Sum this up CodeChef Solution

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Sum this up CodeChef Solution in C++17

#include <bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ll long long
using namespace std;

int main() {
	fastio
	int T, L;
	string S;
	cin >> T;
	while (T--) {
		cin >> L;
		ll total = 0, X;
		for (int i = 0; i < L; i++) {
			cin >> X;
			total += X;
		}
		cout << total / L << '\n';
	}
}

Sum this up CodeChef Solution in C++14

#include <bits/stdc++.h>
//for policy based ds //p.order_of_key() -> returns index of value //*p.find_by_order(3) ->value at index
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp>
#include <functional> // for less

using namespace __gnu_pbds; //for policy based ds
using namespace std;

#define int long long
#define pii pair<int, int>
#define vi vector<int>
#define maxHeap priority_queue<int>;
#define minHeap priority_queue<int, vi, greater<int>>
#define mod 3046201
#define inf 1e18
#define rep(i, s, n) for (int i = s; i < n; i++)
#define sp(ans, pre) fixed << setprecision(pre) << y
#define pb push_back
#define srt(v) sort(v.begin(), v.end())
#define all(v) begin(v), end(v)
#define inputArr(i, arr) \
    for (int &i : arr)   \
        cin >> i;
#define ll long long
#define ull unsigned long long
#define lld long double
#define kickPrint(tt) cout << "Case #" << tt << ": "

typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> pbds;

time_t Begin;

//////////////////Debug///////////////
#define debug(x)       \
    cout << #x << " "; \
    _print(x);         \
    cout << endl;
void _print(ll t)
{
    cout << t;
}
//void _print(int t) {cout << t;}
void _print(string t) { cout << t; }
void _print(char t) { cout << t; }
void _print(lld t) { cout << t; }
void _print(double t) { cout << t; }
void _print(ull t) { cout << t; }
void display(ll a[], ll n)
{
    for (ll i = 0; i < n; i++)
    {
        cout << a[i] << " ";
    }
    cout << endl;
}

template <class T, class V>
void _print(pair<T, V> p);
template <class T>
void _print(vector<T> v);
template <class T>
void _print(set<T> v);
template <class T, class V>
void _print(map<T, V> v);
template <class T>
void _print(multiset<T> v);
template <class T, class V>
void _print(pair<T, V> p)
{
    cout << "{";
    _print(p.ff);
    cout << ",";
    _print(p.ss);
    cout << "}";
}
template <class T>
void _print(vector<T> v)
{
    cout << "[ ";
    for (T i : v)
    {
        _print(i);
        cout << " ";
    }
    cout << "]";
}
template <class T>
void _print(set<T> v)
{
    cout << "[ ";
    for (T i : v)
    {
        _print(i);
        cout << " ";
    }
    cout << "]";
}
template <class T>
void _print(multiset<T> v)
{
    cout << "[ ";
    for (T i : v)
    {
        _print(i);
        cout << " ";
    }
    cout << "]";
}
template <class T, class V>
void _print(map<T, V> v)
{
    cout << "[ ";
    for (auto i : v)
    {
        _print(i);
        cout << " ";
    }
    cout << "]";
}
template <typename T, typename U>
inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U>
inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; }

void init()
{
    Begin = clock();
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
}
void timeTaken()
{
#ifndef ONLINE_JUDGE
    double time_taken = double(clock() - Begin) / double(CLOCKS_PER_SEC);
    cout << "Execution Time: " << fixed << setprecision(5) << time_taken << "s\n";
#endif
}

vector<int> computeLps(string s, int M)
{
    int len = 0;
    vector<int> lps(M + 20);

    lps[0] = 0;

    int i = 1;
    while (i < M)
    {
        if (s[i] == s[len])
        {
            len++;
            lps[i] = len;
            i++;
        }
        else
        {
            if (len != 0)
            {
                len = lps[len - 1];
            }
            else
            {
                lps[i] = 0;
                i++;
            }
        }
    }
    // debug(len);
    return lps;
}

int ceiling(int x, int y)
{
    int res = x / y;
    if (x % y)
    {
        if (x >= 0)
            res++;
    }
    return res;
}

vector<vector<int>> makePrefix(vector<vector<int>> &grid)
{
    int n = grid.size(), m = grid[0].size();
    vector<vector<int>> prefix(n + 1, vector<int>(m + 1));

