Here is what I have done upto now,
#include<iostream>using namespace std;void sort(int c[3], int a){int d;for(int i=1;i<=a;i++){for(int j=1;j<=a;j++){if(c[i]>c[(i+1)]){d=c[i];c[i]=c[i+1];c[i+1]=d;}}}}int main(){int a,c[7],w[4];cin>>a;for(int i=1;i<=a;i++){cin>>c[i];}sort(c,a);for(int j=1;j<=a;j++){w[j] = c[j]*((a+1)-j);}cout<<w[a];return 0;}