Compilare: user.cpp: In function ‘void bordare()’: user.cpp:16:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp: In function ‘int main()’: user.cpp:41:28: warning: narrowing conversion of ‘x1’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] q[++u]=(pozitie){x1, y1}; ^ user.cpp:41:28: warning: narrowing conversion of ‘y1’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp:30:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,k,copaci,x1,y1,x2,y2,d,xx,yy; ^ user.cpp:30:13: warning: unused variable ‘k’ [-Wunused-variable] int i,j,k,copaci,x1,y1,x2,y2,d,xx,yy; ^ user.cpp:28:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alee.in","r",stdin); ^ user.cpp:29:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alee.out","w",stdout); ^ user.cpp:31:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&copaci); ^ user.cpp:34:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&xx,&yy); ^ user.cpp:37:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&x1,&y1,&x2,&y2); ^