定义一个函数fact计算n的阶乘:n!=1*2*
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#include"stdio.h"intfact1(intn){if(n==1||n==0)return1;elsereturnn*fact1(n-1);}intfact2(intn){inti,t=
#include <stdio.h>int main(void){ int n; &nbs
#includeintfact(intn);usingnamespacestd;intmain(){intn;cin>>n;cout
#includeintfact(intn){if(n==1)return1;elsereturn(n*fact(n-1));}main(){intn;printf("inputanumber:
#include#includedoublefun(intn);intmain(){printf("Inputn:");intn;scanf("%d",&n);doubleS=fun(n);
intjie_cheng(intn){if(n==1)return1;returnn*jie_cheng(n-1);}doublefact(intn){doublesum=0;for(inti=1;i
#includedoublefact(intn){doubles=1.0;inti;for(i=1;i
fact()错了,应该是intfact(inta)\x09\x09{floatnum;//没有初始化\x09\x09for(inti=a-1;i>0;i--){//i需要从a开始\x09\x09num
你确定函数类型是要double?这个是整型的#includeintfact(int);voidmain(){intn;scanf("%d",&n);for(inti=1;i
inttotal(intn){returnfact(n);}intfact(intn){if(n==1)return1;elsereturnn+fact(n-1);}
intsun=1;//计算阶乘的值intsum=0;//累加for(inti=0;i
C描述functionttt(n){ returnn>1?n*ttt(n-1):1;}使用方法:ttt(21);
longfact(intn){inta,i;a=1;for(i=2;i再问:如何调用这个函数呢再答:在主函数中调用,也可以在其他函数中。例如voidmain(){longlaw;law=fact(10
doublefact(intn){doubletemp;if(n==0||n==1)return1.0;if(n>=2){temp=double(n*fact(n-1));rentuntemp;}}
#includeintmain(){intn;doublem;doublefac(intn);scanf("%d",&n);m=fac(n);printf("%d!=%f\n",n,m);return
#include"stdio.h"intfact(inta){inti,s=1;for(i=1;i
publicinttotal(intn){intresult=0;for(inti=1;i
1.#include"stdio.h"//#defineRECURSION1#ifdefRECURSIONlongfact(intn){if(n
#includeusingnamespacestd;intfct(intn){intsum=0,x;if(n再问:Error:5_0_2136175_29393.cLIBC.lib(crt0.ob
java版实现public class Calculator{ public int calTest(int&nb