Compilare: user.cpp: In function ‘int main()’: user.cpp:11:21: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[20]’ [-Wformat=] scanf("%s%lld",&n,&p); ^ user.cpp:9:14: warning: unused variable ‘cn’ [-Wunused-variable] long long n1,cn,p,pp=0,sum=0; ^ user.cpp:10:13: warning: unused variable ‘cate’ [-Wunused-variable] int i,j,s=0,cate=0; ^ user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("7segmente.in","r",stdin); ^ user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("7segmente.out","w",stdout); ^ user.cpp:11:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s%lld",&n,&p); ^