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답안 #706671

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
706671 2023-03-07T10:04:25 Z Makarooni 운세 보기 2 (JOI14_fortune_telling2) C++17
100 / 100
 561 ms 83216 KB 
/* IN THE NAME OF GOD */
/* |\/| /-\ |\| | |\/| /-\ */

#include "bits/stdc++.h"
using namespace std;

#define sz(x) (int)x.size()
#define endl '\n'
#define pb push_back
#define all(x) x.begin(), x.end()
#define F first
#define S second
#define mr make_pair
//#define int long long
#define pii pair<int, int>
typedef long double ld;
typedef long long ll;

mt19937 rng (chrono::high_resolution_clock::now().time_since_epoch().count());

const int N = 1e6 + 10;
const int MOD = 1e9 + 7;
const int inf = 1e9 + 1;

int a[N], b[N], x[N], seg[N * 4], wh[N * 4], fen[N], lst[N];
vector<int> vec, V[N];
vector<pii> t[N];

void bulid(int id, int s, int e){
	if(s == e){
		if(t[s].empty())
			seg[id] = -1;
		else{
			seg[id] = t[s].back().F;
			wh[id] = t[s].back().S;
			t[s].pop_back();
		}
		return;
	}
	int mid = (s + e) / 2;
	bulid(id * 2, s, mid);
	bulid(id * 2 + 1, mid + 1, e);
	if(seg[id * 2] > seg[id * 2 + 1]){
		seg[id] = seg[id * 2];
		wh[id] = wh[id * 2];
	}
	else{
		seg[id] = seg[id * 2 + 1];
		wh[id] = wh[id * 2 + 1];
	}
}

void upd(int id, int s, int e, int p){
	if(s > p || p > e)
		return;
	if(s == e){
		if(t[s].empty())
			seg[id] = -1;
		else{
			seg[id] = t[s].back().F;
			wh[id] = t[s].back().S;
			t[s].pop_back();
		}
		return;
	}
	int mid = (s + e) / 2;
	upd(id * 2, s, mid, p);
	upd(id * 2 + 1, mid + 1, e, p);
	if(seg[id * 2] > seg[id * 2 + 1]){
		seg[id] = seg[id * 2];
		wh[id] = wh[id * 2];
	}
	else{
		seg[id] = seg[id * 2 + 1];
		wh[id] = wh[id * 2 + 1];
	}
}

pii get(int id, int s, int e, int l, int r){
	if(s > r || e < l)
		return mr(-1, -1);
	if(l <= s && e <= r)
		return mr(seg[id], wh[id]);
	int mid = (s + e) / 2;
	pii p = get(id * 2, s, mid, l, r), q = get(id * 2 + 1, mid + 1, e, l, r);
	return max(p, q);
}

void add(int p, int x){
	for(; p < N; p += p & -p)
		fen[p] += x;
}

int fget(int p){
	int ret = 0;
	for(; p > 0; p -= p & -p)
		ret += fen[p];
	return ret;
}

