Compilare: user.cpp: In function ‘int main()’: user.cpp:92:11: warning: unused variable ‘v1’ [-Wunused-variable] float v1,v2,v3; ^ user.cpp:92:14: warning: unused variable ‘v2’ [-Wunused-variable] float v1,v2,v3; ^ user.cpp:92:17: warning: unused variable ‘v3’ [-Wunused-variable] float v1,v2,v3; ^ user.cpp: In function ‘void citeste(int&)’: user.cpp:14:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:15:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&t1,&t2); ^ user.cpp:16:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&s1,&s2); ^ user.cpp:17:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&s3,&s4); ^ user.cpp:18:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&r1,&r2); ^ user.cpp:19:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&r3,&r4); ^ user.cpp:20:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&k); ^ user.cpp:30:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&x,&y); ^ user.cpp: In function ‘int main()’: user.cpp:227:10: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(s2==j && j==t2 && s1<i && i<t1) // coliniaritate 2 ^