View Compilation Error

0_0_5488689_24450.cpp:71: error: redefinition of `int n'
0_0_5488689_24450.cpp:59: error: `int n' previously declared here
0_0_5488689_24450.cpp:71: error: redefinition of `int m'
0_0_5488689_24450.cpp:59: error: `int m' previously declared here
0_0_5488689_24450.cpp:74: error: conflicting declaration 'char str[5000000]'
0_0_5488689_24450.cpp:60: error: 'str' has a previous declaration as `char str[2000]'
0_0_5488689_24450.cpp:74: error: type mismatch with previous external decl of `char str[5000000]'
0_0_5488689_24450.cpp:60: error: previous external decl of `char str[2000]'
0_0_5488689_24450.cpp:74: error: declaration of `char str[5000000]'
0_0_5488689_24450.cpp:60: error: conflicts with previous declaration `char str[2000]'