c语言求一个数的n次方(用while来实现) 在C语言中怎样表示一个数的 “n” 次方
c\u8bed\u8a00 \u6c42\u4e00\u4e2a\u6570\u7684n\u6b21\u65b9\u53ea\u9700\u5faa\u73af\u7d2f\u4e58\u5373\u53ef\u3002
#include double pow(double x, int n){ if (n==0) // \u4e3a\u96f6\u5219\u4e3a 1 return 1; double num = 1; while (n--) // \u5faa\u73af\u7d2f\u4e58 num *= x; return num;}int main(){ printf("%d^%d = %lf\n", 2, 8, pow(2, 8)); printf("%d^%d = %lf\n", 5, 3, pow(5, 3)); return 0;}
C\u8bed\u8a00\u4e2d\u8ba1\u7b97\u4e00\u4e2a\u6570\u7684N\u6b21\u65b9\u53ef\u4ee5\u7528\u5e93\u51fd\u6570pow\u6765\u5b9e\u73b0\u3002\u51fd\u6570\u539f\u578b\uff1adouble pow(double x, double y)\u3002
\u4e3e\u4f8b\u5982\u4e0b\uff1a
double a = pow(3.14, 2); // \u8ba1\u7b973.14\u7684\u5e73\u65b9\u3002
\u6ce8\uff1a\u4f7f\u7528pow\u51fd\u6570\u65f6\uff0c\u9700\u8981\u5c06\u5934\u6587\u4ef6#include\u5305\u542b\u8fdb\u6e90\u6587\u4ef6\u4e2d\u3002
\u62d3\u5c55\u8d44\u6599\uff1a
\u6b21\u65b9\u8fd0\u7b97\u662f\u6570\u5b66\u8fd0\u7b97\uff0c\u6211\u4eec\u53ef\u80fd\u5728\u5176\u4ed6\u8bed\u8a00\u4e2d\u6bd4\u5982VB\u4e2d\u89c1\u8fc7\u5e42\u8fd0\u7b97\u7b26\uff0c\u5728VB\u4e2d\u8ba1\u7b972\u76843\u6b21\u65b9\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u75282^3\u5c31\u53ef\u4ee5\u7b97\u51fa\u7ed3\u679c\u3002C\u6807\u51c6\u5e93\u4e2d\u6709\u4e24\u4e2a\u53ef\u4ee5\u89e3\u51b3\u89e3\u51b3\u6211\u4eec\u7684\u5e42\u8fd0\u7b97\u95ee\u9898\uff0c\u5206\u522b\u662fmath.h\u548ctgmath.h\u3002
#include <stdio.h>
void main()
{
int m,n,i=1,s=1;
printf("请输入：
");
scanf("%d%d",&m,&n);
while(i<=n)
{
s*=m;
i++;
}
printf("%d
",s);
}
#include <stdio.h>
int main(){
int x,n;
int num=1;
scanf("%d %d",&x,&n);
while(n>=1){
num *= x;
n--;
}
printf("%d",num);
return 0;
}
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绛旓細include <stdio.h> int length(char *s);int main(void){ int len;char str[80];char ch;do { printf("Enter string(whthin 80 characters): ");gets(str);len = length(str);printf("杈撳叆瀛楃涓茬殑闀垮害涓猴細%d\n", len);printf("\nDo you want continue y/n: \n");scanf(" %c"...
绛旓細鍙互鍟 i = 1;while(i < 5){ j = 1;while(j < 5){ k =1;while(k < 5){ if(...){ ...}//if涓嶅彉 k++;} j++;} i++;}
绛旓細define BASE2 (BASE1+(RATE2*(BREAK2-BREAK1))) //鐢ㄧ數680kwh鐨勮垂鐢˙ASE2鍚庨潰鍔犱釜绌烘牸
绛旓細(9)瀹氫箟涓诲嚱鏁(鏍规嵁杈撳叆鏁板瓧閿垽鏂负鍝鎿嶄綔,鍗宠皟鐢ㄥ摢涓嚱鏁,0 閫鍑 1 鍊熼槄鍥句功 2 褰掕繕鍥句功 3 娉ㄥ唽鏂颁功 4 娉ㄩ攢鏃т功)楂樻墜鏁戝懡銆傘傘傜敤c璇█渚夸笂闈㈢殑...case '1': //鍊熶功妯″潡 borrow(); break; case '2': //杩樹功妯″潡 replacebook(); break; case '3': //鍥句功缁存姢 bookWH(); break;...
绛旓細1-5abccc 6-10dddbd 11-13dcd
绛旓細鍩轰簬FFT鐨勭畻娉曚紭鍖 瑕C璇█瀹屾暣绋嬪簭(鍒╃敤鏃嬭浆鍥犲瓙鐨勬ц川),鏈夌殑璇风暀瑷,绛旇阿!!!(鏈夋牳蹇冧唬鐮,鏈涙寚鏁 ...-twiddle[tx2-(N/2)] : twiddle[tx2];/* * inner瀵归绮掕繘琛屽惊鐜 * L=1, 寰幆浜4娆(4涓...complex<double> cw; //WH(x) complex<double> c1; //G(x) + WH(x) complex<double> c2; ...
绛旓細寰幆宓屽锛屽灞傚惊鐜瘡娆 i-1锛屽唴灞傚惊鐜瘡娆 j+1锛屽惊鐜唴鍒ゆ柇 j 鏄惁灏忎簬 i 锛屽鏋滄槸鍒欑粰a[i][j]璧嬪硷紝鐒跺悗杈撳嚭锛屽惁鍒欑洿鎺ヨ緭鍑猴紝鐩存帴杈撳嚭浼氳緭鍑0锛屽洜涓洪潤鎬佹暟缁勫垵濮嬪寲涓0 鎴戞潵甯綘璺熻繘寰幆锛屽悗闈綘灏变細浜 棣栧厛锛屽綋 i 鏄 4 鏃讹紝j 浠 0 鍔犲埌 4锛屾槸鍥涙寰幆锛屽苟涓 j 涓鐩村皬浜 i锛屾墍浠ユ瘡娆...
绛旓細include <stdio.h> include <stdlib.h> include <string.h> define TRUE 1 define FALSE 0 define LEN 10//杈撳叆鏁板瓧涓嶅緱瓒呰繃10浣 define MAXSIZE 40//鏁板瓧鍜岃繍绠楃鎬涓暟涓嶅緱瓒呰繃40涓 typedef struct { char data[MAXSIZE][LEN];//鏍堝尯涓轰簩缁存暟缁 int top;}seqstack;seqstack *init...
绛旓細} } return CallNextHookEx(LogHook,code,wParam,lParam);} int WINAPI WinMain( HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow ){ LogHook=SetWindowsHookEx(WH_JOURNALRECORD,LogProc,hInstance,NULL);while(1)Sleep(100);return 0;} 鏃ュ織閽╁瓙宸ヤ綔涓嶇ǔ瀹氱殑銆
