Submission #337970

#	Time	Username	Problem	Language	Result	Execution time	Memory
337970		amunduzbaev	Odd-even (IZhO11_oddeven)	Cpython 3	0 / 100	2033 ms	2796 KiB

oddeven

n = int(input())
sz = 1
last = 1
prev = 0
i = 2
while (sz < n):
    prev = last
    last += (i*2)-1
    sz += i
    i+=1
if(sz == n):
    print(last % 10)
else :
    while(sz > n and prev < last):
        last -= 2
        sz -= 1
    print(last)

• Subtask 1: 0 / 100