#include
#include
#include
using namespace std;
mt19937 gen { random_device()() };
uniform_int_distribution<> uid(-20, 20);
constexpr size_t N = 5;
int main()
{
int sum = 0;
array, N> a;
for (auto &i : a) {
for (auto &j : i) {
if ((j = uid(gen)) < 0) {
sum += j;
}
cout << j << "\t";<br> }
cout << endl;<br> }
cout << endl;<br> a[1][2] += sum;
for (const auto &i : a) {
for (const auto &j : i) {
cout << j << "\t";<br> }
cout << endl;<br> }
cout << "Sum: " << sum << endl;<br>}