int f(int x){
	return lower_bound(all(vec), x) - vec.begin() + 1;
}

int32_t main(){
	ios_base:: sync_with_stdio(0), cin.tie(0), cout.tie(0);
	int n, k;
	cin >> n >> k;
	for(int i = 1; i <= n; i++){
		cin >> a[i] >> b[i];
		vec.pb(a[i]);
		vec.pb(b[i]);
	}
	for(int i = 1; i <= k; i++){
		cin >> x[i];
		vec.pb(x[i]);
	}
	sort(all(vec));
	vec.resize(unique(all(vec)) - vec.begin());
	for(int i = 1; i <= n; i++)
		t[f(min(a[i], b[i]))].pb(mr(max(a[i], b[i]), i));
	for(int i = 1; i < N; i++)
		sort(all(t[i]));
	bulid(1, 1, N - 1);
	for(int i = k; i >= 1; i--){
		while(1){
			pii p = get(1, 1, N - 1, 1, f(x[i]));
			if(p.F <= x[i])
				break;
			lst[p.S] = i;
			upd(1, 1, N - 1, f(min(a[p.S], b[p.S])));
		}
	}
	for(int i = 1; i <= n; i++)
		V[lst[i]].pb(i);
	ll ans = 0;
	for(int i = k; i >= 0; i--){
		if(i != 0){
			add(1, 1);
			add(f(x[i]) + 1, -1);
		}
		for(int v : V[i]){
			int r = fget(f(max(b[v], a[v])));
			if(i == 0){
				if(r % 2)
					ans += b[v];
				else
					ans += a[v];
			}
			else if(a[v] < b[v]){
				if(r % 2)
					ans += a[v];
				else
					ans += b[v];
			}
			else{
				if(r % 2)
					ans += b[v];
				else
					ans += a[v];
			}
		}
	}
	cout << ans;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 59732 KB Output is correct
2 Correct 37 ms 59720 KB Output is correct
3 Correct 39 ms 59700 KB Output is correct
4 Correct 40 ms 59812 KB Output is correct
5 Correct 41 ms 59764 KB Output is correct
6 Correct 42 ms 59816 KB Output is correct
7 Correct 43 ms 59724 KB Output is correct
8 Correct 38 ms 59756 KB Output is correct
9 Correct 39 ms 59724 KB Output is correct
10 Correct 39 ms 59728 KB Output is correct
11 Correct 39 ms 59756 KB Output is correct
12 Correct 39 ms 59668 KB Output is correct
13 Correct 39 ms 59756 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 59732 KB Output is correct
2 Correct 37 ms 59720 KB Output is correct
3 Correct 39 ms 59700 KB Output is correct
4 Correct 40 ms 59812 KB Output is correct
5 Correct 41 ms 59764 KB Output is correct
6 Correct 42 ms 59816 KB Output is correct
7 Correct 43 ms 59724 KB Output is correct
8 Correct 38 ms 59756 KB Output is correct
9 Correct 39 ms 59724 KB Output is correct
10 Correct 39 ms 59728 KB Output is correct
11 Correct 39 ms 59756 KB Output is correct
12 Correct 39 ms 59668 KB Output is correct
13 Correct 39 ms 59756 KB Output is correct
14 Correct 54 ms 60832 KB Output is correct
15 Correct 83 ms 61984 KB Output is correct
16 Correct 97 ms 63192 KB Output is correct
17 Correct 113 ms 64296 KB Output is correct
18 Correct 114 ms 64288 KB Output is correct
19 Correct 115 ms 64236 KB Output is correct
20 Correct 114 ms 64300 KB Output is correct
21 Correct 109 ms 64200 KB Output is correct
22 Correct 89 ms 63448 KB Output is correct
23 Correct 90 ms 63324 KB Output is correct
24 Correct 90 ms 63196 KB Output is correct
25 Correct 95 ms 63656 KB Output is correct
26 Correct 89 ms 62412 KB Output is correct
27 Correct 96 ms 63252 KB Output is correct
28 Correct 95 ms 63008 KB Output is correct
29 Correct 99 ms 63868 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 59732 KB Output is correct
2 Correct 37 ms 59720 KB Output is correct
3 Correct 39 ms 59700 KB Output is correct
4 Correct 40 ms 59812 KB Output is correct
5 Correct 41 ms 59764 KB Output is correct
6 Correct 42 ms 59816 KB Output is correct
7 Correct 43 ms 59724 KB Output is correct
8 Correct 38 ms 59756 KB Output is correct
9 Correct 39 ms 59724 KB Output is correct
10 Correct 39 ms 59728 KB Output is correct
11 Correct 39 ms 59756 KB Output is correct
12 Correct 39 ms 59668 KB Output is correct
13 Correct 39 ms 59756 KB Output is correct
14 Correct 54 ms 60832 KB Output is correct
15 Correct 83 ms 61984 KB Output is correct
16 Correct 97 ms 63192 KB Output is correct
17 Correct 113 ms 64296 KB Output is correct
18 Correct 114 ms 64288 KB Output is correct
19 Correct 115 ms 64236 KB Output is correct
20 Correct 114 ms 64300 KB Output is correct
21 Correct 109 ms 64200 KB Output is correct
22 Correct 89 ms 63448 KB Output is correct
23 Correct 90 ms 63324 KB Output is correct
24 Correct 90 ms 63196 KB Output is correct
25 Correct 95 ms 63656 KB Output is correct
26 Correct 89 ms 62412 KB Output is correct
27 Correct 96 ms 63252 KB Output is correct
28 Correct 95 ms 63008 KB Output is correct
29 Correct 99 ms 63868 KB Output is correct
30 Correct 200 ms 65648 KB Output is correct
31 Correct 295 ms 69440 KB Output is correct
32 Correct 337 ms 73860 KB Output is correct
33 Correct 545 ms 83208 KB Output is correct
34 Correct 184 ms 64072 KB Output is correct
35 Correct 500 ms 83176 KB Output is correct
36 Correct 531 ms 83160 KB Output is correct
37 Correct 561 ms 83216 KB Output is correct
38 Correct 530 ms 82476 KB Output is correct
39 Correct 559 ms 83112 KB Output is correct
40 Correct 516 ms 81968 KB Output is correct
41 Correct 443 ms 82936 KB Output is correct
42 Correct 503 ms 82948 KB Output is correct
43 Correct 344 ms 80564 KB Output is correct
44 Correct 331 ms 80948 KB Output is correct
45 Correct 355 ms 81140 KB Output is correct
46 Correct 330 ms 78516 KB Output is correct
47 Correct 339 ms 77804 KB Output is correct
48 Correct 349 ms 75628 KB Output is correct
49 Correct 344 ms 75884 KB Output is correct