#include <iostream> // std::cout #include <algorithm> // std::any_of #include <array> // std::array using namespace std; int main () { array<int,7> foo = {0,1,-1,3,-3,5,-5}; if ( any_of(foo.begin(), foo.end(), [](int i){return i<0;}) ) cout << "There are negative elements in the range. "; return 0; }