Compilare: user.cpp: In function ‘int main()’: user.cpp:60:25: warning: unused variable ‘t5’ [-Wunused-variable] int n,i,t1,t2,t3,t4,t5,t6,t7,t8,x,ans=0,j; ^ user.cpp:60:28: warning: unused variable ‘t6’ [-Wunused-variable] int n,i,t1,t2,t3,t4,t5,t6,t7,t8,x,ans=0,j; ^ user.cpp:60:31: warning: unused variable ‘t7’ [-Wunused-variable] int n,i,t1,t2,t3,t4,t5,t6,t7,t8,x,ans=0,j; ^ user.cpp:60:34: warning: unused variable ‘t8’ [-Wunused-variable] int n,i,t1,t2,t3,t4,t5,t6,t7,t8,x,ans=0,j; ^ user.cpp:60:37: warning: unused variable ‘x’ [-Wunused-variable] int n,i,t1,t2,t3,t4,t5,t6,t7,t8,x,ans=0,j; ^ user.cpp:61:11: warning: unused variable ‘P1’ [-Wunused-variable] POINT P1,P2,P3,P4,I; ^ user.cpp:61:14: warning: unused variable ‘P2’ [-Wunused-variable] POINT P1,P2,P3,P4,I; ^ user.cpp:61:17: warning: unused variable ‘P3’ [-Wunused-variable] POINT P1,P2,P3,P4,I; ^ user.cpp:61:20: warning: unused variable ‘P4’ [-Wunused-variable] POINT P1,P2,P3,P4,I; ^ user.cpp:61:23: warning: unused variable ‘I’ [-Wunused-variable] POINT P1,P2,P3,P4,I; ^ user.cpp:58:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometry.in","r",stdin); ^ user.cpp:59:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometry.out","w",stdout); ^ user.cpp:62:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:66:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&t1,&t2,&t3,&t4); ^