设a=1;b=2;c=3;d=4;m=1;n=1;执行语句(m=a>b)&&(n=c>d);后m,n的值
A: m=0,n=1
B: m=0,n=0
C: m=1,n=1
D: m=1,n=0
A: m=0,n=1
B: m=0,n=0
C: m=1,n=1
D: m=1,n=0
举一反三
- int m = 0, n;n = ++m; n = m++;执行上述语句后,m、n的结果为______。 A: 2 1 B: 2 2 C: 1 1 D: 0 1
- 下列各组量子数中正确的是 A: n = 3,l = 1,m = -1 B: n = 2,l = 2,m = 0 C: n = 2,l = 0,m = -1 D: n = 2,l = 3,m = 0 E: n = 1,l = 2,m = 1 F: n = 4,l = 0,m =1
- 在下列六组量子数中,正确的是① n=3,l= 1,m=-1 ② n = 3,l= 0,m = 0③ n = 2,l= 2 ,m=-1 ④ n = 2, l = 1 ,m = 0 ⑤ n = 2,l = 0,m =-1 ⑥ n= 2,l = 3 , m= 2 A: (1),(2),(4) B: (2),(4),(6) C: (1),(2),(3) D: (1),(3),(5)
- 在下列六组量子数中,正确的是① n=3,l= 1,m=-1 ② n = 3,l= 0,m = 0 ③ n = 2,l= 2 ,m=-1 ④ n = 2, l = 1 ,m = 0 ⑤ n = 2,l = 0,m =-1 ⑥ n= 2,l = 3 , m= 2 A: ①、③、⑤ B: ②、④、⑥ C: ①、②、③ D: ①、②、④
- 下列各组量子数哪些是不合理的,为什么? (1) n=2,l=1,m=0; (2) n=2,l=2,m=-1; (3) n=3,l=0,m=0; (4) n=3,l=1,m=+1; (5) n=2,l=0,m=-1; (6) n=2,l=3,m=+2