This problem http://www.codechef.com/problems/DOORS

Gives TLE.

```
from math import sqrt
t = int(input())
while t>0:
n = int(input())
print int(sqrt(n))
t -= 1
```

This problem http://www.codechef.com/problems/DOORS

Gives TLE.

```
from math import sqrt
t = int(input())
while t>0:
n = int(input())
print int(sqrt(n))
t -= 1
```

program is going to be waiting for you to input n, t times

If you do not provide input it is going to be waiting forever!!!

What do you want to do??

use fast i/o. That should work for this problem.

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