Compilare: user.cpp:63:0: warning: "ff" redefined [enabled by default] #define ff f+X[o]*k[r[f][s]-1] ^ user.cpp:8:0: note: this is the location of the previous definition #define ff f+X[o]*k[r[f][s]] ^ user.cpp:64:0: warning: "ss" redefined [enabled by default] #define ss s+Y[o]*k[r[f][s]-1] ^ user.cpp:9:0: note: this is the location of the previous definition #define ss s+Y[o]*k[r[f][s]] ^