瀹屾垚涓嬪垪缁冧範棰?/p>
(1)
涓嬪垪鍝簺鏄?/p>
C
璇█涓殑閿欒琛ㄨ揪寮?/p>
_
銆?/p>
鈶犫懁鈶モ懄
鈶?/p>
++a+++b
鈶?/p>
鈥?/p>
ABC
鈥?nbsp;鈥?/p>
abc
鈥?/p>
鈶?/p>
-a++
鈶?/p>
-++a
鈶?/p>
++-a
鈶?/p>
int(x)
鈶?/p>
x>y=2
(2)
宸茬煡鍙橀噺澹版槑
:int w;
long x,
float y;
double z;
锛屽垯浠ヤ笅璇彞鍦ㄦ墽琛屾椂锛?/p>
鍙湁
鑳藉皢閿洏杈撳叆鐨勫�兼纭湴閫佸叆鍒?/p>
w
锛?/p>
x
锛?/p>
y
锛?/p>
z
鍚勫彉閲忎腑銆?/p>
A. scanf(鈥?d%d%d%d鈥?&w, &x,&y,&z);
B. scanf(鈥?d%d%f%f鈥?&w,&x,&y,&z );
C.
scanf(鈥?d%ld%f%lf鈥?&w,&x,&y,&z);
D. scanf(鈥?d%ld%f%lf鈥?w,x, y,z);
(3)
浠ヤ笅绋嬪簭娈垫墽琛屽悗锛屽皢杈撳嚭
銆?/p>
no
unsigned char x,a,b;
x=0;
a=x-1;b=x;
if(a<b)printf(
鈥?/p>
ok
鈥?/p>
);
else printf(
鈥?/p>
no
鈥?/p>
);
(4)
鑻ユ湁澹版槑
鈥渇loat f=123.45678;鈥?/p>
锛屽垯鎵ц璇彞
鈥減rintf( "%.3f",f );鈥?/p>
鍚庯紝杈撳嚭缁撴灉鏄?/p>
銆?/p>
锛?/p>
.
1.23e+02
锛?/p>
.
123.457
锛?/p>
.
123.456780
锛?/p>
.
1.234e+02
(5)
鑻ユ湁澹版槑鈥渓ong a,b;鈥濅笖鍙橀噺
a
鍜?/p>
b
閮介渶瑕侀�氳繃閿洏杈撳叆鑾峰緱鍒濆�硷紝鍒欎笅鍒楄鍙ヤ腑姝ｇ‘
鐨勬槸
锛?/p>
23
锛?/p>
銆?/p>
A. scanf ( "%ld%ld,&a,&b" ) ;
B. scanf ( "%d%d" , a , b ) ;
C. scanf ( "%d%d" , &a , &b) ;
D.
scanf ( "%ld%ld" , &a , &b );
(6)
鑻ユ湁澹版槑
鈥?nbsp;int a=5 , b=2 ; 鈥?nbsp;锛屽垯琛ㄨ揪寮?/p>
: b+=(float)(a+b)/2
杩愮畻鍚?/p>
b
鐨勫�间负
銆?/p>
5
(7)
璁炬湁澹版槑
鈥?nbsp; int a=3, b=4; float x=4.5, y=3.5;
鈥濓紝鍒欒〃杈惧紡
:
(float)(a+b)/2+(int)x%(int)y 鈥?nbsp; 鐨勫�兼槸
銆?/p>
4.5
(8)
宸茬煡鏌愮▼搴忎腑鏈変互涓嬬墖鏂細
#define p 2.5
main( )
{
float x;
x=p;
鈥︹�?
}
鍒?/p>
main
鍑芥暟涓爣璇嗙
p
浠ｈ〃涓�涓?/p>
銆?/p>
A
銆?/p>
float
鍨嬪彉閲?/p>
B
銆?/p>
double
鍨嬪彉閲?/p>