Compilare: main.cpp: In function 'int main()': main.cpp:15:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &teste); ^ main.cpp:19:69: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d", &f1[1].x,&f1[1].y,&f2[1].x,&f2[1].y); ^