Compilare: main.cpp: In function 'long long int la_put(long long int, long long int)': main.cpp:28:23: warning: unused variable 'y2' [-Wunused-variable] ll put = x , s = 1,y2 = y; ^~ main.cpp: In function 'int main()': main.cpp:94:15: warning: iteration 48 invokes undefined behavior [-Waggressive-loop-optimizations] fact[i] = 1LL * fact[i - 1] * i % P; ^ main.cpp:93:18: note: within this loop for (i = 2; i <= 50; i++) ~~^~~~~