Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
)

func getsAsIntArray() (line []int) {
	scanner := bufio.NewScanner(os.Stdin)

	for scanner.Scan() {
		str := scanner.Text()
		if str == "" {
			break
		}
		data, err := strconv.Atoi(str)
		if err != nil {
			break
		}
		line = append(line, data)
	}

	return
}

func main() {

	lines := getsAsIntArray()
	sort.Sort(sort.Reverse(sort.IntSlice(lines)))
	for i, v := range lines {
		if i < 3 {
			fmt.Println(v)
		}
	}
}

C++: #define _USE_MATH_DEFINES
#include <iostream>
#include <vector>
#include <math.h>
#include <string>
#include <string.h>
#include <stack>
#include <algorithm>
#include <stdio.h>
#include <functional>
using namespace std;

//??°?????????????????°

void function()
{
    //??¢??°
}
 
int main(){
    int max1 = 0;
    int max2 = 0;
    int max3 = 0;
    for (int i = 0; i < 9; i++){
    	int a;
		cin >> a;
		if(a >= max1){
		max3 = max2;
		max2 = max1;
		max1 = a;
		}else if(a >= max2){
			max3 = max2;
			max2 = a;
		}else if(a >= max3){
			max3 = a;
		}
    }
    cout << max1 << endl << max2 << endl << max3 << endl;
    return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <vector>
#include <cstdio>
#include <string>
#include <set>
#include <queue>
#include <stack>
#include <cmath>
#include <functional>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<long long > vll;
typedef vector< vi > vvi;
int H[10];
int main() {
	for (int i = 0; i < 10; i++) {
		cin >> H[i];
	}
	sort(H, H+10,greater<int>());
	for (int i = 0; i <3 ; i++) {
		cout << H[i] << endl;
	}
}

C++: #include <iostream>
#include <algorithm>
using namespace std;
    
int main(){
	int data,m[10];

	
	for (int j=0;j<=9;j++){
			while(cin >> data){
			if (data<=10000 && data >= 0 ) {
			m[j]=data;
			break;
		}
			}
	}

for (int i=0;i<=9;i++){

	if (m[i] < m[i+1]){
		swap(m[i],m[i+1]);
	for (int j=i;j>0;j--){
	if (m[j] > m[j-1])
		swap(m[j],m[j-1]);
	}
	}
}


 
for (int i=0;i<=2;i++){
cout <<  m[i] <<'\n';
}

    return 0;
}

C++: #include <stdio.h>


int main(){
	int h[3]={0,0,0};
	int c,i;
	for(i=0;i<10;i++){
		scanf("%d",&c);
		if(c>h[0]){
			h[2]=h[1];
			h[1]=h[0];
			h[0]=c;
		}else if(c>h[1]){
			h[2]=h[1];
			h[1]=c;
		}else if(c>h[0]){
			h[2]=c;
		}
	}
	for(i=0;i<2;i++){
		printf("%d ",h[i]);
	}printf("%d\n",h[i]);
}

C++: #include <iostream>
#include <cstdio>
#include <cstring>
#include <cctype>
#include <string>
#include <cmath>
#include <algorithm>
#define DATA_NUM 10
#define swap(type, x, y) do{ type temp = x; x = y; y = temp;}while(0);

using namespace std;

void quick_sort(int x[], int left, int right);
int main(void) {
    int x[10] = {0};
    int i;
    
    for(i = 0; i < DATA_NUM; i++)
        scanf("%d", &x[i]);
    
    quick_sort(x, 0, DATA_NUM - 1);
    
    for(i = DATA_NUM - 1; i > 6; i--)
        cout << x[i] << endl;
    
    return(0);
}

void quick_sort(int x[], int left, int right) {
    int i, j;
    int pivot;
    
    i = left;
    j = right;
    
    pivot = x[(left + right) / 2];
    
    while(1) {
        while(x[i] < pivot) i++;
        while(x[j] > pivot) j--;
        
        if(i >= j) break;
        
        swap(int, x[i], x[j]);
        i++;
        j--;
    }
    if(i - 1 > left) quick_sort(x, left, i - 1);
    if(j + 1 < right) quick_sort(x, j + 1, right);
}

C++: using System;
using System.Linq;
namespace _0001
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] a = Console.ReadLine().Split().Select(int.Parse).ToArray();       
                int[] mountain = new int[] { a[0],a[1],a[2] };
            Array.Sort(mountain);
            Console.WriteLine(mountain[0]+" "+mountain[1]+" "+mountain[2]);
        }
    }
}

