0_0_16031058_23946.cpp: In function 'int main()': 0_0_16031058_23946.cpp:15:21: error: 'f' was not declared in this scope printf("%d\n",f(b[i])); ^ 0_0_16031058_23946.cpp:16:7: error: 'getch' was not declared in this scope getch(); ^