c语言如何计算x的n次幂，必须用循环结构 C语言如何计算x的n次方
c\u8bed\u8a00\u5faa\u73af\u7ed3\u6784\u6c42X\u7684N\u6b21\u65b9#include "stdio.h"void main()
{...//\u5728main\u51fd\u6570\u91cc\u5f15\u7528\u4e0b\u9762\u7684\u51fd\u6570}//\u5faa\u73af\u6c42X\u7684N\u6b21\u65b9\u7684\u51fd\u6570double power(double x, int n)
{
double val=1.0; //\uff08\u521d\u59cb\u5316\u8fd4\u56de\u503c\uff09
while(n--) //\uff08\u5faa\u73afN\u6b21\uff0cN\u6b21\u65b9\uff09
val=val*x; //\uff08\u6bcf\u6b21\u4e58\u4ee5X\uff0c\u76f8\u5f53\u4e8e\u4e58\u4ee51\u6b21\u65b9\uff09
return(val); //\uff08\u8fd4\u56de\u7ed3\u679c\uff09
}
#include "stdio.h"
void main()
{
int x,n;
long sum=1;
printf("\u8bf7\u8f93\u5165x:");
scanf("%d",&x);
printf("\u8bf7\u8f93\u5165n:");
scanf("%d",&n);
printf("%d\u7684%d\u6b21\u65b9\u662f",x,n);
for(int i=1;i<=n;i++)
sum*=x;
printf("%d\n",sum);
}
#include <stdio.h>
int main()
{
float a,s=1;
int n;
printf("输入一个正实数
");
scanf("%f",&a);
printf("输入一个正整数
");
scanf("%d",&n);
while(n>0)
{
s*=a;
n--;
}
printf("%f的%d次幂是%f
",a,n,s);
return 0;
}
#include <stdio.h>
int main(int argc, char *argv[])
{
int x,n,i,v;
while (1)
{
printf("一个正实数x和一个正整数n（n<50）:");
scanf("%d%d",&x,&n);
if (x>0 && n>0 && n<50)
break;
}
v=x;
for (i=0; i<n-1; i++)
{
v = x*v;
}
printf("计算结果：%d\n",v);
return 0;
}
绛旓細include <stdio.h>int main(){float a,s=1;int n; printf("杈撳叆涓涓瀹炴暟\n");scanf("%f",&a);printf("杈撳叆涓涓鏁存暟\n");scanf("%d",&n);while(n>0){s*=a;n--;}printf("%f鐨%d娆″箓鏄%f\n",a,n,s);return 0;} ...
绛旓細1 浣跨敤pow鍑芥暟銆傚湪C璇█鐨勬爣鍑嗗ご鏂囦欢math.h涓紝鏈夊簱鍑芥暟pow锛屽０鏄庝负 double pow(double x, double n);鍏跺姛鑳戒负璁＄畻x鐨刵娆℃柟骞惰繑鍥炵粨鏋溿傛墍浠ュ彲浠ョ敤pow璁＄畻x鐨刵娆℃柟銆傝鍑芥暟閫傜敤浜庝互涓嬪嚑绉嶆儏鍐碉細a. 褰搉涓烘诞鐐规暟绫诲瀷鏃锛屽繀椤浣跨敤pow銆俠. 褰搙涓烘诞鐐规暟鎴栧缁撴灉鍊肩簿搴﹁姹備笉楂樻椂锛屽彲浠ヤ娇鐢╬ow銆2 ...
绛旓細1銆C璇█涓绠涓涓暟鐨凬娆℃柟鍙互鐢ㄥ簱鍑芥暟pow鏉ュ疄鐜帮紝杩樺彲浠ョ洿鎺ヤ娇鐢2^3灏卞彲浠绠楀嚭缁撴灉銆俻ow鍑芥暟鍘熷瀷锛歞ouble pow(double x,double y)銆傚叾涓瓁鍊兼槸搴曟暟锛寉鍊兼槸骞傘備妇渚嬶細double a=pow(3.14,2)璁＄畻3.14鐨勫钩鏂广傛敞鎰忥細浣跨敤pow鍑芥暟鏃讹紝闇瑕佸皢澶存枃浠#include<math.h>鍖呭惈杩涙簮鏂囦欢涓2銆佸湪C璇█...
