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  1. #include <iomanip>
  2. #include <iostream>
  3. #include <random>
  4. using namespace std;
  5. int main() {
  6.     random_device rd;mt19937_64 gen(rd());
  7.     uniform_int_distribution<long long> random(1, 1e9);
  8.     cout << " Enter the size of array : " << "\n";
  9.     int sz;cin >> sz;
  10.     long long a[sz][sz];
  11.     for (int i = 0;i < sz;i++) {
  12.         for (int j = 0;j < sz;j++) {
  13.             a[i][j] = random(gen);
  14.             cout << a[i][j] << " ";
  15.         }
  16.         cout << "\n";
  17.     }
  18.     long long sum = 0,mn = a[0][0],mx = a[0][0];
  19.     for (int i = 0;i < sz;i++) {
  20.         for (int j = 0;j < sz;j++) {
  21.             sum += a[i][j];
  22.             // if (mx < a[i][j]) mx = a[i][j];
  23.             // if (mn > a[i][j]) mn = a[i][j];
  24.             mn = min(mn,a[i][j]);
  25.             mx = max(mx,a[i][j]);
  26.         }
  27.     }
  28.     long double avg = (long double) sum / (sz * sz);
  29.     long long main_diag = 0, sec_diag = 0;
  30.     for (int i = 0; i < sz; i++) {
  31.         main_diag += a[i][i];
  32.         sec_diag += a[i][sz - i - 1];
  33.     }
  34.     cout << "Max of array : " << mx << "\n";
  35.     cout << "Min of array : " << mn << "\n";
  36.     cout << "Average of array : " << fixed << setprecision(10) << avg << "\n";
  37.     cout << "Sum of array : " << sum << "\n";
  38.     cout << "Sum of Main diagonal : " << main_diag << "\n";
  39.     cout << "Sum of Secondary diagonal : " << sec_diag << "\n";
  40.     return 0;
  41. }
Success #stdin #stdout 0s 5320KB
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stdin
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stdout
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 Enter the size of array : 
755285075 330384191 316655087 425803874 126529280 
488754627 935539716 597000413 231269624 646754476 
673131524 547115101 613530237 782214947 599916887 
316283705 801357947 259627850 653709416 911628711 
839178175 702539519 411301921 137802762 765527405 
Max of array : 935539716
Min of array : 126529280
Average of array : 554753698.8000000000
Sum of array : 13868842470
Sum of Main diagonal : 3723591849
Sum of Secondary diagonal : 2611865263
https://ideone.com/pBlc53
language:
C++ (gcc 8.3)
created:
6 hours ago
visibility:
public

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