Compilare: main.cpp: In function 'int solve(int)': main.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type] 53 | } | ^ main.cpp: In function 'void precalc()': main.cpp:18:15: warning: iteration 1000004 invokes undefined behavior [-Waggressive-loop-optimizations] 18 | fr[i] = i - 1; | ~~~~~~^~~~~~~ main.cpp:16:18: note: within this loop 16 | for(int i=1;i<=vmax+5;i++) | ~^~~~~~~~ main.cpp:30:15: warning: iteration 1000003 invokes undefined behavior [-Waggressive-loop-optimizations] 30 | fr[i] += fr[i-1]; | ~~~~~~^~~~~~~~~~ main.cpp:21:18: note: within this loop 21 | for(int i=2;i<=vmax+5;i++) | ~^~~~~~~~