Compilare: main.cpp: In function 'void precalc()': main.cpp:14:10: warning: iteration 1000003 invokes undefined behavior [-Waggressive-loop-optimizations] 14 | f[i] = i; | ~~~~~^~~ main.cpp:13:21: note: within this loop 13 | for (int i = 2; i <= NM; i++){ | ~~^~~~~ main.cpp:24:10: warning: iteration 1000003 invokes undefined behavior [-Waggressive-loop-optimizations] 24 | f[i] += f[i - 1]; | ~~~~~^~~~~~~~~~~ main.cpp:23:21: note: within this loop 23 | for (int i = 2; i <= NM; i++){ | ~~^~~~~