#include <bits/stdc++.h>
using namespace std;
multiset <long long> fish, choice;
long long sum, target;
long long sum_all;
long long a,b,x,t;
int moves;
int main(){ //naive
int n;
scanf("%d", &n);
while(n--){
scanf("%lld", &a);
fish.insert(a);
sum_all+=a;
}
int q;
scanf("%d", &q);
while(q--){
scanf("%lld", &t);
if(t==1){
scanf("%lld %lld", &a, &b);
if(a + sum_all < b){
printf("-1\n");
continue;
}
moves = 0;
choice.clear();
while(a < b){
auto it = fish.lower_bound(a);
if(it != fish.begin()){
it--;
a += (*it);
choice.insert(*it);
fish.erase(it);
moves++;
}
else{
printf("-1\n");
break;
}
}
if(a >= b){
printf("%d\n", moves);
}
for(auto x : choice){
fish.insert(x);
}
}
else if(t==2){
scanf("%lld", &a);
fish.insert(a);
}
else if (t==3) {
scanf("%lld", &a);
fish.erase(a);
}
}
}
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 | #include <bits/stdc++.h> using namespace std; multiset <long long> fish, choice; long long sum, target; long long sum_all; long long a,b,x,t; int moves; int main(){ //naive int n; scanf("%d", &n); while(n--){ scanf("%lld", &a); fish.insert(a); sum_all+=a; } int q; scanf("%d", &q); while(q--){ scanf("%lld", &t); if(t==1){ scanf("%lld %lld", &a, &b); if(a + sum_all < b){ printf("-1\n"); continue; } moves = 0; choice.clear(); while(a < b){ auto it = fish.lower_bound(a); if(it != fish.begin()){ it--; a += (*it); choice.insert(*it); fish.erase(it); moves++; } else{ printf("-1\n"); break; } } if(a >= b){ printf("%d\n", moves); } for(auto x : choice){ fish.insert(x); } } else if(t==2){ scanf("%lld", &a); fish.insert(a); } else if (t==3) { scanf("%lld", &a); fish.erase(a); } } } |
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