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Submission #338451

# Submission time Handle Problem Language Result Execution time Memory
338451 2020-12-23T07:15:28 Z amunduzbaev Odd-even (IZhO11_oddeven) C++14
Compilation error
 0 ms 0 KB 
x = int(input())
l = 1
r = math.sqrt(x)
while (l < r):
    m = (l + r)//2
    if((m*(m+1)//2) > x):
        r = m-1
    elif(((m+1)*(m+2)//2) < x):
        l = m+1
    else:
        break
 
ans = (l + r)//2
need = x - ans*(ans+1)//2
if(need == 0):
    aa = ans * ans
else :
    aa = ans * ans+1 +((need-1)*2)
print(aa)

Compilation message

oddeven.cpp:1:1: error: 'x' does not name a type
    1 | x = int(input())
      | ^