Compilare: user.cpp: In function ‘drept reuniune(drept, drept)’: user.cpp:9:8: warning: suggest parentheses around comparison in operand of ‘|’ [-Wparentheses] if(b.x>a.x1 | a.x>b.x1 | a.y>b.y1 | b.y>a.y1) ^ user.cpp:9:30: warning: suggest parentheses around comparison in operand of ‘|’ [-Wparentheses] if(b.x>a.x1 | a.x>b.x1 | a.y>b.y1 | b.y>a.y1) ^ user.cpp:9:41: warning: suggest parentheses around comparison in operand of ‘|’ [-Wparentheses] if(b.x>a.x1 | a.x>b.x1 | a.y>b.y1 | b.y>a.y1) ^ user.cpp: In function ‘int main()’: user.cpp:27:34: 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); ^ user.cpp:28:36: 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); ^ user.cpp:30:69: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld %lld %lld ",&v[i].x,&v[i].y,&v[i].x1,&v[i].y1); ^