写了接近半小时，最后20个点全RE，崩溃了

新手，大佬勿喷

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll tp[10001],price[10001],tme[10001];
struct node{
	long long pc,t;
	bool flag;
};
int main(){
	int n;
	cin>>n; //输入乘车记录的数量 
	vector<node>ticket; //定义优惠票数组，每个元素包括"pc"价格与"t"时间"flag"是否可用 
	int ticket_tc=0; //定义优惠票总数，初始化为0 
	ll total_price=0; //定义总花费，初始化为0 
	int i,j;
	for(i=0;i<n;i++){
		cin>>tp[i]>>price[i]>>tme[i];
		if(tp[i]==0){
			ticket[ticket_tc].pc = price[i];
			ticket[ticket_tc].t = tme[i]; 
			ticket[ticket_tc].flag = true;
			ticket_tc++;
			total_price+=price[i];
		}
		if(tp[i]==1){
			if(ticket_tc!=0){
				bool use_ticket = false;
				for(j=0;j<ticket_tc;j++){
					if((price[i]<=ticket[j].pc)&&(tme[i]-ticket[j].t<=45)){
						if(ticket[j].flag == true){
							use_ticket = true;
							ticket[j].flag = false;
							break;
						}
					}	
				}
				if(use_ticket){
					continue;
				}
				else{
					total_price+=price[i];
				}
			}	
		}
	} 
	cout<<total_price<<endl;
	return 0; 
}