    else: l = mid
    ^
SyntaxError: invalid syntax