Go: package main

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

func main() {
        fp := os.Stdin
        scanner := bufio.NewScanner(fp)
        var lst [3]int

        for scanner.Scan() {
                num, _ := strconv.Atoi(scanner.Text())
                if lst[0] < num {
                        lst[2] = lst[1]
                        lst[1] = lst[0]
                        lst[0] = num
                } else if lst[1] < num {
                        lst[2] = lst[1]
                        lst[1] = num
                } else if lst[2] < num {
                        lst[2] = num
                }
        }

        for _, i := range lst {
                fmt.Printf("%d\n", i)
        }
}

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

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

using namespace std;

int data;
int mountain[10];
int i=0;

int main(){
	while(i < 10){
		scanf("%d",&data);
		mountain[i] = data;
		i++;
	}

	sort(mountain, mountain + 10);

	for(int j=0;j<3;j++){
		printf("%d\n",mountain[j]);
	}

    return 0;
}

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

	if (m[i] <= m[i+1])
		std::swap(m[i],m[i+1]);

}
}
 
for (int i=0;i<=9;i++){
cout <<  m[i] <<'\n';
}

    return 0;
}

C++: #define _USE_MATH_DEFINES

#include <iostream>
#include <string>
#include <iomanip>
#include <cmath>
#include <algorithm>
#include <utility>
#include <vector>
#include <numeric>

using namespace std;

int main()
{
	vector<int> h(10);

	for (int i = 0; i < h.size(); i++)
	{
		cin >> h.at(i);
	}

	sort(h.begin(), h.end());
	reverse(h.begin(), h.end());

	for (int i = 0; i < 3; i++)
	{
		cout << h.at(i) << endl;
	}

}

C++: #include<stdio.h>

int main(){
	int i,h[10];
	for(i=0;i<10;i++){
		scanf("%d",&h[i]);
	}
	int temp=0,j;
	for(j=0;j<10;j++){
		for(i=0;i<9;i++){
			if(h[i]<h[i+1]){
				temp=h[i];
				h[i]=h[i+1];
				h[i+1]=temp;
			}
		}
	}
	for(j=0;j<3;j++){
		printf("%d\n",h[j]);
	}
	return 0;
}

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

int main(void){

	int n=10, h1, h2, h3, h0;
	for (int i=1; i<n; i++){
		cin>>h0;
		if (h0>h1) swap(h0, h1);
		if (h0>h2) swap(h0, h2);
		if (h0>h3) swap(h0, h3);
	}
	cout<<h1<<endl;
	cout<<h2<<endl;
	cout<<h3<<endl;

	return 0;
}

C++: #include <iostream>
#include <queue>
#include <vector>
using namespace std;
 
int main()
{
    priority_queue< int,vector<int>,less<int> > que;
    int in;
 
    for(int i = 0; i < 10; i++){
        cin >> in;
        que.push(in);
    }
 
 
    for(int j = 0; j < 3; j++){
        cout << que.top() << '\n';
        que.pop();
    }
 
    return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;

int main()
{
    long long a[10];

    for(int i=0; i<10; i++)     scanf("%lld", &a[i]);

    sort(a, a+10);

    printf("%lld\n%lld\n%lld\n", a[9],a[8], a[7]);

    return 0;
}

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

int main(){
	int nyuryoku,high=0,low=0,middle=0,flag=0;
	
	for(int i=0;i<10;i++){
	cin>>nyuryoku;
	if(flag==0){
	high = nyuryoku;
	flag++;
	}else{
	if(nyuryoku>low){
		if(nyuryoku>middle){
			if(nyuryoku>high){
				high = nyuryoku;
			}else
				middle = nyuryoku
			}else
				low = nyuryoku;
		}
		}
	}
	cout<<high<<endl;
	cout<<middle<<endl;
	cout<<low<<endl;
return 0;
}

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

int main()
{
    int a[1000],i,n;
    n=10;
    for(i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
    }

    sort(a,a+n);

    int j;
    for(j=i-1;j>=7;j--)
    {
        printf("%d\n",a[j]);
    }


    return 0;
}

C++: #include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
int main()
{
	vector<int> line;
	int pro;
	for(int i=0;i<10;++i)
	{
		cin>>pro;
		line.push_back(pro);
	}
	sort(line.begin(),line.end());
	for(int i=9;i>6;--i)
	{
		cout<<line[i]<<endl;
	}
	return 0;
}

C++: #include <stdio.h>

int main ()
{
    int a[10], i, j, temp, t;
    
    for (i=0; i<10; i++){
        scanf("%d", &a[i]);
    }
    for (i=0; i<10; i++){
        for (j=i+1; j<10; j++){
            if (a[i]<a[j])
            {
                temp = a[i];
                a[i] = a[j];
                a[j] = temp;
            }
        }
    }

        printf("%d\n", a[0]);
        printf("%d\n", a[1]);
        printf("%d\n", a[2]);
    

    return 0;
}

C++: #include <iostream>
#include <cstdio>
#include <vector>
#include <list>
#include <algorithm>
#include <cmath>
#include <stack>
#include <map>
using namespace std;

#define REP(i,n) for(int (i)=0; (i)<(n); (i)++)
#define FOR(i,a,b) for(int (i)=(a); (i)<(b); (i)++)
#define PUSH(n,v) for(int i=0; i<(n); i++) {int j; cin >> j; v.push_back(j);}
#define ALL(v) v.begin(), v.end()
#define print(s) cout << (s) << endl

int main() {
    vector<int> v;
    int n;
    while(cin >> n) {
        v.push_back(n);
    }
    sort(v.begin(), v.end(), greater<int>());
    cout << v[0] << endl;
    cout << v[1] << endl;
    cout << v[2] << endl;
}

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

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

C++: #include <stdio.h>

int main() {
    
    int n = 0, m = 0, l = 0;
    
    int i, tmp;
    for (i = 1; i <= 10; i++) {
      
        scanf("%d", &tmp);
        if (n <= tmp) l = m; m = n; n = tmp; continue;
        if (m <= tmp) l = m; m = tmp; continue;
        if (l <= tmp) l = tmp; continue;
        
    }
    
    printf("%d\n%d\n%d\n", n, m, l);
    
    return 0;
}

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

void swap(int* x, int* y){
	int tmp = *x;
	*x = *y;
	*y = tmp;
}

int main(){
	int a = 0, b = 0, c = 0;
	for(int i = 0; i < 10; i++){
		cin >> c;
		if(b < c){
			swap(&b, &c);
		}
		if(a < b){
			swap(&a, &b);
		}
		if(a < c){
			swap(&a, &c);
		}
	}
	cout << a << endl;
	cout << b << endl;
	cout << c << endl;
	return 0;
}

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

int main(){
	int height[3] = {0},input;
	for(int i=0;i<10;i++){
		cin >> input;
		for(int j=0;j<3;j++){
			if(height[j] < input){
				for(int k=2;k>j;k--)
					height[k] = height[k-1];
				height[j] = input;
				break;
			}
		}
	}
	for(int i=0;i<3;i++)
		cout << height[i] <<endl;
}

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

C++: #include <stdio.h>

int num[13] ;
int ans[3] ;

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

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

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

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

  sort(x,x+10,greater<int>());

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

    return 0;
}