View Compilation Error

0_0_13997213_26956.cpp: In function 'int main()':
0_0_13997213_26956.cpp:79:17: error: conflicting declaration 'double ans'
          double ans = INF;
                 ^
0_0_13997213_26956.cpp:64:13: note: previous declaration as 'int ans'
         int ans = INF;
             ^