public static int checker ( int [ ] [ ] ans , int i , int j , int m , int n ) {
  int temp = 0 ;
  for ( int a = 0 ;
  a < m ;
  a ++ ) {
    temp += ans [ a ] [ j ] ;
  }
  for ( int a = 0 ;
  a < n ;
  a ++ ) {
    temp += ans [ i ] [ a ] ;
  }
  if ( temp == 0 ) {
    return 0 ;
  }
  else {
    return 1 ;
  }
}

public static int checker ( int [ ] [ ] ans , int i , int j , int m , int n ) { int temp = 0 ; for ( int a = 0 ; a < m ; a ++ ) { temp += ans [ a ] [ j ] ; } for ( int a = 0 ; a < n ; a ++ ) { temp += ans [ i ] [ a ] ; } if ( temp == 0 ) { return 0 ; } else { return 1 ; } }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (return_statement (decimal_integer_literal))) alternative: (block (return_statement (decimal_integer_literal))))))