C++: import java.util.*;

public class Main{
    
    public static void main(String[] args){
        
        int[] hill={0,0,0,0,0,0,0,0,0,0};
        
        for(int j=0;j<=9;j++){
            hill[j]=new Scanner(System.in).nextInt();
        }
        
        int key;
        int flag;
        
        for(key=9;key>=0;key--){
            
            for(int i=0;i<=key-1;i++){
                if(hill[i]>hill[i+1]){
                    flag=hill[i];hill[i]=hill[i+1];hill[i+1]=flag;
                }
            }
            
        }
        
        System.out.println(hill[9]);
        System.out.println(hill[8]);
        System.out.println(hill[7]);
        
        
        
    }
    
}

C++: #include<iostream>

int main(){
	int f=0,s=0,t=0,num,tmp;
	
	for(int i=0;i<10;i++){
		cin>>num;
		if(num>t){
			t=num;
		}
		if(t>s){
			tmp=s;
			s=t;
			t=tmp;
		}
		if(s>f){
			tmp=f;
			f=s;
			s=tmp;
		}
		
	}
	cout << f << endl << s << endl << t << endl;
	
	return 0;
}

C++: #include <iostream>
#include <vector>
using namespace std;

int main(){
	int n;
	vector<int> high;
	
	for(int i=0 ; i<10 ; i++){
		cin >> n;
		high.push_back( n );
	}
	
	sort( high.begin() , high.end() );

	for(int i=9 ; i>=7 ; i--){
		cout << high.at( i ) << endl;
	}

	return 0;
}

C++: #include <stdio.h>
#include <stdlib.h>
#include <algorithm>
#include <iostream>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <cmath>
using namespace std;

#define FOR(i,s,e) for (int i = int(s); i != int(e); i++)
#define REP(i,e) for (int i = 0; i != int(e); i++)
#define FORIT(i, A) for (auto i : A)
#define ISEQ(c) (c).begin(), (c).end()
#define PRINT(x) cout << (x) << endl
#define SZ(x) ((int)(x).size())

int main(int argc, char const *argv[])
{
	int h;
	int max[3] = {0, 0, 0};
	while(scanf("%d", &h) != EOF)
	{
		if (max[0] < h)
		{
			max[2] = max[1];
			max[1] = max[0];
			max[0] = h;
		}
		else if (max[1] < h)
		{
			max[2] = max[1];
			max[1] = h;
		}
		else if (max[2] < h)
		{
			max[2] = h;
		}
	}
	printf("%d\n%d\n%d\n", max[0], max[1], max[2]);
	return 0;
}

C++: #include<iostream>

using namespace std;

int main() {
	int a[100] = { 0 };
	for (int i = 0; i < 10; i++) {
		cin >> a[i];
	}
	int big1, big2, big3;
	big1 = a[0];
	big2 = big3 = 0;
	for (int k = 1; k < 10; k++) {
		if (a[k] > big1) {
			big3 = big2;
			big2 = big1;
			big1 = a[k];
		}
		else if (a[k] > big2) {
			big3 = big2;
			big2 = a[k];
		}
		else if (a[k] > big3) {
			big3 = a[k];
		}
	}
	cout << big1 << " " << big2 << " " << big3 << endl;
	return 0;
}

C++: #include<iostream>
#include<algorithm>
using namespace std;

int main(){
	int i,h[10];
	for(i=0;i<10;i++){
		cin>>h[i];
	}
	sort(h,h+10);
	for(i=0;i<3;i++){
		cout<<h[9-i]<<endl;
	}
	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
int main()
{
    int n=10;
    int ara[12];
    for(int i=0;i<n;i++)
    {
        cin>>ara[i];
    }
    sort(ara,ara+n);
        for(int i=n-1;i>=7;i--)
    {
        cout<<ara[i]<<endl;
    }
    return 0;

}

C++: #include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<ll> VL;
typedef vector<VL> VVL;
typedef pair<int, int> PII;

#define FOR(i, a, n) for (ll i = (ll)a; i < (ll)n; ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(x) x.begin(), x.end()
#define MOD 1000000007
#define INF (1LL<<25)     //33554432
#define PI 3.14159265359
#define EPS 1e-12
//#define int ll

signed main(void)
{
  int h[10];
  REP(i, 10) cin >> h[i];
  sort(h, h+10, greater<int>());
  REP(i, 3) cout << h[i] << endl;
  return 0;
}

C++: #include<iostream>
using namespace std;
int main()
{
    int n,m;
    while(cin>>n>>m)
    {
                    --m;
                    if(((n/m)%2==0)&&n%m==0) cout<<"NO"<<endl;
                    else cout<<"YES"<<endl;
    }
    return 0;
}

C++: #include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main(){
    vector<int> v(10);
    int index = 0;  
    for(int i = 0; i< 10; i++){
        cin >> v[i];
    }
   sort(v.begin(),v.begin());
   cout << v[0] << endl;
   cout << v[1] << endl;
   cout << v[2] << endl;
}