Problem:
List of Top 3 Hills

There is a data which provides heights (in meter) of mountains. The data is only for ten mountains.

Write a program which prints heights of the top three mountains in descending order.

Input

Height of mountain 1
Height of mountain 2
Height of mountain 3
.
.
Height of mountain 10

Constraints

0 ≤ height of mountain (integer) ≤ 10,000

Output

Height of the 1st mountain
Height of the 2nd mountain
Height of the 3rd mountain

Sample Input 1

1819
2003
876
2840
1723
1673
3776
2848
1592
922

Output for the Sample Input 1

3776
2848
2840

Sample Input 2

100
200
300
400
500
600
700
800
900
900

Output for the Sample Input 2

900
900
800

Solution in C (judge verdict: Time Limit Exceeded)

#include<stdio.h>
int main(){
int a;
int b;
int c;
int mountain[10];
 scanf("%d%d%d%d%d%d%d%d%d%d",&mountain[0],&mountain[1],&mountain[2],&mountain[3],&mountain[4],&mountain[5],&mountain[6],&mountain[7],&mountain[8],&mountain[9]);
int x;
int y;
int z;
for(x=1;x<=9;x++){
  if(mountain[0]<mountain[x]){
    a = mountain[0];
      mountain[0] = mountain[x];
        mountain[x] = a;
  }
}
for(y=2;y<=9;y++){
  if(mountain[1]<mountain[y]){
    b = mountain[1];
      mountain[1] = mountain[y];
        mountain[y] = b;
  }
}
for(z=3;z<=9;x++){
  if(mountain[2]<mountain[z]){
    c = mountain[2];
      mountain[2] = mountain[z];
        mountain[z] = c;
  }
}
printf("mountain[0]\n");
  printf("mountain[1]\n");
   printf("mountain[2]\n");
    return 0;
}