Eroare de compilare: user.cpp: In function ‘short int read()’: user.cpp:10:18: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[30]’ [-Wformat=] scanf("%s",&c); ^ user.cpp: In function ‘int main()’: user.cpp:20:9: error: redeclaration of ‘int n’ int n=read(),m=read(); ^ user.cpp:17:9: error: ‘int n’ previously declared here int n,m; ^ user.cpp:20:18: error: redeclaration of ‘int m’ int n=read(),m=read(); ^ user.cpp:17:11: error: ‘int m’ previously declared here int n,m; ^ user.cpp:18:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("flori.in","r",stdin); ^ user.cpp:19:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("flori.out","w",stdout); ^ user.cpp: In function ‘short int read()’: user.cpp:10:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&c); ^