Compilare: user.cpp: In function ‘bool pe_segment(int, int, int, int)’: user.cpp:72:14: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((t1>=x&&x>=s1||t1<=x&&x<=s1)&&(t2>=y&&y>=s2||t2<=y&&y<=s2)) ^ user.cpp:72:44: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((t1>=x&&x>=s1||t1<=x&&x<=s1)&&(t2>=y&&y>=s2||t2<=y&&y<=s2)) ^ user.cpp: In function ‘void puncte()’: user.cpp:82:54: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(!det(t1,t2,s1,s2,i,j)&&a[i][j]!=-1&&pe_segment(i,j,s1,s2)||((i==s1)&&(j==s2))) ^ user.cpp:84:54: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(!det(t1,t2,s3,s4,i,j)&&a[i][j]!=-1&&pe_segment(i,j,s3,s4)||((i==s3)&&(j==s4))) ^ user.cpp: In function ‘void citire()’: user.cpp:17:84: 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",&n,&t1,&t2,&s1,&s2,&s3,&s4,&r1,&r2,&r3,&r4,&k); ^ user.cpp:21:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ user.cpp: In function ‘int main()’: user.cpp:171:31: 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:172:33: 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); ^