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#include <iostream>
using namespace std;
 
int main() {
	var swap = function(data, i, j){ 
	    var tmp = data[i];
	    data[i] = data[j];
	    data[j] = tmp;
	};
 
	var shellSort = function(data){
	    var gap = parseInt(data.length/2);
	    while(gap>0){
	        for(var k = 0; k < gap; k++){
	            for(var i = k + gap; i < data.length; i += gap){
	                for(var j = i - gap; j >= k; j -= gap){
	                    if(data[j] > data[j+gap])
	                        swap( data, j, j+gap);
	                    else
	                        break;
	                }
	            }
	        }
	        gap = parseInt(gap/= 2);
	    }
	};
	return 0;
}
 
 

prog.cpp: In function ‘int main()’:
prog.cpp:5:2: error: ‘var’ was not declared in this scope
  var swap = function(data, i, j){
  ^~~
prog.cpp:11:6: error: expected ‘;’ before ‘shellSort’
  var shellSort = function(data){
      ^~~~~~~~~
prog.cpp:28:1: error: expected ‘}’ at end of input
 }
 ^

Standard output is empty