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            prefix[i + 1][j + 1] = grid[i][j] + prefix[i][j + 1] + prefix[i + 1][j] - prefix[i][j];
        }
    }

    return prefix;
}

int query(int x1, int y1, int x2, int y2, vector<vector<int>> &prefix)
{
    // cout << x1 << " " << y1 << " " << x2 << " " << y2 << endl;

    // cout << "query: " << prefix[x2 + 1][y2 + 1] << " " << prefix[x2 + 1][y1] << " " << prefix[x1][y2 + 1] << " " << prefix[x1][y2] << endl;
    return prefix[x2 + 1][y2 + 1] - prefix[x2 + 1][y1] - prefix[x1][y2 + 1] + prefix[x1][y1];
}

int toInt(string &s)
{
    int res = 0;
    for (char c : s)
        res = res * 10 + (c - '0');
    return res;
}

bool isValid(int i, int j, int n, int m)
{
    return i >= 0 && i < n && j >= 0 && j < m;
}

int dx[] = {-1, 0, 0, 1};
int dy[] = {0, 1, -1, 0};

int moduloExponentiation(int a, int b, int m)
{
    if (b == 0)
        return 1;

    int res = moduloExponentiation(a, b / 2, m);
    res = (res * res) % m;

    if (b % 2)
        res = (res * a) % m;
    return res;
}

class segmentTree
{
    vector<int> arr;
    vector<int> queryArr;

public:
    segmentTree(vector<int> &a)
    {
        arr = a;
        queryArr = vector<int>(a.size() * 4);
        build(0, 0, arr.size() - 1);
    }

    void build(int node, int low, int high)
    {
        if (low == high)
        {
            queryArr[node] = arr[low];
            return;
        }
        // cout << node << endl;
        int mid = low + (high - low) / 2;
        int leftChild = node * 2 + 1;
        int rightChild = node * 2 + 2;

        build(leftChild, low, mid);
        build(rightChild, mid + 1, high);
        queryArr[node] = (queryArr[leftChild] + queryArr[rightChild]);
    }

    void update(int node, int low, int high, int idx, int val)
    {
        if (low == high)
        {
            arr[idx] = val;
            queryArr[node] = val;
            return;
        }
        int mid = low + (high - low) / 2;
        if (low <= idx && idx <= mid)
            update(node * 2 + 1, low, mid, idx, val);
        else
            update(node * 2 + 2, mid + 1, high, idx, val);

        queryArr[node] = (queryArr[node * 2 + 1] + queryArr[node * 2 + 2]);
    }

    int query(int node, int low, int high, int left, int right)
    {
        if (right < low || left > high)
            return 0;

        if (left <= low && high <= right)
            return queryArr[node];

        int mid = low + (high - low) / 2;

        int leftRes = query(node * 2 + 1, low, mid, left, right);
        int rightRes = query(node * 2 + 2, mid + 1, high, left, right);

        return (leftRes + rightRes);
    }
};

vector<int> calcModInverse(int n, int m)
{
    vector<long long> modInverse(n + 1);
    modInverse[0] = 1;
    modInverse[1] = 1;
    for (long long i = 2; i <= n; i++)
        modInverse[i] = (m - ((m / i) * modInverse[m % i]) % m) % m;
    return modInverse;
}

vector<int> calcFac(int n)
{
    vector<int> fac(n + 1);
    fac[0] = 1;

    for (int i = 1; i <= n; i++)
        fac[i] = (fac[i - 1] * i) % mod;

    return fac;
}

vector<int> calcFacModInverse(vector<int> modInverse, int n)
{
    vector<int> fac(n + 1);
    fac[0] = 0;

    for (int i = 1; i <= n; i++)
    {
        fac[i] = (fac[i - 1] * modInverse[i]) % mod;
    }

    return fac;
}

const int MX = 1e7 + 10;
// const int MX = 100000;
int32_t main()
{
    init();
    //--------------------
    int t = 1;
    cin >> t;
    for (int tt = 1; tt <= t; tt++)
    {
        int n;
        cin >> n;
        int sum = 0;
        for (int i = 0; i < n; i++)
        {
            int x;
            cin >> x;
            sum += x;
        }

        cout << sum / n << "\n";
    }
    //---------------------------
    timeTaken();
    return 0;
}

