avg of elements in a matrix
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#include <iostream>
using namespace std;
int main() {
int row,col;
cin>>row>>col;
int matrix[row][col];
for(int i=0;i<row;i++){
for(int j=0;j<col;j++){
cin>>matrix[i][j];
}
}
float sum=0.0;
for(int i=0;i<row;i++){
for(int j=0;j<col;j++){
sum += matrix[i][j];
}
}
float avg = sum/(row*col);
cout<<avg;
return 0;
}
Cpp
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