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; }
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