Compilare: user.cpp: In function ‘int main()’: user.cpp:49:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] { freopen( "cautbin.in" , "r" , stdin ) ; ^ user.cpp:50:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "cautbin.out" , "w" , stdout ) ; ^ user.cpp:52:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d",&n ) ; ^ user.cpp:54:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d",&v[i] ) ; ^ user.cpp:55:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d",&m ) ; ^ user.cpp:57:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d%d",&tip,&val ) ; ^ user.cpp: In function ‘int cb0(int, int, int)’: user.cpp:6:9: warning: ‘med’ may be used uninitialized in this function [-Wmaybe-uninitialized] int med ; ^ user.cpp: In function ‘int cb1(int, int, int)’: user.cpp:22:9: warning: ‘med’ may be used uninitialized in this function [-Wmaybe-uninitialized] int med ; ^ user.cpp: In function ‘int cb2(int, int, int)’: user.cpp:36:9: warning: ‘med’ may be used uninitialized in this function [-Wmaybe-uninitialized] int med ; ^ user.cpp: In function ‘int main()’: user.cpp:6:9: warning: ‘med’ may be used uninitialized in this function [-Wmaybe-uninitialized] int med ; ^ user.cpp:22:9: warning: ‘med’ may be used uninitialized in this function [-Wmaybe-uninitialized] int med ; ^ user.cpp:36:9: warning: ‘med’ may be used uninitialized in this function [-Wmaybe-uninitialized] int med ; ^