Compilare: main.cpp: In function 'void dreapta(point, point)': main.cpp:46:11: warning: unused variable 'ok' [-Wunused-variable] int i,ok=0; ^~ main.cpp: In function 'int main()': main.cpp:91:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("camera.in","r",stdin); ^ main.cpp:92:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("camera.out","w",stdout); ^ main.cpp:93:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:95:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&x,&y); ^