#include <stdio.h> int main(){ int N; while(scanf("%d",&N)!=EOF){ if(N==0){ printf("%d\n",1); }else{ int x=N%10; if(x==0||x==1||x==5||x==6){ printf("%d\n",x); }else if(x==2||x==3||x==7||x==8){ int y=N%4+4; int sum=1; for(int i=0;i<y;i++){ sum*=x; } printf("%d\n",sum%10); }else if(x==4||x==9){ int y=N%2+2; int sum=1; for(int i=0;i<y;i++){ sum*=x; } printf("%d\n",sum%10); } } } } |
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