Submission #1083000

#	Time	Username	Problem	Language	Result	Execution time	Memory
1083000		djs100201	September (APIO24_september)	C++17	0 / 100	1061 ms	3420 KiB

september

#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], mx[n_], L[n_],R[n_];
vector<ll> v[n_];
void dfs(ll x) {
	for(auto nxt:v[x]){
		dfs(nxt);
		R[x]=max(R[x],R[nxt]);
	}
}
int solve(int N, int M, vector<int> F, vector<vector<int>> S) {
	n = N - 1, m = M;
	memset(par, -1, sizeof(par));
	vector<ll> T;
	for(int i=0;i<=n;i++)L[i]=inf,R[i]=-inf;
	for (int j = 0; j < m; j++)
		for (int i = 0; i < n; i++) {
			ll val=S[j][i];
			L[val]=min(L[val],(ll)i);
			R[val]=max(R[val],(ll)i);
		}
	for (int i = 1; i <= n; i++)v[F[i]].push_back(i);
	dfs(0);
	vector<P>v;
	for(int i=1;i<=n;i++)v.push_back({L[i],R[i]});
	sort(all(v));
	ll lim=-inf,ret=0;
	for(auto [a,b]:v){
		if(lim<a){
			ret++;
			lim=b;
		}
		else lim=max(lim,b);
	}
	return ret;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 14
• Subtask 3: 0 / 5
• Subtask 4: 0 / 9
• Subtask 5: 0 / 5
• Subtask 6: 0 / 11
• Subtask 7: 0 / 9
• Subtask 8: 0 / 11
• Subtask 9: 0 / 9
• Subtask 10: 0 / 16