Code：

#include<iostream>

using namespace std;
struct ticket{
	int time,price;
	bool ynuse=false;
}a[100005];
struct ways{
	int time,price,way;
}b[100005];
int main(){
	int n,sum=0;
	cin>>n;
	int num=0;
	for(int i=0;i<n;i++){
		cin>>b[i].way>>b[i].price>>b[i].time;
		if(b[i].way==0){
			a[num].time=b[i].time;
			a[num].price=b[i].price;
			num++;
			sum+=b[i].price; 
		}
	}
	for(int i=0;i<n;i++){
		if(b[i].way==1){
			bool used=false;
			for(int j=0;j<num;j++){
				if(a[j].ynuse==true){
					continue;
				}
				if(b[i].price<=a[j].price&&(b[i].time-a[j].time<=45&&b[i].time-a[j].time>0)){
					a[j].ynuse=true;
					used=true;
					break;
				}
			}
			if(used==false){
				sum+=b[i].price;
			}
		}
	}
	cout<<sum;
	return 0;
}