Compilare: main.cpp: In function 'void ciur()': main.cpp:16:15: warning: iteration 10000001 invokes undefined behavior [-Waggressive-loop-optimizations] if(C[i]==0) ~~~^ main.cpp:14:19: note: within this loop for(int i=2; i<=NX; ++i) ~^~~~ main.cpp: In function 'void solve()': main.cpp:32:14: warning: iteration 10000001 invokes undefined behavior [-Waggressive-loop-optimizations] M[C[i]][0]++; ~~~^ main.cpp:30:19: note: within this loop for(int i=2; i<=NX; ++i) ~^~~~