python/C++课程/第十五课循环结构程序设计实例/a的b次方个位数解法_2.cpp

#include<bits/stdc++.h>
using namespace std;

int main() {
	int a,b;
	cin>>a>>b;
	//<2F><>λ<EFBFBD><CEBB>
	a=a%10;
	if(b==0) {
		cout<<1<<endl;
		return 0;
	}
	// 0 1 5 6<><36><EFBFBD>ٴη<D9B4><CEB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>
	if(a==0 || a==1 ||a==5 || a==6) {
		cout<<a<<endl;
		return 0;
	}
	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><32><EFBFBD><EFBFBD>ô<EFBFBD><C3B4>2 4 8 6ѭ<36><D1AD>
	if(a==2) {
		b=b%4;
		if(b==1) {
			cout<<2<<endl;
			return 0;
		}
		if(b==2) {
			cout<<4<<endl;
			return 0;
		}
		if(b==3)  {
			cout<<8<<endl;
			return 0;
		}
		if(b==0)  {
			cout<<6<<endl;
			return 0;
		}
	}
	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3
	if(a==3) {
		b=b%4;
		if(b==1) {
			cout<<3<<endl;
			return 0;
		}
		if(b==2) {
			cout<<9<<endl;
			return 0;
		}
		if(b==3)  {
			cout<<7<<endl;
			return 0;
		}
		if(b==0)  {
			cout<<1<<endl;
			return 0;
		}
	}
	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4
	if(a==4) {
		b=b%2;
		if(b==1) {
			cout<<4<<endl;
			return 0;
		}
		if(b==0) {
			cout<<6<<endl;
			return  0;
		}
	}
	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>7
	if(a==7) {
		b=b%4;
		if(b==1) {
			cout<<7<<endl;
			return 0;
		}
		if(b==2) {
			cout<<9<<endl;
			return  0;
		}

		if(b==3) {
			cout<<3<<endl;
			return 0;
		}

		if(b==0) {
			cout<<1<<endl;
			return 0;
		}
	}
	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>8
	if(a==8) {
		b=b%4;
		if(b==1) {
			cout<<8<<endl;
			return 0;
		}
		if(b==2) {
			cout<<4<<endl;
			return  0;
		}

		if(b==3) {
			cout<<2<<endl;
			return 0;
		}

		if(b==0) {
			cout<<6<<endl;
			return 0;
		}
	}

	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>9
	if(a==9) {
		b=b%2;
		if(b==1) {
			cout<<9<<endl;
			return 0;
		}
		if(b==0) {
			cout<<1<<endl;
			return  0;
		}
	}
	return 0;
}