Compilare: user.cpp: In function ‘int main()’: user.cpp:70:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[j].type==0) ^ user.cpp:78:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[j].type==0) ^ user.cpp:48:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&N); ^ user.cpp:51:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&v[i].type); ^ user.cpp:54:70: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d%d%d%d",&v[i].x1,&v[i].y1,&v[i].x2,&v[i].y2); ^ user.cpp:59:58: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d%d%d",&v[i].x1,&v[i].y1,&v[i].r); ^