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Submission #638111

# Submission time Handle Problem Language Result Execution time Memory
638111 2022-09-04T15:52:07 Z tvladm2009 Schools (IZhO13_school) C++14
75 / 100
 222 ms 12064 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

const int MAX_N = 3 * 1e5;

int a[MAX_N + 1], b[MAX_N + 1], pref[MAX_N + 1], suf[MAX_N + 1];
pair<int, int> c[MAX_N + 1];
multiset<int> DS;

int n, m, s;

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

    cin >> n >> m >> s;
    for (int i = 1; i <= n; i++) {
        cin >> a[i] >> b[i];
    }

    for (int i = 1; i <= n; i++) {
        c[i] = make_pair(b[i] - a[i], i);
    }
    sort(c + 1, c + n + 1);
    int sum = 0;
    for (int i = 1; i <= m; i++) {
        DS.insert(a[c[i].second]);
        sum += a[c[i].second];
    }
    pref[m] = sum;
    for (int i = m + 1; i <= n; i++) {
        DS.insert(a[c[i].second]);
        sum += a[c[i].second];
        sum -= *DS.begin();
        DS.erase(DS.begin());
        pref[i] = sum;
    }
    DS.clear();
    sum = 0;
    for (int i = n - s + 1; i <= n; i++) {
        DS.insert(b[c[i].second]);
        sum += b[c[i].second];
    }
    suf[n - s + 1] = sum;
    for (int i = n - s; i >= 1; i--) {
        DS.insert(b[c[i].second]);
        sum += b[c[i].second];
        sum -= *DS.begin();
        DS.erase(DS.begin());
        suf[i] = sum;
    }

    ll ans = 0;
    for (int i = 0; i <= n; i++) {
        ans = max(ans, (ll)pref[i] + suf[i + 1]);
    }
    cout << ans;

    return 0;
}

Subtask #1
75.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 3 ms 596 KB Output is correct
13 Correct 20 ms 2440 KB Output is correct
14 Correct 35 ms 2980 KB Output is correct
15 Correct 55 ms 4344 KB Output is correct
16 Incorrect 115 ms 11212 KB Output isn't correct
17 Incorrect 146 ms 9676 KB Output isn't correct
18 Incorrect 155 ms 9584 KB Output isn't correct
19 Incorrect 179 ms 10460 KB Output isn't correct
20 Incorrect 222 ms 12064 KB Output isn't correct