lgdrum.cpp: In function 'int cod(char*)': lgdrum.cpp:23: warning: comparison between signed and unsigned integer expressions lgdrum.cpp: In function 'void lee()': lgdrum.cpp:49: warning: unused variable 'p' lgdrum.cpp:49: warning: unused variable 'u' lgdrum.cpp:49: warning: unused variable 'x1' lgdrum.cpp:49: warning: unused variable 'yy1' lgdrum.cpp:49: warning: unused variable 'zx' lgdrum.cpp:49: warning: unused variable 'zy' lgdrum.cpp: In function 'int main()': lgdrum.cpp:91: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x lgdrum.cpp:91: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x lgdrum.cpp:79: warning: unused variable 'n1' lgdrum.cpp:79: warning: unused variable 'v'