Compilare: main.cpp: In function 'int main()': main.cpp:56:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<strlen(txt); j++) ~^~~~~~~~~~~~ main.cpp:47:26: warning: unused variable 'p' [-Wunused-variable] int v,maxim=-1,val=0,p=0,arie; ^ main.cpp:85:14: warning: 'poz_c' may be used uninitialized in this function [-Wmaybe-uninitialized] char poz_c; ^~~~~ main.cpp:142:27: warning: 'poz_y' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<poz_x<<" "<<poz_y<<endl<<poz_c; ^~~~~ main.cpp:142:22: warning: 'poz_x' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<poz_x<<" "<<poz_y<<endl<<poz_c; ^~~