Compilare: user.c: In function ‘findMaxSum’: user.c:48:5: warning: type of ‘rows’ defaults to ‘int’ [enabled by default] int findMaxSum(rows, cols) ^ user.c:48:5: warning: type of ‘cols’ defaults to ‘int’ [enabled by default] user.c: In function ‘main’: user.c:82:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &rows, &cols); ^ user.c:87:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &(a[i])); ^ user.c:91:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &(b[i])); ^