My Code is this:
Scanner in = new Scanner(System.in);
int t = in.nextInt();
while(t-- > 0) {
int n = in.nextInt();
long[] s = new long[n];
for(int k = 0; k < n; k++)
s[k] = in.nextLong();
long tokens = 0;
while(n >= 0) {
int count = 0;
for(int i = 0; i < n ; i++) {
if(s[i] > 0) {
count++;
s[i] = s[i] - 1;
}else if(s[i] == 0) {
n = i+1;
break;
}
}
tokens += (count +1);
}
System.out.println(tokens);
}
plzz help