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

int main()
{
    
    int i = 0,m[10];
    
    while(i<10){
        cin >> m[i];
        i++;
    }
    
    int max,index,j;
   
    for(j = 0;j < 3 ; j++){
        max = m[0];
        index = 0;
        for(i = 0; i < 10 ;i++){
            if(max < m[i])
            {
                max = m[i];
                index = i;
            }
        }
        cout << m[index] << endl;
        m[index] = 0;
    }
}

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

int main(){
	int m,max=0,cen=-1,min=-2;
	cin >> m;
	max=m;
	cen=-1;
	min=-2;
	for(int i=1;i<10;i++){
		cin >> m;
		if(max<m){
			min=cen;
			cen=max;
			max=m;
		}
		else if(cen<=m){
			min=cen;
			cen=m;
		}
		else if(min<=m) min=m;
	}
	cout << max << endl;
	cout << cen << endl;
	cout << min << endl;

		return 0;
}

C++: #include<iostream>
using namespace std;
int main()
{
   int d[10],i,j,tmp;
   for(i=0;i<10;i++)
        cin >> d[10]; 
   for(i=0;i<9;i++)
     {
        for(j=i+1;j<10;j++)
          { 
             if(d[i]<d[j])
                {
                   tmp=d[i];
                   d[i]=d[j];
                   d[j]=tmp;
                }
           }
     }
    for(i=0;i<3;i++)
       cout << d[i] <<endl;
    return 0;
}

C++: #include<iostream>
using namespace std;
int main()
{
	int i, j, t, a[10];
	for (i = 0; i < 10;i++)
		cin >> a[i];
	for (j = 0; j <9; j++)
	for (i = 0; i < 9 - j; i++)
	if (a[i] < a[i + 1])
	{
		t = a[i]; a[i] = a[i + 1]; a[i + 1] = t;
	}
	cout << a[0];
	cout << "\n";
	cout << a[1];
	cout << "\n";
	cout << a[2];
	cout << "\n";
	cout << endl;
	return 0;
}

C++: #include <iostream>
#include <string>
#include <cctype>
#include <cmath>
#include <stdio.h>
#include <algorithm>
#include <vector>
#include <map> // pair
#include <set>
#define MAXSIZE 200000
#define PI 3.141592653589
using namespace std;

template<typename T>
T add(T a,T b){
  return a+b;
}

namespace A
{
  int f(void){
    return 1;
  }
}

int main(){

  int height[10]={0};
  for(int i=0;i<10;i++){
    std::cin >> height[i];
  }

  sort(height,height+10);
  reverse(height,height+10);
  for(int i=0;i<3;i++){
    std::cout << height[i] << '\n';
  }

}

C++: #include<iostream>
#include<algorithm>
using namespace std;
int a[10];
int main(){
	for (int i = 0; i<10; i++){
		cin >> a[i];
	}
	sort(a, a+10);
	cout << a[9] <<endl<< a[8] <<endl<< a[7] << endl;

	return 0;
}

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

int main(){
	int n[10];
	int rank[3] = {0,0,0};
	
	for(int i=0 ; i<10 ; i++){
		cin >> n[i] ; 
	}
	
	for(int i=0 ; i<10 ; i++){
		if(rank[0] < n[i]){
			rank[2] = rank[1];
			rank[1] = rank[0];
			rank[0] = n[i];
		}
		else if(rank[1] < n[i]){
			rank[2] = rank[1];
			rank[1] = n[i];
		}
		else if(rank[2] < n[i]){
			rank[2] = n[i];
		}
	}

	for(int i=0 ; i<3 ; i++){
		cout << rank[i] << endl;
	}

	return 0;
}

C++: #include <iostream>
#include <algorithm>
using namespace std;
int main() {
    int h[10];
    for (int i=0; i<10; ++i) cin>>h[i];
    sort(h, h+10);
    cout<<h[9]<<endl<<h[8]<<endl<<h[7]<<endl;
}

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

using namespace std;

int main(){
  int n;
  int mount[10]={};

  for(int i=0;i < 10;i++){ 
    cin >> mount[i];
  }
  sort(mount,mount+10);

  for(int i=9;i > 6;i--){
    
    cout << mount[i] << " ";
  }
  cout << endl;
  
  return 0;
}

C++: #include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main() {
	vector<int> h(10);
	for (int i = 0; i < 10; ++i) cin >> h[i];

	sort( h.begin(), h.end(), greater<int> );

	cout << h[0] << endl;
	cout << h[1] << endl;
	cout << h[2] << endl;
}

C++: #include<stdio.h>

int main()

