View Compilation Error

0_0_18856231_15619.cpp: In function 'void assert_cir()':
0_0_18856231_15619.cpp:80:9: error: 'cout' was not declared in this scope
         cout<<cir[i]<<endl;
         ^
0_0_18856231_15619.cpp:80:23: error: 'endl' was not declared in this scope
         cout<<cir[i]<<endl;
                       ^