View Compilation Error

0_0_24421650_7511.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_24421650_7511.cpp: In function 'int main()':
0_0_24421650_7511.cpp:62:25: error: 'scanf' was not declared in this scope
     scanf("%d%d", &n, &g);
                         ^
0_0_24421650_7511.cpp:63:36: error: 'puts' was not declared in this scope
     if(g == MOD)    return puts("0") , 0;
                                    ^
0_0_24421650_7511.cpp:81:40: error: 'printf' was not declared in this scope
     printf("%d\n", pow_mod(g, ans, MOD));
                                        ^