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https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
24 lines
552 B
C++
24 lines
552 B
C++
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#include <iostream>
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using namespace std;
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int main()
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{
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int a,b;
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while(scanf("%d%d",&a,&b)!=EOF)
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{
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a%=10;
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if(a==0||a==5||a==6||a==1) printf("%d\n",a);
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else if(a==4||a==9)
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{
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printf("%d\n",b%2==0?a*a%10:a);
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}
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else
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{
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if(b%4==1) printf("%d\n",a);
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else if(b%4==2) printf("%d\n",a*a%10);
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else if(b%4==3) printf("%d\n",a*a*a%10);
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else printf("%d\n",a*a*a*a%10);
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}
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}
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return 0;
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}
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