Go: package main

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

var rdr = bufio.NewReaderSize(os.Stdin, 1000000)

func readLine() string {
	buf := make([]byte, 0, 1000000)
	for {
		l, p, e := rdr.ReadLine()
		if e != nil {
			panic(e)
		}
		buf = append(buf, l...)
		if !p {
			break
		}
	}
	return string(buf)
}

func toInt(str string) int {
	n, _ := strconv.Atoi(str)
	return n
}

func main() {
	lst := make([]int, 0)
	for i := 0; i < 10; i++ {
		lst = append(lst, toInt(readLine()))
	}
	sort.Ints(lst)
	for i := 9; i > 6; i-- {
		fmt.Println(lst[i])
	}
}

C++: #include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iostream>
#include <sstream>
#include <vector>
#include <string>
#include <queue>
#include <set>
#include <map>
#include <utility>
#include <algorithm>
#include <functional>

using namespace std;

#define rep(i,n) for((i)=0;(i)<(int)(n);(i)++)
#define each(c,itr) for(__typeof((c).begin()) itr=(c).begin();itr!=(c).end();itr++)

bool rev(int a, int b){ return a > b; }

int main(){
  int i, in[10];

  rep(i,10) cin >> in[i];
  sort(in, in+10, rev);
  rep(i,3) cout << in[i] << endl;

  return 0;
}

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

int main(){
	std::vector<int> o;
	for(int i=1;i<=10;i++){
		int in=0;
		std::cin>>in;
		o.push_back(in);
	}
	std::sort(o.begin(),o.end());
	std::cout<<o[9]<<std::endl<<o[8]<<std::endl<<o[7]<<std::endl;
}

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

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

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

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

int main() {
	int a,one=0,two=0,three=0;
	for (int i=0;i<10;i++){
		cin>>a;
		if (a>three) three=a;
		if (three>two) swap(two,three);
		if (two>one) swap(one,two);
	}
		cout<<one<<endl<<two<<endl<<three;
	return 0;
}

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

int main()
{
	std::vector<int> vec(10);
	for (int i = 0; i < 10; ++i) {
		std::cin >> vec[i];
	}
	std::partial_sort(
			vec.begin(), vec.begin() + 3, vec.end(),
			std::greater<int>());
	for (int i = 0; i < 3; ++i) {
		std::cout << vec[i] << std::endl;
	}
	return 0;
}

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

int main(){
	int a[10];
	for(int i=0;i<10;i++){
		cin>>a[i];
	}
	sort(a,a+10);
	for(int i=9;i>6;i--){
		cout<<a[i]<<endl;
	}
	return 0;
}

C++: #include<iostream>
#include<vector>
using namespace std;
int main(){
	int a=0;
	std::vector<int> vec(10);
	for(int i=0;i<10;i++){
		std::cin>>vec[i];
	}
	for(int i=0;i<9;i++){
		if(vec[i]<vec[i+1]){
			a=vec[i];
			vec[i]=vec[i+1];
			vec[i+1]=a;
			a=0;
		}
	}
	std::cout<<vec[0]<<std::endl<<vec[1]<<std::endl<<vec[2]<<std::endl;
	return 0;
}

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

int main(void){
	int mt[10];
	for(int i=0;i<10;i++)
		cin>>mt[i];
	int max_mt[3]={0,};
	for(int j=0;j<3;j++){
		for(int k=0;k<10;k++){
			max_mt[j]=max(max_mt[j],mt[k]);
		}
		cout<<max_mt[j]<<endl;
		for(int ll=0;ll<10;ll++)
			if(max_mt[j]==mt[ll])
				mt[ll]=0;
	}
	return 0;
}

C++: #include <iostream>

int main() {
  int heights[16] = { 0 };
  int temp_result = 0;
  int index = 12;

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

  for(int j = 0; j < 3; j++) {
    heights[index] = 0;
    index = 0;
    temp_result = 0;
    for(int i = 0; i < 10 i++) {
      if(temp_result < heights[i]) {
        temp_result = heights[i];
        index = i;
      }
    }
    std::cout << temp_result << std::endl;
  }


  return 0;
}

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

int main(){
	int i,tmp;
	int tall[3] = {0};
	int num[10];

	for(i = 0 ; i < 10 ; i++){
		cin >> num[i];
		if(tall[0] <= num[i]){
			tmp = tall[2];
			tall[2] = tall[1];
			tall[1] = tall[0];
			tall[0] = num[i];
		}
	}
	for( i = 0; i < 3 ; i++)
		cout << tall[i] << endl;
    return 0;
}

