Root of the Problem CodeChef Solution

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Root of the Problem CodeChef Solution in C++17

#include <iostream>
#define ll long long int
int main()
{
    int t;
    std::cin >> t;
    while (t--)
    {
        int n;
        std::cin >> n;
        int id[n], s[n];
        int sum = 0;
        for (int i = 0; i < n; i++)
        {
            std::cin >> id[i] >> s[i];
            sum = sum + id[i] - s[i];
        }
        std::cout << sum << ::std::endl;
    }
    return 0;
}

Root of the Problem CodeChef Solution in C++14

#include<iostream> 
#include<stdio.h>
 using namespace std; 
int main()
 { int t; cin>>t;
 int a,b; 
 while(t--) 
      { int n; 
             cin>>n; int sum1=0; int sum2=0; 
                    for(int i=0;i<n;i++) 
                      { cin>>a>>b; sum1+=a; 
                      sum2+=b;
                   } 
                 cout<<sum1-sum2<<endl; 
        }
     return 0; 
}

Root of the Problem CodeChef Solution in PYTH 3

getd=int(input())

for _ in range(getd):

    Ranga = int(input())

    root = 0

    for j in range(Ranga):

        kadhu,manam = map(int,input().split(' '))

        root +=kadhu - manam

    print(root)

Root of the Problem CodeChef Solution in C

#include <stdio.h>

int main(void) 
{
    int j,t;
    scanf("%d",&t);
    for(j=0;j<t;j++)
    {
        int n,s1=0,s2=0;
        scanf("%d",&n);
        int a[n],b[n],i;
        for(i=0;i<n;i++)
        {
           scanf("%d %d",a+i,b+i); 
           s1=s1+a[i];
           s2=s2+b[i];
        }
        printf("%d\n",s1-s2);
    }
	return 0;
}

Root of the Problem CodeChef Solution in JAVA

/* package codechef; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
	    Scanner s=new Scanner(System.in);
		int c=0;
		int x=0,y=0,j=0,root=0;
		int t=s.nextInt();
		while(t-->0){
			c=s.nextInt();
			int a[]=new int[c] ;
			int arr[]=new int[c];
					
			for( j=0;j<c;j++) {
				 a[j]=s.nextInt();
				 arr[j]=s.nextInt();
				 x=x+a[j];
					y=y+arr[j];
			}
			
			
			System.out.println(x-y);
			x=0;
			y=0;
		}
	   
		// your code goes here
	}
}

Root of the Problem CodeChef Solution in PYPY 3

def tree():
    t = int(input())
    while t:
        left_sum = 0
        right_sum = 0
        n = int(input())
        for i in range(n):
            l_node, r_node = [int(x) for x in input().split()]
            left_sum+= l_node
            right_sum+= r_node
        print(left_sum - right_sum)
        
        t=t-1
tree()

Root of the Problem CodeChef Solution in PYTH

t = int(raw_input());

while(t>0):
    t -= 1;
    ans=0;
    
    n = int(raw_input());
    
    for i in range(n):
        id, cid = map(int, raw_input().split());
      
        ans += id - cid;
        
    print(ans);

Root of the Problem CodeChef Solution in C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CodeChef
{
    class RootOfProblem
    {
        static void Main()
        {
            int T = int.Parse(Console.ReadLine());
            while(T-- > 0)
            {
                int N = int.Parse(Console.ReadLine());
                int TotalSum = 0, IdSum = 0;
                for(int i = 0; i<N; i++)
                {
                    int[] data = Array.ConvertAll(Console.ReadLine().Split(), s => int.Parse(s));
                    IdSum += data[0];
                    TotalSum += data[1];
                }
                Console.WriteLine(IdSum - TotalSum);
            }
            Console.ReadLine();
        }
    }
}

Root of the Problem CodeChef Solution in NODEJS

process.stdin.resume();
process.stdin.setEncoding('utf8');

// your code goes here

let inputString = '';
let currentLine = 0;
const separator = '\n';

process.stdin.on('data', inputStdin => {
    inputString += inputStdin;
});

process.stdin.on('end', _ => {
    inputString = inputString.split(separator).map(string => {
        return string.trim();
    }); 
    main();    
});

function readLine(){
    return inputString[currentLine++];
}

function main() {
    let t = Number(readLine());
    while (t--) {
        // Input begins with an integer T, the number of test cases.
        // Each test case begins with an integer N, the number of nodes
        // in the tree. N lines follow with 2 integers each: the id of
        // a node, and the sum of the ids of its children.
        // The second number will be 0 if the node has no children.
        let n = Number(readLine());
        let root = 0;
        while (n--) {
          const [id, idsum] = readLine().split(' ').map(_ => Number(_));
            root += id - idsum;
        }
        console.log(root);
    }
}

Root of the Problem CodeChef Solution in GO

package main

import (
	"bufio"
	"fmt"
	"os"
)
var w = bufio.NewWriter(os.Stdout)
func printf(f string,a...interface{}){fmt.Fprintf(w,f,a...)}
func main() {
	defer w.Flush()
	var t int
	r := bufio.NewReader(os.Stdin)
	_, _ = fmt.Fscanf(r, "%d\n", &t)
	for ; t > 0; t-- {
	    var nodes int
		_, _ = fmt.Fscanf(r, "%d\n", &nodes)
		var nodeSum, sumChildsSum int
		for ; nodes > 0; nodes-- {
		    var nodeID, sumChildID int
			_, _ = fmt.Fscanf(r, "%d %d\n", &nodeID, &sumChildID)
			nodeSum += nodeID
			sumChildsSum += sumChildID
		}
		
		printf("%d\n", nodeSum-sumChildsSum)
		
	}
}

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