oj.uz

Submission #169570

# Submission time Handle Problem Language Result Execution time Memory
169570 2019-12-21T06:59:30 Z davitmarg Schools (IZhO13_school) C++17
30 / 100
 218 ms 16288 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 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 252 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Incorrect 4 ms 504 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 2424 KB Output isn't correct
14 Incorrect 48 ms 3700 KB Output isn't correct
15 Incorrect 81 ms 7400 KB Output isn't correct
16 Correct 160 ms 11612 KB Output is correct
17 Incorrect 169 ms 13152 KB Output isn't correct
18 Incorrect 172 ms 13412 KB Output isn't correct
19 Incorrect 198 ms 14556 KB Output isn't correct
20 Incorrect 218 ms 16288 KB Output isn't correct