绛旓細C璇█涓绠梮鐨刵娆℃柟鍙互鐢ㄥ簱鍑芥暟pow鏉ュ疄鐜銆傚嚱鏁板師鍨嬶細double pow(double x, double n)銆傚叿浣撶殑浠ｇ爜濡備笅锛歩nclude <stdio.h> include <math.h> int main( ){ printf("%f",pow锛坸锛宯)锛夛紱return 0锛泒 娉細浣跨敤pow鍑芥暟鏃讹紝闇瑕佸皢澶存枃浠#include<math.h>鍖呭惈杩涙簮鏂囦欢涓
绛旓細//锛1锛夊畾涔夊嚱鏁(x,n),璁＄畻x鐨刵娆″箓#include "stdio.h"double f(double x,int n){ double s=1.0;int i;for(i=1;i<=n;i++){ s=s*x;} return s;} void main(){ double x;int n;printf("璇疯緭鍏:");scanf("%lf",&x);printf("璇疯緭鍏:");scanf("%d",&n);printf("...
绛旓細c++缂栫▼:缂栧啓绋嬪簭,杈撳叆瀹炴暟x,n,璁＄畻x鐨刵娆℃柟,涓嶅厑璁歌皟鐢╬ow鍑芥暟姹傚箓inti锛沠or(intj=1锛沯n锛沯++)//浠巟鐨1娆″箓寮濮嬭绠椼備娇鐢╬ow鍑芥暟銆傚湪C璇█鐨勬爣鍑嗗ご鏂囦欢math.h涓紝鏈夊簱鍑芥暟pow锛屽０鏄庝负doublepow(doublex锛宒oublen)锛涘叾鍔熻兘涓鸿绠梮鐨刵娆℃柟骞惰繑鍥炵粨鏋溿傛墍浠ュ彲浠ョ敤pow璁＄畻x鐨刵娆℃柟銆C璇█涓璁＄畻x鐨...
绛旓細1銆C璇█涓绠涓涓暟鐨凬娆℃柟鍙互鐢ㄥ簱鍑芥暟pow鏉ュ疄鐜帮紝杩樺彲浠ョ洿鎺ヤ娇鐢2^3灏卞彲浠绠楀嚭缁撴灉銆俻ow鍑芥暟鍘熷瀷锛歞ouble pow(double x,double y)銆傚叾涓瓁鍊兼槸搴曟暟锛寉鍊兼槸骞傘備妇渚嬶細double a=pow(3.14,2)璁＄畻3.14鐨勫钩鏂广傛敞鎰忥細浣跨敤pow鍑芥暟鏃讹紝闇瑕佸皢澶存枃浠#include<math.h>鍖呭惈杩涙簮鏂囦欢涓2銆佸湪C璇█...
绛旓細C璇█涓绠梮鐨刵娆℃柟鍙互鐢ㄥ簱鍑芥暟鏉ュ疄鐜般傚叿浣撶殑浠ｇ爜濡備笅锛歩nclude <stdio.h> include <math.h> int main( ) {printf("%f",pow锛x锛n)锛夛紱return 0锛泒 C璇█鏄竴绉嶇粨鏋勫寲璇█锛屽畠鏈夌潃娓呮櫚鐨勫眰娆★紝鍙寜鐓фā鍧楃殑鏂瑰紡瀵圭▼搴忚繘琛岀紪鍐欙紝涓c璇█鐨勫鐞嗗拰琛ㄧ幇鑳藉姏閮介潪甯哥殑寮哄ぇ锛屼緷闈犻潪甯稿叏闈㈢殑杩愮畻绗...
绛旓細while(n--) p*=x;n--琛ㄧずn鑷噺锛屽嵆n=n-1锛屽綋n鐨勫间负0锛堝亣),缁堟鎵ц寰幆浣損*=x,鍗硃=p*x涓嶅啀绱箻銆傛渶鍚庤緭鍑烘渶缁坧鐨勫笺
绛旓細void main(){ int S[8];int i=0;int n=2;printf("The results is:\n");for(i=0;i<8;i++){ S[i]=power(n,i+1);//璋冪敤鍑芥暟 printf("%d\n",S[i]);} printf("That's all\n");} int power(int n,int p){ int pow=1;int i;for(i=0;i<=p;i++)pow*=n;return...
