oj.uz

Submission #949486

# Submission time Handle Problem Language Result Execution time Memory
949486 2024-03-19T09:34:48 Z LOLOLO Schools (IZhO13_school) C++17
70 / 100
 102 ms 13908 KB 
#include <bits/stdc++.h>
typedef long long ll;

#define           f    first
#define           s    second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)

using namespace std;
const int N = 4e5 + 100;
const int M = 2e5;

bool cmp(pair <int, int> A, pair <int, int> B) {
    return A.f - A.s > B.f - B.s;
}

ll pr[N], suff[N];

int solve() {
    int n, m, s;
    cin >> n >> m >> s;

    vector <pair <int, int>> save;
    for (int i = 0; i < n; i++) {
        int a, b;
        cin >> a >> b;
        save.pb({a, b});
    }

    sort(all(save), cmp);
    priority_queue <ll, vector <ll>, greater <ll>> pq;
    ll sum = 0;

    for (int i = 0; i < n; i++) {
        pq.push(save[i].f);
        sum += save[i].f;
        while (sz(pq) > m) {
            sum -= pq.top();
            pq.pop();
        }

        pr[i] = sum;
    }

    while (sz(pq))
        pq.pop();
    
    sum = 0;
    for (int i = n - 1; i >= 0; i--) {
        pq.push(save[i].s);
        sum += save[i].s;
        while (sz(pq) > s) {
            sum -= pq.top();
            pq.pop();
        }

        suff[i] = sum;
    }

    ll ans = 0;
    for (int i = 0; i < n - 1; i++) {
        ans = max(ans, pr[i] + suff[i + 1]);
    }

    return ans;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int t = 1;
    //cin >> t;

    while (t--) {
        cout << solve() << '\n';
    }
}

Subtask #1
70.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Incorrect 1 ms 2392 KB Output isn't correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 2 ms 2648 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 13 ms 5852 KB Output is correct
14 Correct 26 ms 6560 KB Output is correct
15 Correct 49 ms 7804 KB Output is correct
16 Incorrect 59 ms 11140 KB Output isn't correct
17 Incorrect 73 ms 11264 KB Output isn't correct
18 Incorrect 82 ms 11816 KB Output isn't correct
19 Incorrect 86 ms 12488 KB Output isn't correct
20 Incorrect 102 ms 13908 KB Output isn't correct