Day6.17 C語言簡單函數遞歸調用之求x的y次方

#include<stdio.h> int xy(int x,int y){ int jieg; if(y==1){ jieg=x; }else{ jieg=xy(x,y-1)*x;  } return jieg; } int main(){ int jieg; jieg=xy(2,3); printf("jieg=%d\n",jieg); system("PAUSE");   return 0;

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