Compilare: main.cpp: In function 'void solve()': main.cpp:16:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 16 | if(n[i]!='0') | ^ main.cpp:28:26: warning: left operand of comma operator has no effect [-Wunused-value] 28 | for(j=0,l=i;j<lm,l<i+lm;j++,l++) | ~^~~ main.cpp:11:15: warning: unused variable 'nr' [-Wunused-variable] 11 | int lm,ln,nr; | ^~