编写函数fun(int n,int m),其功能是计算整数n的m次方. 并依据函数fun...答:long long fun(int n,int m){ int i;long long power=1;for(i=0;i<m;i++){ power=power*n;} return power;} int main(){ long long power;int x,y,a,b,c;printf("请输入x和y:");scanf("%d%d",&x,&y);power=fun(x,y);c=power%10;b=power/10%10;a=power/100%10;...