#include <bits/stdc++.h>
using namespace std;

// #define test

#define int long long

int l = 1, r, sum;
struct subway
{
	bool used;
	int time, price;                                     

}sub[100002];



signed main()
{
    #ifdef test
        freopen("bus.in", "r", stdin);
        freopen("bus.out", "w", stdout);
    #endif // test
	int n;
	scanf("%lld", &n);
	for(int i = 0; i < n; i ++)
	{
		int opera, price, time;
		scanf("%lld%lld%lld", &opera, &price, &time);
		if (!opera)
		{
			sub[++l].price = price;
			sub[l].time = time;
			sum += price;
		}
		else
		{

		    bool flag = false;
			for(int j = l; j < r; j ++)
			{
				if(!sub[j].used && sub[j].price >= price && time - sub[i].time <= 45)
				{
					flag = true;
					sub[j].used =true;
					break;
				}
			}

			if (!flag)
                sum += price;

		}

        while (time - sub[l].time > 45 && l < r)
            l ++;
	}

    printf("%lld", sum);
	return 0;
}

懵了, 和题解差不多，但全 WA
题解错了 求 dalao 调代码