Submission #648668

# Submission time Handle Problem Language Result Execution time Memory
648668 2022-10-07T12:09:12 Z messiuuuuu Teams (CEOI11_tea) C++14
0 / 100
228 ms 20944 KB
///
#include<bits/stdc++.h>
#define task "C"
#define ll long long
#define ld long double
#define fi first
#define se second
#define pb push_back
using namespace std;
const int MAXN = 1e6 + 5;
const ll INF = 1e18 + 5;

int n, a[MAXN];

void Input()
{
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
}

int cs[MAXN];

void Solve()
{
    iota(cs + 1, cs + n + 1, 1);
    sort(cs + 1, cs + n + 1, [](int i, int j)
         {
             return a[i] < a[j];
         });
    int i = n;
    vector<vector<int>> ans;
    while (i >= 1)
    {
        vector<int> newa;
        int j = i - a[cs[i]];
        if (j < 0)
        {
            if (ans.empty())
                ans.pb(newa);
            ans[0].pb(cs[i]);
            i--;
        }
        else
        {
            for (; i > j; i--)
                newa.pb(cs[i]);
            ans.pb(newa);
        }
    }
    cout << ans.size() << '\n';
    for (auto& vc : ans)
    {
        cout << vc.size() << ' ';
        for (int i : vc)
            cout << i << ' ';
        cout << '\n';
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    if (fopen(task".INP","r"))
    {
        freopen(task".INP","r",stdin);
        //freopen(task".OUT","w",stdout);
    }
    Input();
    Solve();
}

Compilation message

tea.cpp: In function 'int main()':
tea.cpp:67:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |         freopen(task".INP","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 1956 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 1956 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 150 ms 14236 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 215 ms 18976 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 228 ms 20944 KB Output isn't correct
2 Halted 0 ms 0 KB -