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Fighting the darkness
##### Submissions: 8043   Accuracy: 38.8%   Difficulty: Basic   Marks: 1

You are given an array A representing size of candles which reduce 1 unit in a day. Room is illuminated using given x candles, where x is the size of array A. Question is to find maximum number of days room is without darkness.

Input:
The first line of input consists of an integer T denoting the number of test cases. T testcases follow. Each test case contains an integer N denoting the size of the array. Then in the next line are N space separated elements of the array.

Output:
For each test case, print the maximum number of days room will be illuminated.

Constraints:
1<=T<=200
1<=N<=107
1<=Elements of array <=1018

Example:
Input:
2
3
1 1 2
5
2 3 4 1 2
Output:
2
4

Explanation:
Testcase1:
The candles' length reduce by 1 in 1 day.
So, at the end of day 1: Sizes would be 0 0 1
So, at end of day 2: Sizes would be 0 0 0.
This means the room was illuminated for 2 days.

#### ** For More Input/Output Examples Use 'Expected Output' option **

Contributor: Ayush Jha
Author: Ayush jha

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