# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
1017167 |
2024-07-09T05:06:54 Z |
caterpillow |
Hotel (CEOI11_hot) |
C++17 |
|
1205 ms |
70456 KB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pl = pair<ll, ll>;
using pi = pair<int, int>;
#define vt vector
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(), x.end()
#define size(x) ((int) (x).size())
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define ROF(i, a, b) for (int i = (b) - 1; i >= (a); i--)
#define F0R(i, b) FOR (i, 0, b)
#define endl '\n'
const ll INF = 1e18;
const int inf = 1e9;
template<template<typename> class Container, typename T>
ostream& operator<<(ostream& os, Container<T> o) {
os << "{";
int g = size(o);
for (auto i : o) os << i << ((--g) == 0 ? "" : ", ");
os << "}";
return os;
}
void _print() {
cerr << "\n";
}
template<typename T, typename ...V>
void _print(T t, V... v) {
cerr << t; if (sizeof...(v)) cerr << ", "; _print(v...);
}
#ifdef LOCAL
#define dbg(x...) cerr << #x << " = "; _print(x);
#else
#define dbg(x...)
#define cerr if (0) std::cerr
#endif
/*
isnt this just a greedy wtf
*/
main() {
cin.tie(0)->sync_with_stdio(0);
int n, m, o; cin >> n >> m >> o;
multiset<pl> hotels;
F0R (i, n) {
ll c, v; cin >> c >> v;
hotels.insert({v, c});
}
using t3 = tuple<ll, pl, pl>;
priority_queue<t3> pq;
ll ans = 0;
int taken = 0;
auto add = [&] (ll v, ll c) {
auto it = hotels.lower_bound({v, -1});
if (it == hotels.end()) return;
pq.push({c - it->s, {v, c}, *it});
};
F0R (i, m) {
ll v, c; cin >> c >> v;
add(v, c);
}
while (taken < o) {
auto [profit, request, hotel] = pq.top(); pq.pop();
if (profit <= 0) break;
if (!hotels.count(hotel)) {
add(request.f, request.s);
} else {
hotels.erase(hotels.find(hotel));
ans += profit;
taken++;
}
}
cout << ans << endl;
}
Compilation message
hot.cpp:52:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
52 | main() {
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
1852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
35 ms |
7160 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
90 ms |
12740 KB |
Output is correct |
2 |
Correct |
58 ms |
9176 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
301 ms |
29360 KB |
Output is correct |
2 |
Correct |
94 ms |
19736 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
465 ms |
58048 KB |
Output is correct |
2 |
Correct |
494 ms |
59040 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
444 ms |
65780 KB |
Output is correct |
2 |
Correct |
938 ms |
70456 KB |
Output is correct |
3 |
Correct |
1205 ms |
67832 KB |
Output is correct |