Compilare: user.cpp: In function ‘int inpolig(punct, punct*, int)’: user.cpp:25:15: warning: unused variable ‘x’ [-Wunused-variable] int i,j,k,x,intersectii=0; ^ user.cpp: In function ‘int main()’: user.cpp:76:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:78:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%f %f",&a[i].x,&a[i].y); ^ user.cpp:79:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ user.cpp:81:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%f %f",&b[i].x,&b[i].y); ^