Compilare: user.cpp: In function ‘void dinamica()’: user.cpp:87:21: warning: unused variable ‘x2’ [-Wunused-variable] int x2 = punct1->x, y2 = punct1->y; ^ user.cpp:87:37: warning: unused variable ‘y2’ [-Wunused-variable] int x2 = punct1->x, y2 = punct1->y; ^ user.cpp:83:17: warning: unused variable ‘x1’ [-Wunused-variable] int x1 = punct->x, y1 = punct->y; ^ user.cpp:83:32: warning: unused variable ‘y1’ [-Wunused-variable] int x1 = punct->x, y1 = punct->y; ^ user.cpp: In function ‘void citire()’: user.cpp:34:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &cercuri); ^ user.cpp:39:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &c.x, &c.y, &c.r); ^ user.cpp: In function ‘int main()’: user.cpp:115:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cerc3.in", "r", stdin); ^ user.cpp:116:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cerc3.out", "w", stdout); ^