Compilare: main.cpp: In function 'int main()': main.cpp:62:17: warning: 'pozspec' may be used uninitialized in this function [-Wmaybe-uninitialized] int pozspec,nrspec=0,nrst,nrdr; ^~~~~~~ main.cpp:86:24: warning: 'nr' may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=1;i<=f[nr];i++) fout<<r[nr]<<' '; ~~~~^