Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:11:26: error: ‘pow’ was not declared in this scope printf("%d",pow(n,a-2)%a); ^ user.cpp:9:11: warning: unused variable ‘i’ [-Wunused-variable] int n,i,p=1,a; ^ user.cpp:9:13: warning: unused variable ‘p’ [-Wunused-variable] int n,i,p=1,a; ^ user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("inversodular.in","r",stdin); ^ user.cpp:8:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("inversmodular.out","w",stdout); ^ user.cpp:10:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&a); ^