April Fools Contest 2017 D
Description
Input
The only line of the input contains a string of digits. The length of the string is between 1 and 10, inclusive.
Output
Output "Yes" or "No".
Examples
input
373
output
Yes
input
121
output
No
input
436
output
Yes
看是不是回文(436中4,6盲文对称)
1 #include<cstdio> 2 #include<iostream> 3 #include<cstring> 4 using namespace std; 5 6 int s[]={8,-1,-1,-1,6,9,4,-1,0,5}; 7 char st[12313]; 8 9 int main() 10 { 11 scanf("%s",st+1);int n=strlen(st+1); 12 for(int i=1,j=n;i<j;i++,j--) 13 if(st[i]!=st[j]&&s[st[i]-'0']!=st[j]-'0') return 0*puts("No"); 14 if(n&1){if(st[n/2+1]!='3'&&st[n/2+1]!='7')return 0*puts("No");} 15 puts("YES"); 16 return 0; 17 }