oj.uz

Submission #133828

# Submission time Handle Problem Language Result Execution time Memory
133828 2019-07-21T13:31:59 Z Kastanda Gift (IZhO18_nicegift) C++11
100 / 100
 1251 ms 73260 KB 
// ItnoE
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1000006;
int n, k;
ll SM, A[N];
vector < ll > R;
priority_queue < pair < ll , int > > Pq;
int main()
{
    scanf("%d%d", &n, &k);
    for (int i = 1; i <= n; i ++)
    {
        scanf("%lld", &A[i]);
        Pq.push({A[i], i});
        SM += A[i];
    }
    if (SM % k || Pq.top().first > SM / k)
        return !printf("-1\n");
    SM /= k;
    while (Pq.top().first)
    {
        vector < int > vec;
        for (int i = 0; i < k; i ++)
            vec.push_back(Pq.top().second), Pq.pop();
        ll Mx = Pq.size() ? Pq.top().first : 0LL;
        ll X = min(A[vec.back()], SM - Mx);
        R.push_back(X); SM -= X;
        for (int i = 0; i < k; i ++)
            A[vec[i]] -= X, Pq.push({A[vec[i]], vec[i]}), R.push_back(vec[i]);
    }
    printf("%d\n", (int)R.size() / (k + 1));
    for (int i = 0; i < (int)R.size(); i ++)
    {
        printf("%lld ", R[i]);
        if ((i + 1) % (k + 1) == 0)
            printf("\n");
    }
    return 0;
}

Compilation message

nicegift.cpp: In function 'int main()':
nicegift.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~
nicegift.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &A[i]);
         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB n=4
2 Correct 2 ms 376 KB n=3
3 Correct 0 ms 256 KB n=3
4 Correct 2 ms 376 KB n=4
5 Correct 2 ms 256 KB n=4
6 Correct 2 ms 256 KB n=2

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB n=4
2 Correct 2 ms 376 KB n=3
3 Correct 0 ms 256 KB n=3
4 Correct 2 ms 376 KB n=4
5 Correct 2 ms 256 KB n=4
6 Correct 2 ms 256 KB n=2
7 Correct 2 ms 252 KB n=5
8 Correct 2 ms 376 KB n=8
9 Correct 2 ms 376 KB n=14
10 Correct 2 ms 256 KB n=11
11 Correct 32 ms 3192 KB n=50000
12 Correct 26 ms 3180 KB n=50000
13 Correct 2 ms 376 KB n=10
14 Correct 2 ms 376 KB n=685
15 Correct 2 ms 376 KB n=623
16 Correct 3 ms 376 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB n=4
2 Correct 2 ms 376 KB n=3
3 Correct 0 ms 256 KB n=3
4 Correct 2 ms 376 KB n=4
5 Correct 2 ms 256 KB n=4
6 Correct 2 ms 256 KB n=2
7 Correct 2 ms 252 KB n=5
8 Correct 2 ms 376 KB n=8
9 Correct 2 ms 376 KB n=14
10 Correct 2 ms 256 KB n=11
11 Correct 32 ms 3192 KB n=50000
12 Correct 26 ms 3180 KB n=50000
13 Correct 2 ms 376 KB n=10
14 Correct 2 ms 376 KB n=685
15 Correct 2 ms 376 KB n=623
16 Correct 3 ms 376 KB n=973
17 Correct 3 ms 376 KB n=989
18 Correct 2 ms 312 KB n=563
19 Correct 3 ms 376 KB n=592
20 Correct 3 ms 376 KB n=938
21 Correct 3 ms 376 KB n=747
22 Correct 3 ms 376 KB n=991

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 627 ms 50236 KB n=1000000
2 Correct 412 ms 39204 KB n=666666
3 Correct 230 ms 21736 KB n=400000
4 Correct 163 ms 16516 KB n=285714
5 Correct 12 ms 1648 KB n=20000
6 Correct 98 ms 12124 KB n=181818
7 Correct 7 ms 1020 KB n=10000
8 Correct 6 ms 888 KB n=6666
9 Correct 4 ms 632 KB n=4000
10 Correct 7 ms 1048 KB n=2857
11 Correct 4 ms 504 KB n=2000

Subtask #5
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB n=4
2 Correct 2 ms 376 KB n=3
3 Correct 0 ms 256 KB n=3
4 Correct 2 ms 376 KB n=4
5 Correct 2 ms 256 KB n=4
6 Correct 2 ms 256 KB n=2
7 Correct 2 ms 252 KB n=5
8 Correct 2 ms 376 KB n=8
9 Correct 2 ms 376 KB n=14
10 Correct 2 ms 256 KB n=11
11 Correct 32 ms 3192 KB n=50000
12 Correct 26 ms 3180 KB n=50000
13 Correct 2 ms 376 KB n=10
14 Correct 2 ms 376 KB n=685
15 Correct 2 ms 376 KB n=623
16 Correct 3 ms 376 KB n=973
17 Correct 3 ms 376 KB n=989
18 Correct 2 ms 312 KB n=563
19 Correct 3 ms 376 KB n=592
20 Correct 3 ms 376 KB n=938
21 Correct 3 ms 376 KB n=747
22 Correct 3 ms 376 KB n=991
23 Correct 627 ms 50236 KB n=1000000
24 Correct 412 ms 39204 KB n=666666
25 Correct 230 ms 21736 KB n=400000
26 Correct 163 ms 16516 KB n=285714
27 Correct 12 ms 1648 KB n=20000
28 Correct 98 ms 12124 KB n=181818
29 Correct 7 ms 1020 KB n=10000
30 Correct 6 ms 888 KB n=6666
31 Correct 4 ms 632 KB n=4000
32 Correct 7 ms 1048 KB n=2857
33 Correct 4 ms 504 KB n=2000
34 Correct 23 ms 1892 KB n=23514
35 Correct 22 ms 1904 KB n=23514
36 Correct 3 ms 376 KB n=940
37 Correct 2 ms 256 KB n=2
38 Correct 72 ms 5716 KB n=100000
39 Correct 62 ms 5860 KB n=100000
40 Correct 2 ms 380 KB n=10
41 Correct 3 ms 376 KB n=100
42 Correct 5 ms 632 KB n=1000
43 Correct 793 ms 63524 KB n=1000000
44 Correct 1251 ms 73260 KB n=1000000
45 Correct 842 ms 49860 KB n=666666
46 Correct 486 ms 28484 KB n=400000
47 Correct 15 ms 1300 KB n=2336
48 Correct 754 ms 44128 KB n=285714
49 Correct 638 ms 40124 KB n=181818
50 Correct 41 ms 3436 KB n=40000
51 Correct 21 ms 1904 KB n=20000
52 Correct 12 ms 1272 KB n=10000
53 Correct 65 ms 4968 KB n=6666
54 Correct 8 ms 888 KB n=4000
55 Correct 274 ms 17140 KB n=2857
56 Correct 6 ms 760 KB n=2000