View Compilation Error

0_0_32663638_25729.cpp: In function 'int main()':
0_0_32663638_25729.cpp:51:13: error: 'cin' was not declared in this scope
             cin>>x>>y>>z;
             ^
0_0_32663638_25729.cpp:57:13: error: 'cin' was not declared in this scope
             cin>>s[i];
             ^
0_0_32663638_25729.cpp:62:13: error: 'cin' was not declared in this scope
             cin>>d[i];
             ^
0_0_32663638_25729.cpp:69:9: error: 'cout' was not declared in this scope
         cout<<minn<<endl;
         ^
0_0_32663638_25729.cpp:69:21: error: 'endl' was not declared in this scope
         cout<<minn<<endl;
                     ^