marut_vs_devil problem

marut_vs_devil.js

function main(input) {
    //Enter your code here
    inputs=input.split("\n");
    
    var t=parseInt(inputs[0]);
    var i=1;
    var j;
    
    while(t--)
    {
    	var D=inputs[i].split(" ").map(Number);
    	var A=inputs[++i].split(" ").map(Number);
    	i++;
    	N=D[0];
    	E=-D[1];
    	V=D[2];
    	
    	for(j=0;j<N;j++)
    	{
    	    E=E+A[j];
    	}
    	if(E<0)
    	   console.log("0");
    	else
    	   console.log(parseInt((E/V)+1));
    }
    
}
 
process.stdin.resume();
process.stdin.setEncoding("utf-8");
var stdin_input = "";
 
process.stdin.on("data", function (input) {
    stdin_input += input;
});
 
process.stdin.on("end", function () {
   main(stdin_input);
});