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juanjo12x

UVA_10954_Add_All

Aug 15th, 2014
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C++ 1.01 KB | None | 0 0
  1. #include <iostream>
  2. #include <cstdio>
  3. #include <algorithm>
  4. #include <cstring>
  5. #include <string>
  6. #include <cctype>
  7. #include <stack>
  8. #include <queue>
  9. #include <list>
  10. #include <vector>
  11. #include <map>
  12. #include <set>
  13. #include <sstream>
  14. #include <stdlib.h>
  15. #include <cmath>
  16. #define FOR(i,A) for(typeof (A).begin() i = (A).begin() ; i != (A).end() ; i++)
  17. #define debug( x ) cout << #x << " = " << x << endl
  18. #define clr(v,x) memset( v, x , sizeof v )
  19. #define all(x) (x).begin() , (x).end()
  20. #define rall(x) (x).rbegin() , (x).rend()
  21. #define TAM 110
  22.  
  23. using namespace std;
  24.  
  25. typedef pair<int,int> ii ;
  26. typedef long long ll ;
  27. typedef long double ld ;
  28. typedef pair<int,ii> pii ;
  29.  
  30. int main() {
  31.     int t,a,c,d,sum,e;
  32.     while(scanf("%d",&t)){
  33.         if(t==0) break;
  34.         sum=0;
  35.         priority_queue<int> pq;
  36.         for(int i=0;i<t;i++){
  37.             scanf("%d",&a);pq.push(-a);
  38.         }
  39.         for(int i=0;i<t-1;i++){
  40.             c=-pq.top();pq.pop();
  41.             d=-pq.top();pq.pop();
  42.             e=c+d;sum+=e;
  43.             pq.push(-e);
  44.         }
  45.         printf("%d\n",sum);
  46.     }
  47.     return 0;
  48. }
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