51nod-1347-旋转字符串
2018-01-11 12:34
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根据观察,一个对串旋转之后还是对串,所以即判断当前字符串是不是对串就好了
#include <iostream>
#include <cstdio>
#include <string>
using namespace std;
int main()
{
string line;
while(cin>>line)
{
int len=line.length();
if(line.length()%2==0&&line.compare(0,len/2,line,len/2,len/2)==0)
printf("YES\n");
else
printf("NO\n");
}
return 0;
}
#include <iostream>
#include <cstdio>
#include <string>
using namespace std;
int main()
{
string line;
while(cin>>line)
{
int len=line.length();
if(line.length()%2==0&&line.compare(0,len/2,line,len/2,len/2)==0)
printf("YES\n");
else
printf("NO\n");
}
return 0;
}
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