Compilare: main.cpp:3: warning: ignoring '#pragma optimize GCC' [-Wunknown-pragmas] 3 | #pragma optimize GCC ("Ofast") | main.cpp: In function 'int main()': main.cpp:32:20: warning: iteration 30 invokes undefined behavior [-Waggressive-loop-optimizations] 32 | dist[i]=0; | ~~~~~~~^~ main.cpp:31:18: note: within this loop 31 | for(i=0;i<=30;i++) | ~^~~~ main.cpp:32:20: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [120, 123] is out of the bounds [0, 120] of object 'dist' with type 'int [30]' [-Warray-bounds] 32 | dist[i]=0; | ~~~~~~~^~ main.cpp:17:5: note: 'dist' declared here 17 | int dist[CHMAX]; | ^~~~