{
    int height[15],i,j,temp;

    for(i=0;i<10;i++)
        scanf("%d",& height[i]);
    for(i=0;i<10;i++)
    {
        for(j=i+1;j<10;j++)
        {
            if(height[i]>height[j]){

                temp=height[j];
                 height[j]=height[i];
                 height[i]=temp;

            }
        }
    }
      for(i=9;i>6;i--)
      {
          printf("%d\n",height[i]);

      }
    return 0;
}

C++: int main(){
int a[10];
int max = 0;
int max2 = 0;
int max3 = 0;
int i;
int tmp;

for(i = 0; i < 10; i++){
std::cin >> a[i];
}

for(i = 0; i< 10; i++){
if(max < a[i]){
max = a[i];
tmp = i;
}
}


int tmp2;
for(int i = 0; i< 10; i++){
if(max2 < a[i] && tmp != i){

 max2 = a[i];
tmp2 = i;
}
}
for(i = 0; i< 10; i++){
if(max3 < a[i]&& tmp != i&& tmp2 != i) max3 = a[i];
}

std::cout << max<< std::endl;
std::cout << max2<< std::endl;
std::cout << max3<< std::endl;



	return 0;
}

C++: #include<iostream>

using namespace std;

int main() {
  int a[10];
  for (int i = 0; i < 10; i++ ) {
    cin >> a[i];
  }
  sort(a, a+ 9);
  printf("%d\n", a[9]);
  printf("%d\n", a[8]);
  printf("%d\n", a[7]);
}

C++: #include<iostream>

using namespace std;
 
int main(){
  int x[10],tmp,i,j;

  for(i=0; i<10; ++i)
    cin >> x[i];

  for(i=0; i<10; ++i){
    for(j=0; j<10; ++j){
      if(x[i] < x[j]){
	tmp = x[i];
	x[i] = x[j];
	x[j] = tmp;
      }
    }
  }

  for(i=0; i<3; ++i)
    cout << x[i] << "\n";

    return 0;
}

C++: #include <cstdio>
#include <cstdlib>
#include <cstdint>
#include <cstring>
#include <cctype>
#include <iostream>
#include <sstream>
#include <vector>
#include <list>
#include <deque>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <unordered_map>
#include <unordered_set>
#include <algorithm>
#include <functional>
using namespace std;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef long long ll;
const double PI = 3.141592653589793238462643383279502884L;
const int LARGE_INT = 1000000007;
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define tr(c, i) for(auto i = (c).begin(); i != (c).end(); i++)
#define rtr(c, i) for(auto i = (c).rbegin(); i != (c).rend(); i++)
#define repfn(i,a,cont,next) \
  for(auto i = (a); [=](){return(cont);}(); i = [=](){return(next);}())
#define repby(i,a,b,s) repfn(i,a,i<b,i+s)
#define repab(i,a,b) repby(i,a,b,1)
#define rep(i,b) repab(i,0,b)
#define pb push_back
#define sz(c) int((c).size())

int main(int argc, char **argv)
{
  vi v;
  int tmp;
  rep (i, 10) {
    cin >> tmp;
    v.pb(tmp);
  }
  sort(rall(v));
  rep (i, 3) {
    cout << v[i] << endl;
  }

  return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
	int i,k=0,tmp,a[10];
	

	for(i=0;i<10;i++){
		cin>>a[i];
	}

	while(1){//無限ループ
		for(i=0;i<9;i++){
			if(a[i]<a[i+1]){//もし昇順でない場合
				tmp=a[i];//隣接しあう値を昇順に入れ替える
				a[i]=a[i+1];
				a[i+1]=tmp;
				k++;//カウント
			}
		}
		if(k==0) break;//入れ替える必要がなくなったら終了
		k=0;//カウントの初期化
	}
	cout<<a[0]<<endl;
	cout<<a[1]<<endl;
	cout<<a[2]<<endl;
}

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

const int MAX_N = 9;
int a[MAX_N];
  
int main(){

    for(int i=0; i<=MAX_N; i++){
        cin >> a[i];
    }
     
    std::sort(a,a+10);
    cout << a[9] << endl << a[8] << endl << a[7] << endl;

    return 0;
}

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

int main(){
        int i;
        int high[10];
        for(i = 0; i < 10; i++){
                high[i] << cin;
        }
        partial_sort(high, high + 3, greater<int>());
        cout << high[0] << endl
                << hiht[1] << endl
                << high[2] << endl;y
        return 0;
}