Compilare: main.cpp: In function 'int main()': main.cpp:19:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<strlen(b[n]);j++) ~^~~~~~~~~~~~~ main.cpp:21:23: warning: array subscript is above array bounds [-Warray-bounds] c[1]+=nr; ^~ main.cpp:21:21: warning: array subscript is above array bounds [-Warray-bounds] c[1]+=nr; ~~~~^~~~ main.cpp:26:14: warning: array subscript is above array bounds [-Warray-bounds] g<<c[1]<<'\n'; ^~~~