Actually the number of digits is not known. Please answer an easy and descriptive solution in C++.
8 10 -6 -5 -6 10 -7 8 -5 -10
-4 -10 -5 -9 10 10 4 -9 -7 -6
5 4 -1 -10 -2 -6 -1 -7 8 8
1 -6 -7 2 1 -8 8 -5 -10 6
-2 10 6 10 3 -8 -8 -4 3 4
5 8 9 -10 -3 0 8 -1 3 -4
5 -9 -8 8 -6 -7 2 -10 2 0
-9 0 -3 10 9 -10 -2 2 1 8
8 3 -6 -3 3 -10 6 0 10 -1
3 8 -6 8 5 -5 -7 7 2 0
-5 6 7 3 -10 -10 5 5 -6 -1
-2 3 -3 6 4 -4 3 7 1 -4
6 10 7 -1 0 -9 10 -8 3 -8
4 4 10 5 6 0 4 -4 9 6
6 10 -5 1 -6 -9 4 -4 10 1
10 -3 7 8 5 4 -9 7 7 -6
-5 -7 -4 -5 10 -1 -6 -1 3 -9
9 -7 6 10 -6 5 0 -3 -4 -7
9 9 9 5 2 -3 0 6 -10 -5
8 4 3 8 -9 -10 7 9 -4 10
0 -3 5 -7 0 -7 9 -4 8 -9
10 -3 6 8 -8 2 5 -8 10 0
-4 -3 5 -7 4 0 6 -2 -9 7
-2 10 3 2 4 -8 8 -6 -6 -4
-8 5 -3 -4 -6 5 10 -9 -2 9
-5 1 7 3 -9 7 2 -2 -2 7
-8 -10 -4 0 10 3 9 1 -4 1
10 0 -6 8 4 6 6 -8 2 -3
-10 7 10 -6 -3 6 10 10 -2 -9
-7 2 -1 -6 3 7 0 -1 -9 5
-4 8 -1 7 8 6 -9 6 -4 8
0 -6 -2 10 -7 10 10 -5 -7 -6
-1 -7 6 -8 1 -5 -8 9 -5 1
8 2 3 7 6 3 -8 5 -7 1
3 8 -5 -5 -10 6 -6 -10 -9 8
0 -10 -2 -2 8 7 1 3 -8 1
5 -8 3 2 5 -5 10 6 0 6
-2 -3 -9 2 0 2 7 -2 -9 -1
-2 -2 -7 6 -10 7 9 1 -5 10
-3 -10 1 1 8 2 3 -5 7 -3
3 -8 9 -5 9 6 -8 3 -7 7
8 4 -2 10 9 -10 -5 1 3 2
7 -7 1 -1 -9 -9 -6 7 -4 -5
1 -6 8 -10 -8 3 -9 2 5 0
6 3 -6 9 -4 8 -3 -6 -8 -2
-10 9 5 -7 8 0 -7 6 7 -7
-7 5 -7 -1 -7 -8 0 0 -2 10
1 1 6 -2 -9 -3 -5 -6 -5 -1
5 -7 -7 -3 -3 0 -1 -10 -10 0
3 -1 5 6 3 -10 -7 4 -1 3