Compilare: main.cpp: In function 'int main()': main.cpp:26:13: warning: unused variable 'ok' [-Wunused-variable] int ok = 0,j=0,s[505][505]; ^~ main.cpp:26:20: warning: unused variable 'j' [-Wunused-variable] int ok = 0,j=0,s[505][505]; ^ main.cpp:22:20: warning: iteration 504 invokes undefined behavior [-Waggressive-loop-optimizations] if(ff[i]==maxim) ~~~~^ main.cpp:21:22: note: within this loop for(int i=1;i<=505;i++){ ~^~~~~