1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
#include <cstdio>
#include <vector>
#include <set>

using namespace std;

long long int n, a, b, c, t;

multiset<long long int> os;

int main(){
	scanf("%lld", &n);
	for (int i = 0; i < n; ++i){
		scanf("%lld", &a);
		os.insert(a);
	}
	
	scanf("%lld", &t);
	for (int i = 0; i < t; ++i){
		scanf("%lld", &a);
		if(a == 1){
			scanf("%lld %lld", &b, &c);
			long long int currentWeight = b;
			long long int eaten = 0;
			auto s = multiset<long long int>(os);
			
			// for (auto k = s.begin(); k != s.end(); ++k) {
			// 	cout << *k << " ";
			// }
			// cout << endl;
			
			if (s.empty()){
				if (b >= c){
					printf("0\n");
				} else {
					printf("-1\n");
				}
				continue;
			}
			
			auto it = s.end();
			it--;
			
			if(currentWeight >= c) {
				printf("0\n");
				continue;
			} if(*s.begin() >= currentWeight){
				printf("-1\n");
				continue;
			} else {
				// cout << "Looking for smaller than " << currentWeight << ": " << *it << endl;
				while(*it >= currentWeight){
					// cout << *it << endl;
					it--;
				}
				// cout << "smaller!" << endl;
			}
			
			while(currentWeight < c){
				if(s.empty()){
					break;
				}
				if(it == s.end()){
					it--;
				}
				
				// cout << "Looking at " << *it << endl;
				
				if(*it < currentWeight){
					auto next = it;
					++next;
					if(next != s.end() && *next < currentWeight){
						++it;
					} else {
						// cout << "Eating " << *it << endl;
						eaten ++;
						currentWeight += *it;
						s.erase(it++);
					}
				} else {
					if(it != s.begin()){
						auto previous = it;
						previous--;
						// cout << "Eating " << *previous << endl;
						eaten++;
						currentWeight += *previous;
						s.erase(previous);
					} else {
						break;
					}
				}
			}
			
			// cout << currentWeight << endl;
			
			if(currentWeight >= c){
				printf("%lld\n", eaten);
			} else {
				printf("-1\n");
			}
		} else {
			scanf("%lld", &b);
			if (a == 2) {
				os.insert(b);
			}
			if (a == 3) {
				os.erase(b);
			}
		}
	}		
}