Compilare: user.cpp: In function ‘int main()’: user.cpp:30:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rj.in","r",stdin); ^ user.cpp:31:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rj.out","w",stdout); ^ user.cpp:32:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%c",&n,&m,&c); ^ user.cpp:35:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&c); ^ user.cpp:52:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&c); ^ user.cpp:55:23: warning: ‘cj’ may be used uninitialized in this function [-Wmaybe-uninitialized] lee(lj,cj,julieta); ^ user.cpp:55:23: warning: ‘lj’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:54:21: warning: ‘cr’ may be used uninitialized in this function [-Wmaybe-uninitialized] lee(lr,cr,romeo); ^ user.cpp:54:21: warning: ‘lr’ may be used uninitialized in this function [-Wmaybe-uninitialized]