Compilare: user.cpp: In function ‘int compresie(int, int, int, int)’: user.cpp:12:9: warning: unused variable ‘n’ [-Wunused-variable] int n,j,i,ok,max,nr1,nr2; ^ user.cpp:12:11: warning: unused variable ‘j’ [-Wunused-variable] int n,j,i,ok,max,nr1,nr2; ^ user.cpp:12:13: warning: unused variable ‘i’ [-Wunused-variable] int n,j,i,ok,max,nr1,nr2; ^ user.cpp:12:15: warning: unused variable ‘ok’ [-Wunused-variable] int n,j,i,ok,max,nr1,nr2; ^ user.cpp: In function ‘int main()’: user.cpp:72:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(x); ++i) ^ user.cpp:68:15: warning: unused variable ‘ok’ [-Wunused-variable] int n,i,j,ok,nr=0,sum=0,max=0; ^ user.cpp:89:19: warning: unused variable ‘total’ [-Wunused-variable] int a,b,a2,b2,total=0; ^