Compilare: user.c: In function ‘main’: user.c:80:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &T ) ; ^ user.c:83:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &n, &m ) ; ^ user.c:86:16: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &a[i][j] ) ; ^ user.c: In function ‘diag_principala’: user.c:13:6: warning: ‘i’ is used uninitialized in this function [-Wuninitialized] ci = i ; /// Coloana ^ user.c: In function ‘diag_secundara’: user.c:44:6: warning: ‘i’ is used uninitialized in this function [-Wuninitialized] ci = i ; /// Coloana ^