oj.uz

Submission #93284

# Submission time Handle Problem Language Result Execution time Memory
93284 2019-01-07T12:03:57 Z SamAnd Gift (IZhO18_nicegift) C++17
30 / 100
 2000 ms 352292 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 1000006;
struct ban
{
    int i;
    long long x;
    ban(){}
    ban(int i, long long x)
    {
        this->i = i;
        this->x = x;
    }
};
bool operator<(const ban& a, const ban& b)
{
    return a.x < b.x;
}

int n, k;
long long a[N];

void solv1()
{
    vector<vector<long long> > ans;
    priority_queue<ban> q;
    for (int i = 1; i <= n; ++i)
        q.push(ban(i, a[i]));
    bool z = false;
    while (1)
    {
        if (q.size() == 0)
        {
            z = true;
            break;
        }
        if (q.size() < k)
            break;
        vector<ban> v;
        for (int ii = 0; ii < k; ++ii)
        {
            v.push_back(q.top());
            q.pop();
        }
        long long minu = v[0].x;
        for (int i = 1; i < k; ++i)
            minu = min(minu, v[i].x);
        minu = 1;
        vector<long long> vv;
        vv.push_back(minu);
        for (int i = 0; i < k; ++i)
        {
            v[i].x -= minu;
            if (v[i].x)
                q.push(v[i]);
            vv.push_back(v[i].i);
        }
        ans.push_back(vv);
    }
    if (!z)
    {
        printf("-1\n");
        return;
    }
    printf("%d\n", ans.size());
    for (int i = 0; i < ans.size(); ++i)
    {
        for (int j = 0; j < ans[i].size(); ++j)
            printf("%lld ", ans[i][j]);
        printf("\n");
    }
}

int main()
{
    //freopen("input2.txt", "r", stdin);
    scanf("%d%d", &n, &k);
    for (int i = 1; i <= n; ++i)
        scanf("%lld", &a[i]);
    solv1();
    return 0;
}

Compilation message

nicegift.cpp: In function 'void solv1()':
nicegift.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (q.size() < k)
             ~~~~~~~~~^~~
nicegift.cpp:65:30: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<std::vector<long long int> >::size_type {aka long unsigned int}' [-Wformat=]
     printf("%d\n", ans.size());
                    ~~~~~~~~~~^
nicegift.cpp:66:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < ans.size(); ++i)
                     ~~^~~~~~~~~~~~
nicegift.cpp:68:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < ans[i].size(); ++j)
                         ~~^~~~~~~~~~~~~~~
nicegift.cpp: In function 'int main()':
nicegift.cpp:77:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~
nicegift.cpp:79:14: 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 376 KB n=4
2 Correct 2 ms 256 KB n=3
3 Correct 2 ms 256 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 256 KB n=3
3 Correct 2 ms 256 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 256 KB n=5
8 Correct 5 ms 1016 KB n=8
9 Correct 9 ms 1200 KB n=14
10 Correct 6 ms 1016 KB n=11
11 Correct 38 ms 5088 KB n=50000
12 Correct 37 ms 5120 KB n=50000
13 Correct 32 ms 3512 KB n=10
14 Correct 29 ms 3072 KB n=685
15 Correct 31 ms 3372 KB n=623
16 Correct 18 ms 2092 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 256 KB n=3
3 Correct 2 ms 256 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 256 KB n=5
8 Correct 5 ms 1016 KB n=8
9 Correct 9 ms 1200 KB n=14
10 Correct 6 ms 1016 KB n=11
11 Correct 38 ms 5088 KB n=50000
12 Correct 37 ms 5120 KB n=50000
13 Correct 32 ms 3512 KB n=10
14 Correct 29 ms 3072 KB n=685
15 Correct 31 ms 3372 KB n=623
16 Correct 18 ms 2092 KB n=973
17 Correct 28 ms 3068 KB n=989
18 Correct 14 ms 1272 KB n=563
19 Correct 20 ms 1784 KB n=592
20 Correct 20 ms 1784 KB n=938
21 Correct 16 ms 1400 KB n=747
22 Correct 18 ms 1656 KB n=991

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2054 ms 352292 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 256 KB n=3
3 Correct 2 ms 256 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 256 KB n=5
8 Correct 5 ms 1016 KB n=8
9 Correct 9 ms 1200 KB n=14
10 Correct 6 ms 1016 KB n=11
11 Correct 38 ms 5088 KB n=50000
12 Correct 37 ms 5120 KB n=50000
13 Correct 32 ms 3512 KB n=10
14 Correct 29 ms 3072 KB n=685
15 Correct 31 ms 3372 KB n=623
16 Correct 18 ms 2092 KB n=973
17 Correct 28 ms 3068 KB n=989
18 Correct 14 ms 1272 KB n=563
19 Correct 20 ms 1784 KB n=592
20 Correct 20 ms 1784 KB n=938
21 Correct 16 ms 1400 KB n=747
22 Correct 18 ms 1656 KB n=991
23 Execution timed out 2054 ms 352292 KB Time limit exceeded
24 Halted 0 ms 0 KB -