Compilare: user.cpp: In function ‘int main()’: user.cpp:20:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<s.size();j++) ^ user.cpp:13:28: warning: unused variable ‘ok’ [-Wunused-variable] int n,p,i,j,maxx=0,t,q,ok,poz; ^ user.cpp:64:30: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(j=1;j<=m[poz][0];j++) ^ user.cpp:59:17: warning: ‘q’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(q==t || cont>1) ^ user.cpp:59:17: warning: ‘t’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:34:25: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(ok==0 && j<=maxx) ^