鏄ユ禉姹熺渷楂樼瓑瀛︽牎
璁＄畻鏈虹瓑绾ц�冭瘯璇曞嵎
璇曢
1
锛堟瘡灏忛
3
鍒嗭紝鍏?/p>
12
鍒嗭級
闃呰涓嬪垪绋嬪簭璇存槑鍜岀▼搴忥紝鍦ㄦ瘡灏忛鎻愪緵鐨勮嫢骞插彲閫夌瓟妗堜腑锛屾寫閫変竴涓纭瓟妗堛�?/p>
銆愮▼搴忚鏄庛�?/p>
杈撳叆涓�涓鏁存暟
n
锛岃绠椾笅鍒楀紡鐨勫墠
n
椤逛箣鍜屻�?/p>
杩愯绀轰緥锛?/p>
Enter n:2
Sum=0.67
銆愮▼搴忋�?/p>
#include <stdio.H>
main()
{ int denomiator,flag,i,n;
double item,sum;
printf("Enter n:");
scanf("%d",&n);
denomiator=1;
锛?/p>
1
锛?/p>
;
sum=0;
for(i=1;
锛?/p>
2
锛?/p>
;i++)
{
锛?/p>
3
锛?/p>
;
sum=sum+item;
锛?/p>
4
锛?/p>
;
denomiator=denomiator+2;
}
printf("Sum=%.2f\n",sum);
}
銆愪緵閫夋嫨鐨勭瓟妗堛�?/p>
锛?/p>
1
锛?/p>
A
锛?/p>
flag=0
B
锛?/p>
flag=-1;
C
锛?/p>
flag=n
D
锛?/p>
flag=1
//
绛旀
D
锛?/p>
2
锛?/p>
A
锛?/p>
i>=n
B
锛?/p>
i<n
C
锛?/p>
i>n
D
锛?/p>
i<=n
//
绛旀
D
锛?/p>
3
锛?/p>
A
锛?/p>
item=flag/ denomiator
B
锛?/p>
item=1/ denomiator
C
锛?/p>
item=flag*1.0/ denomiator
D
锛?/p>
item=1.0/ denomiator//
绛旀
C
锛?/p>
4
锛?/p>
A
锛?/p>
flag==-1
B
锛?/p>
flag=0
C
锛?/p>
flag=-flag
D
锛?/p>
flag=flag
//
绛旀
C
璇曢
2
锛堟瘡灏忛
3
鍒嗭紝鍏?/p>
12
鍒嗭級
闃呰涓嬪垪绋嬪簭璇存槑鍜岀▼搴忥紝鍦ㄦ瘡灏忛鎻愪緵鐨勮嫢骞插彲閫夌瓟妗堜腑锛屾寫閫変竴涓纭瓟妗堛�?/p>
銆愮▼搴忚鏄庛�?/p>
楠?/p>
璇?/p>
鍝?/p>
寰?/p>
宸?/p>
璧?/p>
鐚?/p>
鎯?/p>
:
浠?/p>
浣?/p>
涓�
涓?/p>
澶?/p>
浜?/p>
6
鐨?/p>
鍋?/p>
鏁?/p>
鍧?/p>
鍙?/p>
琛?/p>
绀?/p>
涓?/p>
涓?/p>
涓?/p>
绱?/p>
鏁?/p>
涔?/p>
鍜?/p>
銆?/p>
渚?/p>
濡?/p>
6=3+3,8=3+
5鈥︹�?18=7+11
銆?/p>
灏?/p>
6-20
涔嬮棿鐨勫伓鏁拌〃绀烘垚涓や釜绱犳暟涔嬪拰锛?/p>
鎵撳嵃鏃朵竴琛屾墦鍗?/p>
5
缁勩�?/p>
瑕佹眰瀹氫箟鍜岃皟鐢ㄥ嚱鏁?/p>
prime(m)
鍒ゆ柇
m
鏄惁涓虹礌鏁帮紝褰?/p>
m
涓虹礌鏁版椂杩斿洖
1
锛屽惁鍒欒繑鍥?/p>
0
銆傜礌