Compilare: main.cpp: In function 'void compresie(int, int, int, int)': main.cpp:24:11: warning: variable 'a' set but not used [-Wunused-but-set-variable] int p,a[100][100]; ^ main.cpp: In function 'int este_cifra(int)': main.cpp:13:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int este_litera(int)': main.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'void compresie(int, int, int, int)': main.cpp:27:11: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] if(s[p]=='*') ~~~^ main.cpp:27:11: warning: 's[p]' may be used uninitialized in this function [-Wmaybe-uninitialized]