45pts,求调

#include<bits/stdc++.h>
using namespace std;
struct people{
    int des;
    string name;
};
int main(){
    int n,m;
    cin>>n>>m;
    people a[100000];
    for(int i=0;i<n;i++){
        cin>>a[i].des>>a[i].name;
    }
    int now=0;
    for(int i=0;i<n;i++){
        int right_or_left,num;
        cin>>right_or_left>>num;
        right_or_left+=a[now].des;
        right_or_left%=2;
        if(right_or_left){
            now+=num;
            now%=n;
            if(now<=0){
                now+=n;
            }
        }else{
            now-=num;
            if(now<=0){
                now+=n;
            }
            now%=n;
        }
    }
    cout<<a[now].name;
}