oj.uz

Submission #756504

# Submission time Handle Problem Language Result Execution time Memory
756504 2023-06-11T18:23:44 Z Olympia Schools (IZhO13_school) C++17
95 / 100
 2000 ms 25148 KB 
#include <vector>
#include <iostream>
#include <cassert>
#include <random>
#include <cmath>
#include <map>
#include <algorithm>
#include <bitset>
#include <random>
#include <queue>
#include <set>
#include <stack>
#define ll int64_t
using namespace std;
bool comp (pair<int64_t, int64_t> p1, pair<int64_t, int64_t> p2) {
	return (p1.first - p1.second < p2.first - p2.second);
}
void print (vector<ll> v) {
	for (ll x: v) {
		cout << x << ' ';
	}
	cout << endl;
}
vector<ll> get_max (vector<ll> v, int k) {
	multiset<ll> best;
	vector<ll> ans;
	ans.push_back(-1e17);
	ll sum = 0;
	for (int i = 0; i < v.size(); i++) {
		if (i <= k - 1) {
			best.insert(v[i]);
			sum += v[i];
		} else {
			if (v[i] >= *(best.begin())) {
				sum -= *(best.begin());
				best.erase(best.find(*(best.begin())));
				sum += v[i];
				best.insert(v[i]);
			}
		}
		ans.push_back(((i >= k - 1) ? sum : -1e17));
		/*
		for (ll x: best) {
			cout << x << " ";
		}
		cout << endl;
		*/
	}
	return ans;
}
int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int N, M, S;
    cin >> N >> M >> S;
    vector<pair<ll,ll>> vec(N);
    vec.resize(N);
    for (int i = 0; i < N; i++) {
    	cin >> vec[i].first >> vec[i].second;
    }
    sort(vec.begin(), vec.end(), comp);
    vector<ll> a, b;
    for (int i = 0; i < N; i++) {
    	a.push_back(vec[i].first), b.push_back(vec[i].second);
    }
    reverse(a.begin(), a.end());
    //print(a);
    auto res1 = get_max(a, M);
    //print(res1);
    auto res2 = get_max(b, S);
    reverse(res2.begin(), res2.end());
    //print(res2);
    int64_t ans = 0;
    for (int i = 0; i <= N; i++) {
    	ans = max(ans, res1[i] + res2[i]);
    	//cout << res1[i] << " " << res2[i] << endl;
    }
    cout << ans;
}

Compilation message

school.cpp: In function 'std::vector<long int> get_max(std::vector<long int>, int)':
school.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for (int i = 0; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~

Subtask #1
95.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Execution timed out 2076 ms 212 KB Time limit exceeded
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 2 ms 724 KB Output is correct
11 Correct 3 ms 724 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 19 ms 3656 KB Output is correct
14 Correct 36 ms 6440 KB Output is correct
15 Correct 60 ms 11276 KB Output is correct
16 Correct 125 ms 17564 KB Output is correct
17 Correct 138 ms 18204 KB Output is correct
18 Correct 143 ms 18184 KB Output is correct
19 Correct 174 ms 20244 KB Output is correct
20 Correct 181 ms 25148 KB Output is correct