#include <iostream>
#include <set>
struct Pike {
long long currentWeight;
long long expectedWeight;
};
using Pond = std::multiset<long long int, std::greater<>>;
void handlePike(Pond &);
int main() {
Pond pond;
int n, q;
long long sprat;
std::cin >> n;
for (int i = 0; i < n; ++i) {
std::cin >> sprat;
pond.insert(sprat);
}
std::cin >> q;
for (int i = 0; i < q; ++i) {
int operation;
std::cin >> operation;
switch (operation) {
case 1:
handlePike(pond);
break;
case 2:
std::cin >> sprat;
pond.insert(sprat);
break;
case 3:
std::cin >> sprat;
pond.erase(pond.find(sprat));
}
}
return 0;
}
void handlePike(Pond &pond) {
Pike pike;
std::cin >> pike.currentWeight >> pike.expectedWeight;
Pond tempPond;
while (pike.currentWeight < pike.expectedWeight and not pond.empty()) {
auto heaviestSprat = pond.upper_bound(pike.currentWeight);
if (heaviestSprat == pond.end()) {
break;
} else {
pike.currentWeight += *heaviestSprat;
tempPond.insert(pond.extract(heaviestSprat));
}
}
if (pike.currentWeight < pike.expectedWeight) {
std::cout << -1 << '\n';
} else {
std::cout << tempPond.size() << '\n';
}
pond.merge(tempPond);
}
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 | #include <iostream> #include <set> struct Pike { long long currentWeight; long long expectedWeight; }; using Pond = std::multiset<long long int, std::greater<>>; void handlePike(Pond &); int main() { Pond pond; int n, q; long long sprat; std::cin >> n; for (int i = 0; i < n; ++i) { std::cin >> sprat; pond.insert(sprat); } std::cin >> q; for (int i = 0; i < q; ++i) { int operation; std::cin >> operation; switch (operation) { case 1: handlePike(pond); break; case 2: std::cin >> sprat; pond.insert(sprat); break; case 3: std::cin >> sprat; pond.erase(pond.find(sprat)); } } return 0; } void handlePike(Pond &pond) { Pike pike; std::cin >> pike.currentWeight >> pike.expectedWeight; Pond tempPond; while (pike.currentWeight < pike.expectedWeight and not pond.empty()) { auto heaviestSprat = pond.upper_bound(pike.currentWeight); if (heaviestSprat == pond.end()) { break; } else { pike.currentWeight += *heaviestSprat; tempPond.insert(pond.extract(heaviestSprat)); } } if (pike.currentWeight < pike.expectedWeight) { std::cout << -1 << '\n'; } else { std::cout << tempPond.size() << '\n'; } pond.merge(tempPond); } |
English