N integers are passed as input. X which is
an integer is also passed as the input. The program must print the start S and
end E positions of X in these N integers. -1 must be printed as the start and
end positions when X is not present in these N numbers.
Input
Format:
The first line contains N. The second line
contains N integer values separated by a space. The third line contains X.
Output
Format:
The first line contains S and E separated
by a space.
Boundary
Conditions:
2 <= N <= 1000 -9999 <= X <=
9999
Example
Input/Output 1:
Input:
5
1 2 3 1 3 3
Output:
3 5
Example
Input/Output 2:
Input:
7
10 20 10 20 30 40 50 60
Output:
-1 -1
Solution:
n,a,m=int(input()),[int(i) for i in
input().split()],int(input())
x,y=-1,-1
for i in range(n):
if m == a[i]:
x = i+1 if x==-1 else x
y = i+1
print(x,y)