View Compilation Error

0_0_31928164_5903.cpp: In function 'int main()':
0_0_31928164_5903.cpp:7:14: error: 'scanf' was not declared in this scope
 scanf("%d",&i);
              ^
0_0_31928164_5903.cpp:9:9: error: 'getchar' was not declared in this scope
 getchar();
         ^
0_0_31928164_5903.cpp:36:21: error: 'printf' was not declared in this scope
 printf("%d\n\n",l[j]);
                     ^
0_0_31928164_5903.cpp:37:19: error: 'printf' was not declared in this scope
 printf("%d\n",l[i]);
                   ^