Compilare: main.cpp: In function 'int main()': main.cpp:19:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(s[i]-submin>s[i]) if(smax<s[i]-submin){smax=s[i]-submin; in=p; sf=i;} ^ main.cpp:23:32: warning: 'sf' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<smax<<" "<<in+1<<" "<<sf; ^ main.cpp:23:25: warning: 'in' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<smax<<" "<<in+1<<" "<<sf; ^~~