Eroare de compilare: user.cpp:5:22: error: template argument 1 is invalid #define pii pair<,int> ^ user.cpp:16:1: note: in expansion of macro ‘pii’ pii v[nmax]; ^ user.cpp:16:12: error: invalid type in declaration before ‘;’ token pii v[nmax]; ^ user.cpp: In function ‘void readData()’: user.cpp:7:11: error: request for member ‘first’ in ‘v[i]’, which is of non-class type ‘int’ #define x first ^ user.cpp:23:29: note: in expansion of macro ‘x’ scanf("%d %d",&v[i].x,&v[i].y); ^ user.cpp:8:11: error: request for member ‘second’ in ‘v[i]’, which is of non-class type ‘int’ #define y second ^ user.cpp:23:37: note: in expansion of macro ‘y’ scanf("%d %d",&v[i].x,&v[i].y); ^ user.cpp: At global scope: user.cpp:5:22: error: template argument 1 is invalid #define pii pair<,int> ^ user.cpp:27:20: note: in expansion of macro ‘pii’ inline double dist(pii a,pii b) { ^ user.cpp:5:22: error: template argument 1 is invalid #define pii pair<,int> ^ user.cpp:27:26: note: in expansion of macro ‘pii’ inline double dist(pii a,pii b) { ^ user.cpp: In function ‘double dist(int, int)’: user.cpp:7:11: error: request for member ‘first’ in ‘a’, which is of non-class type ‘int’ #define x first ^ user.cpp:28:24: note: in expansion of macro ‘x’ return sqrt(1ll*(a.x - b.x)*(a.x - b.x) + 1ll*(a.y - b.y)*(a.y - b.y)); ^ user.cpp:7:11: error: request for member ‘first’ in ‘b’, which is of non-class type ‘int’ #define x first ^ user.cpp:28:30: note: in expansion of macro ‘x’ return sqrt(1ll*(a.x - b.x)*(a.x - b.x) + 1ll*(a.y - b.y)*(a.y - b.y)); ^ user.cpp:7:11: error: request for member ‘first’ in ‘a’, which is of non-class type ‘int’ #define x first