oj.uz

Submission #162917

# Submission time Handle Problem Language Result Execution time Memory
162917 2019-11-10T09:24:53 Z mrboorger Gift (IZhO18_nicegift) C++14
30 / 100
 2000 ms 241680 KB 
//#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define ll long long
#define ull unsigned long long
#define ld long double
#define sqr(x) (x) * (x)

using namespace std;
using namespace __gnu_pbds;


int main()
{
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif // LOCAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, k;
    cin >> n >> k;
    priority_queue <pair <ll, int>> a;
    ll sum = 0;
    for(int i = 0; i < n; ++i)
    {
        int x;
        cin >> x;
        sum += x;
        if (x > 0) a.push({x, i});
    }
//    if (sum % k > 0)
//    {
//        cout << -1;
//        return 0;
//    }
    vector <pair <ll, vector <int>>> ans;
    vector <int> cl;
    while(int(a.size()) >= k)
    {
        ans.pb({1, cl});
        vector <pair <ll, int>> ps;
        for(int i = 0; i < k; ++i)
        {
            pair <ll, int> pp = a.top();
            a.pop();
            ans.back().S.pb(pp.S);
            pp.F--;
            if (pp.F > 0) ps.pb(pp);
        }
        for(pair <ll, int> j : ps)
            a.push(j);
    }
    if (!a.empty())
    {
        cout << -1;
    }
    else
    {
        cout << int(ans.size()) << '\n';
        for(int i = 0; i < int(ans.size()); ++i)
        {
            cout << ans[i].F << ' ';
            for(int j = 0; j < k; ++j)
                cout << ans[i].S[j] + 1 << ' ';
            cout << '\n';
        }
    }
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=4
2 Correct 2 ms 376 KB n=3
3 Correct 2 ms 376 KB n=3
4 Correct 2 ms 376 KB n=4
5 Correct 2 ms 376 KB n=4
6 Correct 2 ms 376 KB n=2

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=4
2 Correct 2 ms 376 KB n=3
3 Correct 2 ms 376 KB n=3
4 Correct 2 ms 376 KB n=4
5 Correct 2 ms 376 KB n=4
6 Correct 2 ms 376 KB n=2
7 Correct 2 ms 376 KB n=5
8 Correct 5 ms 1144 KB n=8
9 Correct 12 ms 1392 KB n=14
10 Correct 7 ms 1144 KB n=11
11 Correct 49 ms 5104 KB n=50000
12 Correct 44 ms 5112 KB n=50000
13 Correct 33 ms 3948 KB n=10
14 Correct 36 ms 3400 KB n=685
15 Correct 37 ms 3808 KB n=623
16 Correct 24 ms 2288 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=4
2 Correct 2 ms 376 KB n=3
3 Correct 2 ms 376 KB n=3
4 Correct 2 ms 376 KB n=4
5 Correct 2 ms 376 KB n=4
6 Correct 2 ms 376 KB n=2
7 Correct 2 ms 376 KB n=5
8 Correct 5 ms 1144 KB n=8
9 Correct 12 ms 1392 KB n=14
10 Correct 7 ms 1144 KB n=11
11 Correct 49 ms 5104 KB n=50000
12 Correct 44 ms 5112 KB n=50000
13 Correct 33 ms 3948 KB n=10
14 Correct 36 ms 3400 KB n=685
15 Correct 37 ms 3808 KB n=623
16 Correct 24 ms 2288 KB n=973
17 Correct 37 ms 2792 KB n=989
18 Correct 18 ms 1140 KB n=563
19 Correct 26 ms 1524 KB n=592
20 Correct 27 ms 1396 KB n=938
21 Correct 23 ms 1396 KB n=747
22 Correct 24 ms 1396 KB n=991

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2053 ms 241680 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n=4
2 Correct 2 ms 376 KB n=3
3 Correct 2 ms 376 KB n=3
4 Correct 2 ms 376 KB n=4
5 Correct 2 ms 376 KB n=4
6 Correct 2 ms 376 KB n=2
7 Correct 2 ms 376 KB n=5
8 Correct 5 ms 1144 KB n=8
9 Correct 12 ms 1392 KB n=14
10 Correct 7 ms 1144 KB n=11
11 Correct 49 ms 5104 KB n=50000
12 Correct 44 ms 5112 KB n=50000
13 Correct 33 ms 3948 KB n=10
14 Correct 36 ms 3400 KB n=685
15 Correct 37 ms 3808 KB n=623
16 Correct 24 ms 2288 KB n=973
17 Correct 37 ms 2792 KB n=989
18 Correct 18 ms 1140 KB n=563
19 Correct 26 ms 1524 KB n=592
20 Correct 27 ms 1396 KB n=938
21 Correct 23 ms 1396 KB n=747
22 Correct 24 ms 1396 KB n=991
23 Execution timed out 2053 ms 241680 KB Time limit exceeded
24 Halted 0 ms 0 KB -