Submission #497047

#	Time	Username	Problem	Language	Result	Execution time	Memory
497047		Ierus	Meteors (POI11_met)	C++17	0 / 100	250 ms	38328 KiB

met

#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define sz size()
#define pb push_back
#define int long long
#define all(x) (x).begin(),(x).end()
#define NFS ios_base::sync_with_stdio(0) , cin.tie(0) , cout.tie(0) ;
const int N = 1e5+2;
int n, m, que, t[N<<2], md[N<<2];
void P(int v, int l, int r){
	if(md[v] != 0){
		if(l != r){
			md[v<<1|1] += md[v];
			md[v<<1] += md[v];
			t[v<<1|1] += md[v];
			t[v<<1] += md[v];
		}
	}
	md[v] = 0;
}
void U(int l, int r, int val, int v, int tl, int tr){
	P(v,tl,tr);
//	cerr << "l: " << l << " r: " << r << " val: " << val << " tl: " << tl << " tr: " << tr << '\n';
	if(tl > r || tr < l || tr < tl) return;
	if(l <= tl && tr <= r){
		md[v] += val;
		t[v] += val;
		P(v,tl,tr);
		return;
	}
	int tm = (tl + tr) >> 1;
	U(l,r,val,v<<1,tl,tm);
	U(l,r,val,v<<1|1,tm+1,tr);
	t[v] = t[v<<1] + t[v<<1|1];
}
int G(int pos, int v, int l, int r){
	P(v,l,r);
	if(l == r) return t[v];
	int m = (l + r) >> 1;
	if(pos <= m) return G(pos,v<<1,l,m);
	else return G(pos,v<<1|1,m+1,r);	
}
vector<int> g[N], ans(N, -1);
int p[N], Q[N], L[N], R[N];
struct{int l, r, a;}q[N];
signed main(){
	cin >> n >> m;
	for(int i = 1; i <= m; ++i){
		int x; cin >> x;
		g[x].pb(i);
	}
	for(int i = 1; i <= n; ++i){
		cin >> p[i];
	}
	cin >> que;
	for(int i = 1; i <= n; ++i){
		cin >> q[i].l >> q[i].r >> q[i].a;
	}
	for(int i = 1; i <= n; ++i){
		L[i] = 1, R[i] = que+1;
	}
	bool ok = 1;
	while(ok){
		ok = false;
		memset(t, 0, sizeof(t));
		vector<int> tocheck[N];
		for(int i = 1; i <= n; ++i){
			if(L[i] < R[i]){
				tocheck[(L[i]+R[i])/2].pb(i);
			}
		}
//		for(int i = 1; i <= n; ++i){
//			if(tocheck[i].size()){
//				cerr << i << ": ";
//				for(auto x: tocheck[i]) cerr << x << ' ';
//				cerr << '\n';
//			}
//		}
		for(int i = 1; i <= que; ++i){
			if(q[i].l > q[i].r){
				U(q[i].l, m, q[i].a, 1, 1, m);
//				exit(false);
				U(1, q[i].r, q[i].a, 1, 1, m);
			}else{
				U(q[i].l, q[i].r, q[i].a, 1, 1, m);
			}
//			cerr << "L: " << q[i].l << " R: " << q[i].r << " a: " << q[i].a << '\n';
//			for(int i = 1; i <= m; ++i){
//				cerr << G(i,1,1,m) << ' ';
//			}cerr << '\n';
//			exit(false);
//			cerr << "norm\n";
//			cerr << "i: " << i << '\n';
			for(auto id: tocheck[i]){
//				cerr << "id: " << id << '\n';
				ok = true;
				long long sum = 0;
				for(auto x : g[id]){
//					cerr << x << ' ';
					sum += G(x, 1, 1, m);
					if(sum >= p[id]){
						break;
					}
				}
//				cerr << '\n';
//				cerr << "sum: " << sum << '\n';
				if(sum >= p[id]){
					ans[id] = i;
					R[id] = i;
				}else L[id] = i + 1;
			}
		}
	}
	for(int i = 1; i <= n; ++i){
		if(ans[i] == -1) cout << "NIE\n";
		else cout << ans[i] << '\n';
	}
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 12
• Subtask 3: 0 / 12
• Subtask 4: 0 / 12
• Subtask 5: 0 / 13
• Subtask 6: 0 / 13
• Subtask 7: 0 / 13
• Subtask 8: 0 / 13