View Compilation Error

0_0_11429513_2048.cpp:7: error: conflicting declaration 'long long int ca'
0_0_11429513_2048.cpp:6: error: 'ca' has a previous declaration as `int ca'
0_0_11429513_2048.cpp:7: error: type mismatch with previous external decl of `long long int ca'
0_0_11429513_2048.cpp:6: error: previous external decl of `int ca'
0_0_11429513_2048.cpp:7: error: declaration of `long long int ca'
0_0_11429513_2048.cpp:6: error: conflicts with previous declaration `int ca'