Help me in solving MAKE0 problem

My issue

Can anyone explain the las testcase

My code

#include <bits/stdc++.h>
using namespace std;

int main() {
	// your code goes here

}

Problem Link: Make All Zero Practice Coding Problem - CodeChef

@minuszeropoint
9
5 3 3 5 2 4 5 2 1
first i=9
4 2 2 4 1 3 4 1 0
second i=8
3 1 1 3 0 2 3 0 0
third i=3
2 0 0 3 0 2 3 0 0
then do it separately
so 3+4 =7 operations.