Driver code
public static void main ( String args [ ] ) { int a [ ] [ ] = { { 2 , 9 , 1 , 4 , - 2 } , { 6 , 7 , 2 , 11 , 4 } , { 4 , 2 , 9 , 2 , 4 } , { 1 , 9 , 2 , 4 , 4 } , { 0 , 2 , 4 , 2 , 5 } } ; System . out . print ( HalfDiagonalSums ( a , 5 ) ? " Yes " : " No " ) ; } }