9.16作业 甘燚

1 NSLog(@"char-%zu",sizeof(char));
2
3 NSLog(@"int-%zu\n,float-%zu\n,double-%zu\n",sizeof(int),sizeof(float),sizeof(double));
4
5 NSLog(@"long-%zu\n,longlong-%zu\n,short-%zu\n",sizeof(long),sizeof(long long),sizeof(short));
6
7
8
9 NSLog(@"%.4f\n",2.3f);
10
11
12
13 int num=9;//初试长度
14
15 int i=num;
16
17 int a;
18
19 int lose;//前缀空格长度
20
21 for(i;i>=0;i--){
22
23 if(i%2==0){
24
25 a=i;
26
27 lose = (num-i)/2;
28
29 for(lose;lose>=0;lose--){
30
31 printf(" ");
32
33 }
34
35 for(a; a >= 0; a--){
36
37 printf("*");
38
39 }
40
41 printf("\n");
42
43 }
44
45 }