View Compilation Error

0_0_39812001_492.cpp:4:8: error: conflicting declaration 'double t'
    4 | double t=0.5;
      |        ^
0_0_39812001_492.cpp:3:9: note: previous declaration as 'int t'
    3 | int d,a,t,cnt,mi,n,_;
      |         ^