c++ - Replace zero in 2D array with blank space -


if have 2d array has values in indices , has 0 in other. how can convert 0 blank space. tried a[i][j] = ' ', prints ascii value 32, guess.

for (int i=0;i<r;i++)     (int j=0;j<c;j++)         if (a[i][j]==' ')             cout << (char)a[i][j];         else             cout << a[i][j];

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