Compilare: user.cpp: In function ‘int main()’: user.cpp:12:18: warning: unused variable ‘q1’ [-Wunused-variable] int contor=0,q,w,q1,w1; ^ user.cpp:12:21: warning: unused variable ‘w1’ [-Wunused-variable] int contor=0,q,w,q1,w1; ^ user.cpp:14:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d",&sx,&sy,&s,&n); ^ user.cpp:18:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&q,&w); ^