Compilare: user.cpp: In function ‘void readData()’: user.cpp:22:88: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d %d %d %d %d ", &t, &m, &n, &v, &x_nord, &x_sud, &y_vest, &y_est); ^ user.cpp:25:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ", &a[i][j]); ^