public static void main ( String [ ] args ) {
  int mat [ ] [ ] = {
    {
      1 , 1 , 1 , 1 , 1 }, {
        2 , 2 , 2 , 2 , 2 }, {
          3 , 3 , 3 , 3 , 3 }, {
            4 , 4 , 4 , 4 , 4 }, {
              5 , 5 , 5 , 5 , 5 }, };
              int k = 3 ;
              printSumTricky ( mat , k ) ;
            }
            
public static void main ( String [ ] args ) { int mat [ ] [ ] = { { 1 , 1 , 1 , 1 , 1 } , { 2 , 2 , 2 , 2 , 2 } , { 3 , 3 , 3 , 3 , 3 } , { 4 , 4 , 4 , 4 , 4 } , { 5 , 5 , 5 , 5 , 5 } , } ; int k = 3 ; printSumTricky ( mat , k ) ; }
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