oj.uz

Submission #169571

# Submission time Handle Problem Language Result Execution time Memory
169571 2019-12-21T07:00:38 Z davitmarg Schools (IZhO13_school) C++17
30 / 100
 233 ms 16300 KB 
/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
using namespace std;

const int N = 300005;

int n, m, s, k;
LL ans = 0;
pair<LL, LL> a[N];
multiset<LL> M, S;
vector<pair<LL, LL>> K;
int main()
{
    cin >> n >> m >> s;
    k = n - m - s;
    for (int i = 1; i <= n; i++)
        scanf("%lld%lld", &a[i].first, &a[i].second);
    sort(a + 1, a + 1 + n, [](pair<LL, LL> a, pair<LL, LL> b) {
        return a.first - a.second < b.first - b.second;
    });
    for (int i = 1; i <= s; i++)
    {
        ans += a[i].second;
        S.insert(a[i].second);
    }
    for (int i = s + 1; i <= s + k; i++)
        K.PB(a[i]);

    for (int i = s + k + 1; i <= n; i++)
    {
        ans += a[i].first;
        M.insert(a[i].first);
    }

    sort(all(K));

    while (!K.empty())
    {
        LL x = K.back().first, y = K.back().second;
        K.pop_back();
        LL d1 = -1, d2 = -1;
        if (!M.empty())
            d1 = x - (*M.begin());
        if (!S.empty())
            d2 = y - (*S.begin());
        if (max(d1, d2) < 0)
            continue;
        if (d1 >= d2)
        {
            M.erase(M.begin());
            //M.insert(x);
            ans += d1;
        }
        else
        {
            S.erase(S.begin());
            //S.insert(y);
            ans += d2;
        }
    }
    cout << ans << endl;
    return 0;
}

/*


2
BB
1000 1003
1000 1000


*/

Compilation message

school.cpp: In function 'int main()':
school.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld", &a[i].first, &a[i].second);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
30.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Incorrect 2 ms 256 KB Output isn't correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Incorrect 4 ms 508 KB Output isn't correct
8 Correct 4 ms 632 KB Output is correct
9 Incorrect 4 ms 632 KB Output isn't correct
10 Incorrect 4 ms 632 KB Output isn't correct
11 Incorrect 4 ms 632 KB Output isn't correct
12 Incorrect 4 ms 632 KB Output isn't correct
13 Incorrect 25 ms 2576 KB Output isn't correct
14 Incorrect 44 ms 3820 KB Output isn't correct
15 Incorrect 79 ms 7400 KB Output isn't correct
16 Correct 148 ms 11512 KB Output is correct
17 Incorrect 160 ms 13168 KB Output isn't correct
18 Incorrect 165 ms 13308 KB Output isn't correct
19 Incorrect 181 ms 14536 KB Output isn't correct
20 Incorrect 233 ms 16300 KB Output isn't correct