C++ :

#include <bits/stdc++.h>
using namespace std;
const int maxn = 100010;
int n,
    type[maxn],
    price[maxn],    
    t[maxn],        
    tot;           
int main() {
    cin >> n;
    for (int i = 1; i <= n; i ++) cin >> type[i] >> price[i] >> t[i];
    for (int i = 1; i <= n; i ++) {
        if (type[i] == 0) tot += price[i];
        else {
            bool flag = false;
            for (int j = max(1, i-45); j < i; j ++) {
                if (type[j] == 0 && t[i]-t[j] <= 45 && price[j] >= price[i]) {
                    type[j] = 1;
                    flag = true;
                    break;
                }
            }
            if (!flag) tot += price[i];
        }
    }
    cout << tot << endl;
    return 0;
}