Go: package main

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

var sc = bufio.NewScanner(os.Stdin)

func main() {
	heights := make([]int, 10)
	for i := 0; i < 10; i++ {
		sc.Scan()
		heights[i], _ = strconv.Atoi(sc.Text())
	}

	sort.Sort(sort.Reverse(sort.IntSlice(heights)))
	for i := 0; i < 3; i++ {
		fmt.Println(heights[i])
	}
}

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

int main(){
	int mountain[10];
	for(int i=0; i<10; i++){
		cin >> mountain [i];
	}
	sort(mountain,mountain+10);
	cout << mountain [9] << endl << mountain[8] << endl << mountain[7] << endl;	
        return 0;
}

C++: #include <stdio.h>
int main(void)
{
	int i, j, hill[10], temp;

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

	for (i = 0; i < 9; i++) {
		for (j = i; j < 10; j++) {
			if (hill[i] < hill[j]) {
				temp = hill[i];
				hill[i] = hill[j];
				hill[j] = temp;
			}
		}
	}

	for (i = 0; i < 3; i++)
		printf("%d\n", hill[i]);

	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
 
int main(void) {
  vector<int> x(10);
  int i = 0;
  for(; i < 10; i++) cin >> x[i];
  sort(x.begin(), x.end());
  for(i = 9; i > 6; i--) cout << x[i] << endl;
}

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

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

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

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

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

int main()
{
	long long input;
	long long first = 0;
	long long second = 0;
	long long third = 0;
	
	for (int i = 0; i < 10; i++)
	{
		cin >> input;
		// Update the tallest 3 mountains
		if (input > first)
		{
			third = second;
			second = first;
			first = input;	
		}
		else if (input > second)
		{
			third = second;
			second = input;
		}
		else if (input > third)
			third = input;
	}
	
	cout << first << endl << second << endl << third << endl;
}

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

C++: 
#include<bits/stdc++.h>
#include<limits.h>
using namespace std;
int main()
{
   int i,j,k=0,ar[100],first,second,third;
   first=INT_MIN;
   second=INT_MIN;
   third=INT_MIN;

   for(i=0;i<10;i++)
   {
     cin>>ar[i];
   }
   for(i=0;i<10;i++)
   {
     if(ar[i]>first)
     {
       third=second;
       second=first;
       first=ar[i];
     }
     else if(ar[i]>second){
      third=second;
      second=ar[i];
     }
     else if(ar[i]>third)
     {
       third=ar[i];
     }
   }
   cout<<first<<endl;
   cout<<second<<endl;
   cout<<third<<endl;



    return 0;
}

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

int Size = 10;

int main(void) {
    int height[Size];
    
    for(int i = 0; i < Size; ++i) {
        cout << "No." << i + 1 << " : " << flush;
        cin >> height[i];
    }
    sort(height, height + Size);
    
    cout << height[9] << endl
         << height[8] << endl
         << height[7] << endl;
}

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

int main(){
	priority_queue<int> Q;
	for(int i=0;i<10;i++){
		int h;
		cin >> h;
		Q.push(h);
	}
	for(int i=0;i<3;i++){
		cout << Q.top() << endl;
		Q.pop();
	}
}

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

int main() {
	multiset<int, greater<int>> st; int temp; 
	while (cin >> temp) st.insert(temp);
	auto itr = st.begin();
	for (int i = 0; i < 3; i++) { cout << *itr << endl; ++itr; }
	return 0;
}

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

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

int main()
{
    int x[10];
    for (unsigned int i = 0; i < (sizeof(x) / sizeof(int)); i++)
        cin >> x[i];
    int first = 0;
    unsigned first_num;
    for (unsigned int i = 0; i < (sizeof(x) / sizeof(int)); i++)
        if (x[i] > first) {
            first = x[i];
            first_num = i;
        }
    int second = 0;
    unsigned second_num;
    for (unsigned int i = 0; i < (sizeof(x) / sizeof(int)); i++)
        if (x[i] > second && i != first_num) {
            second = x[i];
            second_num = i;
        }
    int third = 0;
    unsigned third_num;
    for (unsigned int i = 0; i < (sizeof(x) / sizeof(int)); i++)
        if (x[i] > third && i != first_num && i != second_num) {
            third = x[i];
            third_num = i;
        }
    cout << first << endl;
    cout << second << endl;
    cout << third << endl;
}

C++: #include <stdio.h>
int main(void){
    int a=0,b=0,c=0,n,t;
    while(scanf("%d",&n)){
        if(n>a)t=n,n=a,a=t;
        if(n>b)t=n,n=b,b=t;
        if(n>c)c=n;
    }
    printf("%d\n%d\n%d\n",a,b,c);
    return 0;
}

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

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

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

int main()
{
	vector<int> HeightOfMountain(10);
	for(int i = 0; i < 10; i++){
		cin >> HeightOfMountain[i];
	}
	sort(HeightOfMountain.begin(), HeightOfMountain.end(), greater<int>());
	cout << HeightOfMountain[0] << endl;
	cout << HeightOfMountain[1] << endl;
	cout << HeightOfMountain[2] << 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(){
  int a[10];
  for(int i = 0; i < 10; i++)
    scanf("%d" &a[i]);
  for(int i = 0; i < 9; i++){
    for(int j = i + 1; i < 10; i++){
      if(a[i] > a[j])
        swap(a[i], a[j]);
    }
  }
  for(int i = 0; i < 3; i++){
    printf("%d\n", a[i]);
  }
  return 0;
}

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

using namespace std;

int main() {
	int m[10];
	for (int i = 0; i < 10; i++) {
		cin >> m[i];
	}
	sort(m, m+10);
	cout << m[9] << endl;
	cout << m[8] << endl;
	cout << m[7] << endl;
	return 0;
}

C++: #include<stdio.h>
#include<string.h>
#include<stdlib.h>

int main()
{
	int i=0;
	int a;
	int height[10]={0};
	int first,second,third;
	
	for(i=0;i<=9;i++)
	{
	 scanf("%d",&a);
	 height[i]=a;
	}
	
    first=0;second=0;third=0;
	
	for(i=0;i<10;i++)
	{
		if (height[i]>first)
		 {third=second;second=first;first=height[i];continue;}
		if (height[i]<=first&&height[i]>=second)
		 {third=second;height[i]=second;continue;}
		if (height[i]<second&&height[i]>third)
		 {third=height[i];continue;}
	}
	
	printf("%d \n%d \n%d \n",first,second,third);
	exit(0);
}

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

int main(void)
{
	vector <int> a;
	int b;
	
	for (int i = 0; i < 10; i++){
		scanf("%d", &b);
		a.push_back(b);
	}
	sort(a.begin(), a.end());
	printf("%d\n%d\n%d\n", a[9], a[8], a[7]);
	
	return 0;
}