CppExerciseNoForLoopsAnswer8.md

 

 

 

 

 

(C++) Answer of exercise #9: No for-loops #8

 

This is the answer of Exercise #9: No for-loops.

 

Question #8: GetSum

 

Replace the for-loop. You will need:

• std::accumulate

 

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#include <vector> const int GetSum (const std::vector<int>& v) {   const int sz = static_cast<int>(v.size());   const int sum = 0;   for (int i=0; i!=sz; ++i)   {     sum+=v[i];   }   return sum; }

 

 

 

 

 

Answer

 

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#include <algorithm> #include <numeric> #include <vector> const int GetSum (const std::vector<int>& v) {   return std::accumulate(v.begin(),v.end(),0); }