Codeforces Round #426 (Div. 2) A. The Useless Toy

日常水题。模拟什么的随便搞。

#include<iostream>#include<cstdio>#include<cstring>#include<algorithm>using namespace std;int read(){    char ch=getchar();int f=0;    while(ch<'0'||ch>'9') ch=getchar();    while(ch>='0'&&ch<='9') {f=f*10+(ch^48);ch=getchar();}    return f;}int k,t;int main(){    char x,y;    cin>>x>>y;    if(x=='^')    k=0;    else if(x=='>')    k=1;    else if(x=='v')    k=2;    else k=3;    if(y=='^')    t=0;    else if(y=='>')    t=1;    else if(y=='v')    t=2;    else t=3;    //cout<<k<<" "<<t<<endl;    int f=read();    f%=4;    if((k+f)%4==t&&((k-f)%4+4)%4!=t)    cout<<"cw";    else if(((k-f)%4+4)%4==t&&(k+f)%4!=t)    cout<<"ccw";    else cout<<"undefined";}