Eroare de compilare: main.cpp: In function 'long long int calc(long long int)': main.cpp:38:18: error: 'fact' was not declared in this scope 38 | return 1LL * fact[2 * nr] * invmod(lgput(2,nr)) % Mod; | ^~~~ main.cpp: In function 'long long int comb(long long int, long long int)': main.cpp:43:18: error: 'fact' was not declared in this scope 43 | return 1LL * fact[n] * invfact[k] % Mod * invfact[n - k] % Mod; | ^~~~ main.cpp:43:28: error: 'invfact' was not declared in this scope 43 | return 1LL * fact[n] * invfact[k] % Mod * invfact[n - k] % Mod; | ^~~~~~~ main.cpp: In function 'void precalc()': main.cpp:48:5: error: 'fact' was not declared in this scope 48 | fact[0] = 1; | ^~~~ main.cpp:53:5: error: 'invfact' was not declared in this scope 53 | invfact[vmax] = invmod(fact[vmax]); | ^~~~~~~ At global scope: cc1plus: error: '::main' must return 'int' main.cpp: In function 'int main()': main.cpp:67:8: error: 'n' was not declared in this scope 67 | f>>n>>m; | ^ main.cpp:67:11: error: 'm' was not declared in this scope 67 | f>>n>>m; | ^ main.cpp:74:13: error: 'rez' was not declared in this scope 74 | rez += dp[n][i] * calc(n - i) % Mod * comb(n,i) % Mod; | ^~~ main.cpp:74:20: error: 'dp' was not declared in this scope 74 | rez += dp[n][i] * calc(n - i) % Mod * comb(n,i) % Mod; | ^~ main.cpp:79:13: error: 'rez' was not declared in this scope 79 | rez -= dp[n][i] * calc(n - i) % Mod * comb(n,i) % Mod; | ^~~ main.cpp:79:20: error: 'dp' was not declared in this scope 79 | rez -= dp[n][i] * calc(n - i) % Mod * comb(n,i) % Mod; | ^~ Non zero exit status: 1