Compilare: user.cpp: In function ‘int main()’: user.cpp:77:9: warning: unused variable ‘x’ [-Wunused-variable] int x,y,z; ^ user.cpp:77:11: warning: unused variable ‘y’ [-Wunused-variable] int x,y,z; ^ user.cpp:77:13: warning: unused variable ‘z’ [-Wunused-variable] int x,y,z; ^ user.cpp:73:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("invazia.in","r",stdin); ^ user.cpp:74:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("invazia.out","w",stdout); ^ user.cpp:75:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:80:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c%c",&ch,&ch); ^ user.cpp:84:91: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&inserari[curent][1],&inserari[curent][2],&inserari[curent][3]); ^ user.cpp:95:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v); ^