Compilare: user.cpp: In function ‘int poz(int, int, drept*)’: user.cpp:28:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (v[i].s.y==v[j].s.y) ^ user.cpp:21:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (v[i].s.x==v[j].s.x) ^ user.cpp: In function ‘int main()’: user.cpp:60:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &a, &b, &u); ^ user.cpp:62:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d",&um[i].x, &um[i].y); ^ user.cpp:63:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:66:75: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d",&pt[i].s.x, &pt[i].s.y, &pt[i].j.x, &pt[i].j.y); ^ user.cpp:67:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &m); ^ user.cpp:69:75: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d",&pl[i].s.x, &pl[i].s.y, &pl[i].j.x, &pl[i].j.y); ^