40分求优化!!!
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40分求优化!!!
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justinjia楼主2021/2/11 08:46

//既然你们不让我LaTeX\LaTeX化,我就MarkdownMarkdown化(^o^)。

测试点编号状态
#1\#1AC\colorbox{green}{\color{white}AC}
#2\#2MLE\colorbox{darkblue}{\color{white}MLE}
#3\#3AC\colorbox{green}{\color{white}AC}
#4\#4AC\colorbox{green}{\color{white}AC}
#5\#5AC\colorbox{green}{\color{white}AC}
#6\#6MLE\colorbox{darkblue}{\color{white}MLE}
#7\#7MLE\colorbox{darkblue}{\color{white}MLE}
#8\#8MLE\colorbox{darkblue}{\color{white}MLE}
#9\#9MLE\colorbox{darkblue}{\color{white}MLE}
#10\#10MLE\colorbox{darkblue}{\color{white}MLE}
源代码
#include"stdio.h"
#include"iostream"
#include"string"
using namespace std;
#define int long long
string rotate(string a){
    char c=a[a.size()-1];
    a.erase(a.size()-1,1);
    string tmp="";
    tmp+=c;
    a.insert(0,tmp);
    return a;
}
signed main(void){
    string s;
    cin>>s;
    int n;
    scanf("%lld",&n);
    while(s.size()<n)
        s+=rotate(s);
    printf("%c",s[--n]);
    return 0;
}
2021/2/11 08:46
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