oj.uz

Submission #773259

# Submission time Handle Problem Language Result Execution time Memory
773259 2023-07-04T17:53:15 Z NK_ Teams (CEOI11_tea) C++17
0 / 100
 477 ms 84804 KB 
// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>

using namespace std;

#define nl '\n'
#define sz(x) int(x.size())

template<class T> using V = vector<T>;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	// smallest L (MN <= L <= N) such that there are 
	// N % L values less than or equal N % L
	// if x = N % L => L is a divisor of (N - x)
	// minimum divisor of (N - x) such that 
	// it is greater than or equal to MN

	int N; cin >> N;
	V<int> A(N); for(auto& x : A) cin >> x;

	int mn = *max_element(begin(A), end(A));

	V<pair<int, int>> B; for(int i = 0; i < N; i++) B.push_back(make_pair(A[i], i));
	sort(rbegin(B), rend(B));

	map<int, int> C; for(auto x : A) C[x]++;

	int amt = 0; V<int> pos(N);
	for (int x = 0; x < N; x++) {
		amt += C[x];
		if (amt >= x) pos[x] = 1;
	}	

	for (int L = mn; L <= N; L++) {
		int x = N % L; if (pos[x]) {
			V<V<int>> S = {};
			if (x) {
				S.push_back({});
				for(int i = 0; i < x; i++) {
					S.back().push_back(B.back().second);
					B.pop_back();
				}
			}

			for(int t = 0; t < (N-x)/L; t++) {
				S.push_back({});
				for(int i = 0; i < L; i++) {
					S.back().push_back(B.back().second);
					B.pop_back();
				}
			}

			// cout << L << nl;
			cout << sz(S) << nl;
			for(auto v : S) {
				cout << sz(v) << " ";
				for(auto c : v) cout << c + 1 << " ";
				cout << nl;
			}

			break;
		}
	}

    return 0;
}

Subtask #1
0 / 10.0

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

Subtask #2
0 / 10.0

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

Subtask #3
0 / 10.0

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

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 6636 KB Output is correct
2 Incorrect 28 ms 6432 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 7324 KB Output is correct
2 Incorrect 26 ms 6340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 326 ms 56616 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 427 ms 75720 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 477 ms 77948 KB Output is correct
2 Correct 374 ms 84804 KB Output is correct
3 Incorrect 431 ms 77168 KB Output isn't correct
4 Halted 0 ms 0 KB -