Compilare: main.cpp: In function 'void update(int)': main.cpp:104:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(v[poz].cost==2) ^ main.cpp:112:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(v[poz].cost==1) ^ main.cpp:120:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(v[poz].cost==0) ^ main.cpp: In function 'void solve()': main.cpp:159:15: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] update(v[poz].desta); ~~~~~~^~~~~~~~~~~~~~