Compilare: user.cpp: In function ‘int main()’: user.cpp:15:26: warning: writing into constant object (argument 2) [-Wformat=] scanf("%d","%d",&n,&m); ^ user.cpp:15:26: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘const char*’ [-Wformat=] user.cpp:15:26: warning: too many arguments for format [-Wformat-extra-args] user.cpp:14:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("carti3.in","r",stdin); ^ user.cpp:15:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d","%d",&n,&m); ^ user.cpp:18:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^ user.cpp:23:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^