Compilare: user.cpp: In function ‘void citire()’: user.cpp:14:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d %d" , &n , &m ) ; ^ user.cpp: In function ‘int main()’: user.cpp:96:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "pavare3.in" , "r" , stdin ) ; ^ user.cpp:97:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "pavare3.out" , "w" , stdout ) ; ^