Submission #572397

#	Time	Username	Problem	Language	Result	Execution time	Memory
572397		MODDI	Pilot (NOI19_pilot)	C++14	89 / 100	1093 ms	66268 KiB

pilot

#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vl vector<ll>
#define mp make_pair
#define pb push_back
using namespace std;
const int maxn = 1e6 + 5;
int n, q;
int parent[maxn];
ll sz[maxn];
bool on[maxn];
int find(int v){
	if(v == parent[v])
		return v;
	return parent[v] = find(parent[v]);
}
ll rez = 0;
void mrg(int a, int b){
	a = find(a);
	b = find(b);
	if(a != b){
		rez -= (sz[a] * (sz[a] + 1) * 1LL) / 2;
		rez -= (sz[b] * (sz[b] + 1)*1LL) / 2;
		sz[a] += sz[b];
		rez += (sz[a] * (sz[a] + 1)*1LL) / 2;
		parent[b] = a;
	}
}
vi G[maxn];
ll ans[maxn];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>q;
	for(int i = 0; i < n; i++){
		parent[i] = i;
		sz[i] = 1;
	}
	for(int i = 0; i < n; i++){
		int a;
		cin>>a;
		G[a].pb(i);
	}
	for(int i = 1; i <= 1000000; i++){
		for(int x : G[i]){
			++rez;
			on[x] = 1;
			if(x && on[x-1]) mrg(x, x-1);
			if(x != n-1 && on[x+1]) mrg(x, x + 1);
		}
		ans[i] = rez;
	}
	for(int i = 0; i < q; i++){
		int a;
		cin>>a;
		cout<<ans[a]<<endl;
	}
}

• Subtask 1: 3 / 3
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 5 / 5
• Subtask 6: 9 / 9
• Subtask 7: 14 / 14
• Subtask 8: 10 / 10
• Subtask 9: 11 / 11
• Subtask 10: 0 / 11