C++: #include <stdio.h>

int main(){
	int talls[10], max, banme;
	for(int i = 0; i < 10; i++) scanf("%d", &talls[i]);
	for(int i = 0; i < 10; i++){
		max = 0;
		for(int j = 0; j < 10; j++){
			if(max < talls[j]){
				max = talls[j];
				banme = j;
			}
		}
		printf("%d\n", max);
		talls[j] = 0;
	}
	return 0;
}

C++: #include <stdio.h>
#include <algorithm>
#include <vector>

#define FOR(i,a,b) for(int i=(int)a;i<(int)b;++i)
#define REP(i,n) FOR(i,0,n)

int main()
{
  int n;
  std::vector<int> d;
  REP(i,10) {
      scanf("%d", &n);;
      d.push_back(n);
  }
  std::sort(d.begin(), d.end(), std::greater<int>() );
  printf("%d\n",d[0]);
  printf("%d\n",d[1]);
  printf("%d\n",d[2]);
  
  return 0;
}

C++: #include<iostream>

using namespace std;

int main(){
	int takasa[10];
	for(int i = 0; i <10; i++){
		cin >> takasa[i];
	}
	//sort
	for(int i = 0; i < 9; i++){
		for (int j = i+1; j < 10; j++){
			if(takasa[i] < takasa[j]){
				swap(takasa[i],takasa[j]);
			}
		}
	}
	for(int i = 0; i < 3; i++){
		cout << takasa[i] << "\n";
	}
	return 0;
}

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

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

	for (int i = 0; i < 3; i++) {
		cout << v.back() << endl;
		v.pop_back();
	}
	return 0;
}

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

int main(){
    int mt[10], tmp;
    int g = 1;

    for(int i = 0; i < 10; ++i){
        cin >> mt[i]; 
    }
    while(g){
        g = 0;
        for(int i = 1; i < 10; ++i){
            if(mt[i - 1] < mt[i]){
                tmp = mt[i - 1];
                mt[i - 1] = mt[i];
                mt[i] = tmp;
                g = 1;
            }
        }
    }
    
    for(int i = 0; i < 3; ++i){
        cout << mt[i] << " ";
    }
    return 0;
}

C++: #include <iostream>
#include <stdio.h>
#include <math.h>
#include <vector>
#include <algorithm>
using namespace std;


int main(){
	vector<int> v;
	int x;
	for(int i=0;i<10;i++){
		cin >> x;
		v.push_back(x);
	}
	sort(v.begin(),v.end(),greater<int>());
	for(int i=0;i<3;i++){
		cout << v[i] << endl;
	}
	return 0;
}

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


int main(void)
{
    int i;
    int num[10];

    for (i = 0; i < 10; i++) {
        scanf("%d", &num[i]);
    }

    sort(&num[0], &num[9]);

    printf("%d\n", num[9]);
    printf("%d\n", num[8]);
    printf("%d\n", num[7]);

    return 0;
}

C++: #include<iostream>
using namespace std;
int main() {
	int a[10], min1 = -1, min2 = -1, min3 = -1, i, j, k, l;
	for (i = 0; i < 10; i++) {
		cin >> a[i];
	}
	for (j = 0; j < 10; j++) {
		if (a[j] > min1) {
			min1 = a[j];
		}
	}
	for (k = 0; k < 10; k++) {
		if (a[k] > min2 && a[k] != min1) {
			min2 = a[k];
		}
	}
	for (l = 0; l < 10; l++) {
		if (a[l] > min3&&a[l] != min2&&a[l] != min1) {
			min3 = a[l];
		}
	}
	cout << min1 << endl << min2 << endl << min3 << endl;
	return 0;
}

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


int main(){
	int a[10];
	int n;
	for (int i = 0; i < 10; i++){
		cin >> a[i];
	}
	for (int i = 0; i < 3; i++){
		for (int j = 0; j < 10; j++){
			if (i < j){
				if (a[i] < a[j]){
					n = a[i];
					a[i] = a[j];
					a[j] = n;
				}
			}
		}
	}
	for (int i = 0; i < 3; i++){
		cout << a[i] << endl;
	}
	return 0;
}

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

int main(){
	int yama[10], i, p, Flag = 0, t;
	for(i = 0; i < 10; i++)
		cin >> yama[i];
	while(1){
		Flag = 0;
		for(i = 0; i < 10; i++){
			if(yama[i] < yama[i + 1]){
				t = yama[i];
				yama[i] = yama[i + 1];
				yama[i + 1] = t;
				Flag++;
			}
		}
		if(Flag != 0)
			break;
	}
	cout << yama[1] << "\n"
	cout << yama[2] << "\n"
	cout << yama[3] << "\n"
	return 0;
}