Submission #648667

# Submission time Handle Problem Language Result Execution time Memory
648667 2022-10-07T12:02:37 Z messiuuuuu Teams (CEOI11_tea) C++14
0 / 100
181 ms 28412 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]];
        assert(j >= 0);
        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:58:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |         freopen(task".INP","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Runtime error 1 ms 468 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 596 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 596 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 12 ms 2548 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 14 ms 2820 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 100 ms 18356 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 181 ms 25012 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 158 ms 28412 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -