Compilare: user.cpp: In function ‘int main()’: user.cpp:18:19: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[1000]’ [-Wformat=] fscanf(f,"%s",&a); ^ user.cpp:22:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<strlen(a); j++) ^ user.cpp:10:6: warning: unused variable ‘n’ [-Wunused-variable] int n,q,i,x,rez=0,sf=0,c,nr,poz,j,ok; ^