Compilare: main.cpp: In member function 'bool Line::operator<(const Line&) const': main.cpp:30:34: warning: suggest parentheses around '&&' within '||' [-Wparentheses] return a > p.a or a == p.a and b > p.b; ~~~~~~~~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("dezintegrare.in","r",stdin); ^ main.cpp:72:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("dezintegrare.out","w",stdout); ^ main.cpp:73:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&k,&q); ^ main.cpp:75:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%d", &c[i], &l[i]); ^ main.cpp:80:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^