Compilare: main.cpp: In function 'int main()': main.cpp:54:12: warning: unused variable 's' [-Wunused-variable] 54 | ll s = 0; | ^ main.cpp:51:45: warning: iteration 100000 invokes undefined behavior [-Waggressive-loop-optimizations] 51 | for(ll i = 2; i <= 100002; i++) fact[i] = i * fact[i - 1] % mod; | ^ main.cpp:51:21: note: within this loop 51 | for(ll i = 2; i <= 100002; i++) fact[i] = i * fact[i - 1] % mod; | ~~^~~~~~~~~