Eroare de compilare: main.cpp: In function 'long long int nr_perm(int)': main.cpp:15:25: error: 'fact' was not declared in this scope long long f1 = fact(ne); ^ main.cpp: In function 'void fact(int)': main.cpp:25:10: error: return-statement with a value, in function returning 'void' [-fpermissive] return rez; ^~~ main.cpp: In function 'int main()': main.cpp:34:17: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[25]' [-Wformat=] scanf("%s", &s); ^ main.cpp:29:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("numere7.in", "r", stdin); ^ main.cpp:30:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("numere7.out", "w", stdout); ^ main.cpp:33:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld ", &n); ^ main.cpp:34:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s); ^ Non zero exit status: 1