缁撴瀯浣撲笌鍏辩敤浣撹繃鍏抽
鍏?/p>
4
椤?/p>
绗?/p>
1
椤?/p>
鐝?/p>
绾?/p>
鑰?/p>
鍙?/p>
濮?/p>
鍚?/p>
_
_
_
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_
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璇?/p>
鍦?/p>
鍙?/p>
_
_
_
_
_
_
_
_
_
_
_
_
_
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搴?/p>
浣?/p>
鍙?/p>
_
_
_
_
_
_
_
_
_
_
_
_
_
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瑁?/p>
璁?/p>
绾?/p>
鍐?/p>
涓?/p>
瑕?/p>
绛?/p>
棰?/p>
飦?/p>
飦?/p>
飦?/p>
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瑁?/p>
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璁?/p>
飦?/p>
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绾?/p>
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飦?/p>
娌呮睙甯傝亴涓氫腑涓撹绠楁満涓撲笟銆?/p>
C
璇█銆嬭瘯鍗?/p>
缁撴瀯浣撲笌鍏辩敤浣撹繃鍏抽
鑰冪敓娉ㄦ剰锛氭湰璇曞嵎鍏?/p>
5
澶ч锛屾�诲垎
150
鍒嗭紝鑰冭瘯鏃堕棿
90
鍒嗛挓銆?/p>
涓�銆佺▼搴忓啓缁撴灉棰橈細鏈鍏?/p>
6
棰橈紝姣忛
5
鍒嗭紝鍏?/p>
30
鍒嗐�?/p>
1
锛?/p>
涓嬮潰绋嬪簭鐨勮緭鍑烘槸
_______
銆?/p>
main()
{ enum em{em1=3,em2=1,em3}x
锛?/p>
char *aa[]={"AA","BB","CC","DD"};
x=em2;
printf("%s%s%s\n",aa[em1],aa[x],aa[em3]);}
2.
涓嬮潰绋嬪簭鐨勮緭鍑虹粨鏋滄槸
________
銆?/p>
struct ks
{ int a; int *b;}
锛?/p>
main()
{ struct ks s[5],*p;
int n=1,i;
for(i=0;i<5;i++)
{ s[i].a=n;
s[i].b=&s[i].a;
n=n+3;
}
p=&s[1];
printf("%d,%d\n",++(*p->b),*(s+2)->b);}
3
锛庝笅闈㈢▼搴忕殑杈撳嚭鏄?/p>
Struct ab{int a[2];char b;float c;};
typedef union {
long x[2];
int y[7];
char z[8];
struct ab b[4];
} MY;
main()
{ MY them[10];
printf("%d\n",sizeof(them));}
4
锛?/p>
瀛楃藠
0
藠鐨?/p>
ASCII
鐮佺殑鍗佽繘鍒舵暟涓?/p>
48
锛屼笖鏁扮粍鐨勭
0
涓厓绱犲湪浣庝綅锛屽垯
浠ヤ笅绋嬪簭鐨勮緭鍑虹粨鏋滄槸
銆?/p>
main()
{ union
{ int b[4]
锛?/p>
long k
锛?/p>
char c[4]
锛?/p>
} a,*s=&a
锛?/p>
s->b[0]=0x3738
锛?/p>
s->b[1]=0x3635
锛?/p>
printf(
銆?/p>
%c\n
銆?/p>
,s->c[1])
锛?/p>
}
5
锛庢湁浠ヤ笅绋嬪簭杈撳嚭缁撴灉鏄?/p>
struct stu
{int num;char name[10];int age; };
void fun(struct stu *p)
{ p++;
p->age=45;
strcpy(p->name,
鈥?/p>
liming
鈥?/p>
);
}
main()
{struct stu ss[3]={{01,"zhang",20},{02,"Wang",19},{03,"zhao",18}};
fun(ss+1);
printf(
鈥?/p>
%d,%s,%d\n
鈥?/p>
,ss[2].num,ss[2].name,ss[2].age);}
6
锛庤浣嶆鐨勭┖闂村垎閰嶇敱鍙冲埌宸︼紝鍒欎互涓嬬▼搴忕殑杩愯缁撴灉鏄?/p>
銆?/p>
struct as
{ unsigned a : 2 ;
unsigned b : 3 ;
unsigned c : 4 ;
} data ;
main ( )
{ unsigned char x=45;
data.a=7 ;
data.b=2 ;
data.c=23;
data.i=68;
data.a=data.a&x;
data.c=data.b^x;
printf(
鈥?/p>
%d\n
鈥?/p>
,data.a+data.b+data.c) ;
}
浜屻�佺▼搴忓～绌洪锛氭湰棰樺叡
3
棰橈紝姣忛
10
鍒嗭紝鍏?/p>
30
鍒嗐�?/p>