Compilare: user.cpp: In function ‘void Backtr(int, int)’: user.cpp:183:21: warning: unused variable ‘ix’ [-Wunused-variable] int ix = fete[i]; ^ user.cpp: In function ‘void CalcDistances()’: user.cpp:227:9: warning: unused variable ‘i1’ [-Wunused-variable] int i1; ^ user.cpp:228:9: warning: unused variable ‘i2’ [-Wunused-variable] int i2; ^ user.cpp: In function ‘void Read()’: user.cpp:53:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:54:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &d); ^ user.cpp:60:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &elevi[i].px, &elevi[i].py); ^ user.cpp:61:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%c", &tmp); ^ user.cpp:64:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%c", &tmp); ^