Compilare: user.cpp: In function ‘int main()’: user.cpp:66:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ai.in","r",stdin); ^ user.cpp:67:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ai.out","w",stdout); ^ user.cpp:69:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:73:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&p1,&p2); ^ user.cpp:105:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:108:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i].x,&v[i].y); ^ user.cpp:127:27: warning: ‘r4’ may be used uninitialized in this function [-Wmaybe-uninitialized] leee(n,r3,r4,b,coada2); ^ user.cpp:127:27: warning: ‘r3’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:130:19: warning: ‘t2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s1<t1 && s2<t2) ^ user.cpp:130:10: warning: ‘t1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s1<t1 && s2<t2) ^ user.cpp:251:19: warning: ‘s4’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s3<t1 && s4>t2) ^ user.cpp:263:10: warning: ‘s3’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s3>t1 && s4<t2) ^ user.cpp:130:19: warning: ‘s2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s1<t1 && s2<t2) ^ user.cpp:130:10: warning: ‘s1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s1<t1 && s2<t2) ^ user.cpp:126:27: warning: ‘r2’ may be used uninitialized in this function [-Wmaybe-uninitialized] leee(n,r1,r2,a,coada1); ^ user.cpp:126:27: warning: ‘r1’ may be used uninitialized in this function [-Wmaybe-uninitialized]