View Compilation Error

0_0_30614856_14207.cpp: In function 'int main()':
0_0_30614856_14207.cpp:54:5: error: 'num' was not declared in this scope
     num=min(num,d);
     ^
0_0_30614856_14207.cpp:57:18: error: 'num' was not declared in this scope
   if(s==1) cout<<num<<endl;
                  ^
0_0_30614856_14207.cpp:58:11: error: 'num' was not declared in this scope
   else if(num==1) cout<<num<<endl;
           ^