oj.uz

Submission #829240

# Submission time Handle Problem Language Result Execution time Memory
829240 2023-08-18T07:24:04 Z Hanksburger Cookies (JOI23_cookies) C++17
7 / 100
 66 ms 1152 KB 
#include <bits/stdc++.h>
using namespace std;
vector<pair<int, int> > vec;
vector<vector<int> > ans;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n, m, k, sum=0;
    cin >> n;
    for (int i=0; i<n; i++)
    {
        int x;
        cin >> x;
        vec.push_back({x, i+1});
    }
    cin >> m >> k;
    for (int i=0; i<n; i++)
        sum+=vec[i].first;
    if (sum%k)
    {
        cout << -1;
        return 0;
    }
    for (int i=0; i<sum/k; i++)
    {
        sort(vec.begin(), vec.end(), greater<pair<int, int> >());
        vector<int> tmp;
        for (int j=0; j<k; j++)
        {
            if (!vec[j].first)
            {
                cout << -1;
                return 0;
            }
            vec[j].first--;
            tmp.push_back(vec[j].second);
        }
        ans.push_back(tmp);
    }
    cout << ans.size() << '\n';
    for (int i=0; i<ans.size(); i++)
    {
        cout << ans[i].size() << ' ';
        for (int j=0; j<ans[i].size(); j++)
            cout << ans[i][j] << ' ';
        cout << '\n';
    }
}

Compilation message

cookies.cpp: In function 'int main()':
cookies.cpp:43:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for (int i=0; i<ans.size(); i++)
      |                   ~^~~~~~~~~~~
cookies.cpp:46:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |         for (int j=0; j<ans[i].size(); j++)
      |                       ~^~~~~~~~~~~~~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 3 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 4 ms 1152 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 320 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 320 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 66 ms 628 KB Output is correct
20 Correct 3 ms 340 KB Output is correct
21 Correct 2 ms 412 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 320 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -