View Compilation Error

0_0_15865005_9466.cpp: In function 'int main()':
0_0_15865005_9466.cpp:52:17: error: 'num' was not declared in this scope
    scanf("%d", &num[i]);
                 ^
0_0_15865005_9466.cpp:59:20: error: 'num' was not declared in this scope
     printf("%d\n", num[s]);
                    ^