two dimensional array A[N,M] with the random numbers from 10 to 90.
#include <iostream>
#include <cstdlib>
#include <ctime>
int main() {
const int N = 3;
const int M = 4;
int A[N][M];
srand(time(0));
for (int i = 0; i < N; i++) {
for (int j = 0; j < M; j++) {
A[i][j] = rand() % 81 + 10;
}
}
for (int i = 0; i < N; i++) {
for (int j = 0; j < M; j++) {
std::cout << A[i][j] << " ";
}
std::cout << std::endl;
}
return 0;
}