oj.uz

Submission #1083014

# Submission time Handle Problem Language Result Execution time Memory
1083014 2024-09-02T09:52:55 Z djs100201 September (APIO24_september) C++17
0 / 100
 3 ms 2904 KB 
#include <bits/stdc++.h>
#include "september.h"
#define all(v) v.begin(), v.end()
using namespace std;
using ll = long long;
using P = pair<ll, ll>;
using PP = pair<ll, P>;
const ll n_ = 1e5 + 10, inf = (ll)2e9 * (ll)1e9 + 7, mod = 998244353;
ll n, m, tc = 1, a, b, c, d, sum, x, y, z, base, ans, k;
ll par[n_], idx[n_][6], mn[n_], R[n_];
ll find(ll x) {
	if (par[x] < 0) return x;
	return par[x] = find(par[x]);
}
void merge(ll x, ll y) {
	x = find(x), y = find(y);
	if (x == y) return;
	par[x] = y;
}
bool cmp(ll x, ll y) { return idx[x][a] < idx[y][a]; }
vector<ll> v[n_];
void dfs(ll x, ll i,ll val,ll node) {
	if (idx[x][i] >= val) {
		R[val] = max(R[val],idx[x][i]);
		val = idx[x][i];
		node = x;
	}
	for (auto nxt : v[x]) {
		dfs(nxt, i, val, node);
	}
}
int solve(int N, int M, vector<int> F, vector<vector<int>> S) {
	n = N - 1, m = M;
	for(int i=0;i<=n;i++)par[i]=-1;
	vector<ll> T;
	for (int j = 0; j < m; j++)
		for (int i = 0; i < n; i++) idx[S[j][i]][j] = i;
	for (int i = 1; i <= n; i++) T.push_back(i);
 
	for (int i = 0; i < m; i++)
		for (int j = 0; j < m; j++) {
			a = i, b = j;
			sort(all(T), cmp);
			stack<ll> st;
			for (auto nxt : T) {
				while (st.size() && idx[st.top()][b] > idx[nxt][b]) {
					merge(st.top(), nxt);
					st.pop();
				}
				st.push(nxt);
			}
		}
	for (int i = 1; i <= n; i++) {
		v[F[i]].push_back(i);
	}
	for (int i = 0; i < m; i++) {
		for (int j = 0; j <= n; j++)R[j] = j;
		for (auto nxt : v[0])dfs(nxt, i, idx[nxt][i], nxt);
		for (int j = 0; j < n; j++) {
			if (R[j] > j)merge(S[i][j], S[i][j + 1]);
			R[j + 1] = max(R[j], R[j + 1]);
		}
	}	
	for(int i=0;i<=n;i++)v[i].clear();
	ll ret = 0;
	for (int i = 1; i <= n; i++) {
		if (find(i) == i) ret++;
	}
	return ret;
}

Subtask #1
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2656 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2656 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 2904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2656 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 2904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2656 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 2904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2656 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 2904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2656 KB Output isn't correct
2 Halted 0 ms 0 KB -