Compilare: main.cpp: In function 'int main()': main.cpp:11:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("reuniune.in","r",stdin); ^ main.cpp:12:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("reuniune.out","w",stdout); ^ main.cpp:15:140: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d%d%d%d%d%d%d",&v[1].x,&v[1].y,&v[1].x1,&v[1].y1,&v[2].x,&v[2].y,&v[2].x1,&v[2].y1,&v[3].x,&v[3].y,&v[3].x1,&v[3].y1); ^