View Compilation Error

0_0_32861272_27576.cpp:1:1: error: 'hour' does not name a type
 hour=ans/3600%12;
 ^
0_0_32861272_27576.cpp:2:1: error: 'min' does not name a type
 min=ans/60%60;
 ^
0_0_32861272_27576.cpp:3:1: error: 'sec' does not name a type
 sec=ans%60;//https://blog.csdn.net/qq_21524797/article/details/101120630
 ^