Sum this up CodeChef Solution in PYTH 3

i=input
for j in[0]*int(i()):i();*a,=map(int,i().split());print(sum(a)//len(a))

Sum this up CodeChef Solution in C

#include <stdio.h>

int main()
{
    int t;
    scanf("%d",&t);
    while(t--){
        long long int n,i;
        scanf("%lld",&n);
        long long int a[n+1],sum=0;
        for(i=0;i<n;i++){
            scanf("%lld",&a[i]);
            sum+=a[i];
        }
        printf("%d\n",sum/n);
    }
    return 0;
}

Sum this up 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 {
		// your code goes here
		Scanner scanner = new Scanner(System.in);
		
		int test = Integer.parseInt(scanner.nextLine());
		
		while (test-- > 0) {
		    int length = Integer.parseInt(scanner.nextLine());
		    String[] input = scanner.nextLine().split(" ");
		    
		    long sum = 0; 
		    for (String number: input) {
		        sum += Long.parseLong(number);
		    }
		    
		    System.out.println(sum/input.length);
		    
		}
		
	}
}

Sum this up CodeChef Solution in PYPY 3

for _ in range(int(input())):
    n=int(input())
    print(sum(list(map(int,input().split())))//n)
    

Sum this up CodeChef Solution in GO

package main

import (
	"bufio"
	"bytes"
	"fmt"
	"os"
)

func main() {
	reader := bufio.NewReader(os.Stdin)

	tc := readNum(reader)
	var buf bytes.Buffer
	for tc > 0 {
		tc--
		n := readNum(reader)
		A := readNNums(reader, n)
		res := solve(A)
		buf.WriteString(fmt.Sprintf("%d\n", res))
	}
	fmt.Println(buf.String())
}

func readInt(bytes []byte, from int, val *int) int {
	i := from
	sign := 1
	if bytes[i] == '-' {
		sign = -1
		i++
	}
	tmp := 0
	for i < len(bytes) && bytes[i] >= '0' && bytes[i] <= '9' {
		tmp = tmp*10 + int(bytes[i]-'0')
		i++
	}
	*val = tmp * sign
	return i
}

func readString(reader *bufio.Reader) string {
	s, _ := reader.ReadString('\n')
	for i := 0; i < len(s); i++ {
		if s[i] == '\n' {
			return s[:i]
		}
	}
	return s
}

func readNum(reader *bufio.Reader) (a int) {
	bs, _ := reader.ReadBytes('\n')
	readInt(bs, 0, &a)
	return
}

func readTwoNums(reader *bufio.Reader) (a int, b int) {
	res := readNNums(reader, 2)
	a, b = res[0], res[1]
	return
}

func readThreeNums(reader *bufio.Reader) (a int, b int, c int) {
	res := readNNums(reader, 3)
	a, b, c = res[0], res[1], res[2]
	return
}

func readNNums(reader *bufio.Reader, n int) []int {
	res := make([]int, n)
	x := 0
	bs, _ := reader.ReadBytes('\n')
	for i := 0; i < n; i++ {
		for x < len(bs) && (bs[x] < '0' || bs[x] > '9') && bs[x] != '-' {
			x++
		}
		x = readInt(bs, x, &res[i])
	}
	return res
}

func readUint64(bytes []byte, from int, val *uint64) int {
	i := from

	var tmp uint64
	for i < len(bytes) && bytes[i] >= '0' && bytes[i] <= '9' {
		tmp = tmp*10 + uint64(bytes[i]-'0')
		i++
	}
	*val = tmp

	return i
}

func solve(A []int) int {
	var sum int64
	for _, num := range A {
		sum += int64(num)
	}

	return int(sum / int64(len(A)))
}

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