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  1. #include<iostream>
  2. #include<omp.h>
  3. #include<vector>
  4. #include<climits>
  5.  
  6. using namespace std;
  7. void min_reduction(vector<int>& a){
  8.   int min_value = INT_MAX;
  9.   #pragma omp parallel for reduction(min : min_value)
  10.   for(int i = 0; i< a.size() ; i++){
  11.     if(a[i]<min_value){
  12.       min_value = a[i];
  13.     }
  14.   }
  15.  
  16.   cout<<"Min min_value : "<<min_value<<endl;
  17. };
  18.  
  19. void average_reduction(vector<int>&a){
  20. 	int sum = 0;
  21. 	#pragma omp parallel for reductio(+: sum )
  22. 	for(int i = 0; i< a.size() ; i++){
  23. 		sum = sum+a[i];
  24. 	}
  25.  
  26. 	cout<<"Average : "<<(double)sum/a.size()<<endl;
  27. }
  28.  
  29. int main(){
  30.   vector<int> a;
  31.   a.push_back(5);
  32.   a.push_back(1);
  33.   a.push_back(3);
  34.   a.push_back(1);
  35.  
  36.  
  37.   min_reduction(a);
  38.   average_reduction(a);
  39.   return 0;
  40. }
Success #stdin #stdout 0.01s 5280KB
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stdin
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Standard input is empty
stdout
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Min min_value : 1
Average : 2.5
https://ideone.com/00M4zY
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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