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답안 #197387

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
197387 2020-01-20T17:19:13 Z alishahali1382 운세 보기 2 (JOI14_fortune_telling2) C++14
100 / 100
 518 ms 37152 KB 
#include <bits/stdc++.h>
#pragma GCC optimize ("O2")
#pragma GCC optimize ("unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<ll, ll> pll;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;
#define all(x) x.begin(), x.end()
#define pb push_back
#define kill(x) return cout<<x<<'\n', 0;

const ld eps=1e-7;
const int inf=1000000010;
const ll INF=10000000000000010LL;
const int mod = 1000000007;
const int MAXN = 600010, LOG=20;

int n, m, k, u, v, x, y, t, a, b;
ll ans;
int L[MAXN], R[MAXN], T[MAXN];
int seg[MAXN<<2], fen[MAXN];
vector<int> Q[MAXN], comp;

void Set(int id, int tl, int tr, int pos, int val){
	if (pos<tl || tr<=pos) return ;
	if (tr-tl==1){
		seg[id]=val;
		return ;
	}
	int mid=(tl+tr)>>1;
	Set(id<<1, tl, mid, pos, val);
	Set(id<<1 | 1, mid, tr, pos, val);
	seg[id]=max(seg[id<<1], seg[id<<1 | 1]);
}

int Get(int id, int tl, int tr, int l, int r){
	if (r<=tl || tr<=l) return seg[0];
	if (l<=tl && tr<=r) return seg[id];
	int mid=(tl+tr)>>1;
	return max(Get(id<<1, tl, mid, l, r), Get(id<<1 | 1, mid, tr, l, r));
}

void add(int pos){ for (; pos<MAXN; pos+=pos&-pos) fen[pos]++;}
int get(int pos){
	int res=0;
	for (; pos; pos-=pos&-pos) res+=fen[pos];
	return res;
}

int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	cin>>n>>m;
	for (int i=1; i<=n; i++) cin>>L[i]>>R[i], comp.pb(L[i]), comp.pb(R[i]);
	for (int i=1; i<=m; i++) cin>>T[i], comp.pb(T[i]);
	comp.pb(-1);
	sort(all(comp));
	comp.resize(unique(all(comp))-comp.begin());
	for (int i=1; i<=n; i++){
		L[i]=lower_bound(all(comp), L[i])-comp.begin();
		R[i]=lower_bound(all(comp), R[i])-comp.begin();
		swap(L[i], R[i]);
	}
	for (int i=1; i<=m; i++){
		T[i]=lower_bound(all(comp), T[i])-comp.begin();
		Set(1, 0, MAXN, T[i], i);
	}
	for (int i=1; i<=n; i++){
		int t=Get(1, 0, MAXN, min(L[i], R[i]), max(L[i], R[i]));
		if (t && L[i]>R[i]) swap(L[i], R[i]);
		Q[t].pb(i);
		//debug2(i, t)
	}
	for (int i=m; ~i; i--){
		for (int id:Q[i]){
			int x=get(MAXN-1)-get(max(L[id], R[id])-1);
			if (x&1) swap(L[id], R[id]);
			ans+=comp[R[id]];
			//cerr<<"found "<<id<<" --> "<<comp[R[id]]<<'\n';
		}
		if (i) add(T[i]);
	}
	cout<<ans<<'\n';
	
	return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 14584 KB Output is correct
2 Correct 17 ms 14584 KB Output is correct
3 Correct 18 ms 14712 KB Output is correct
4 Correct 17 ms 14712 KB Output is correct
5 Correct 17 ms 14712 KB Output is correct
6 Correct 17 ms 14712 KB Output is correct
7 Correct 19 ms 14840 KB Output is correct
8 Correct 20 ms 14716 KB Output is correct
9 Correct 17 ms 14712 KB Output is correct
10 Correct 16 ms 14584 KB Output is correct
11 Correct 17 ms 14584 KB Output is correct
12 Correct 17 ms 14712 KB Output is correct
13 Correct 17 ms 14712 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 14584 KB Output is correct
2 Correct 17 ms 14584 KB Output is correct
3 Correct 18 ms 14712 KB Output is correct
4 Correct 17 ms 14712 KB Output is correct
5 Correct 17 ms 14712 KB Output is correct
6 Correct 17 ms 14712 KB Output is correct
7 Correct 19 ms 14840 KB Output is correct
8 Correct 20 ms 14716 KB Output is correct
9 Correct 17 ms 14712 KB Output is correct
10 Correct 16 ms 14584 KB Output is correct
11 Correct 17 ms 14584 KB Output is correct
12 Correct 17 ms 14712 KB Output is correct
13 Correct 17 ms 14712 KB Output is correct
14 Correct 34 ms 15864 KB Output is correct
15 Correct 54 ms 16760 KB Output is correct
16 Correct 75 ms 17916 KB Output is correct
17 Correct 97 ms 19088 KB Output is correct
18 Correct 98 ms 19068 KB Output is correct
19 Correct 95 ms 19056 KB Output is correct
20 Correct 96 ms 19060 KB Output is correct
21 Correct 95 ms 19184 KB Output is correct
22 Correct 75 ms 17828 KB Output is correct
23 Correct 74 ms 17652 KB Output is correct
24 Correct 72 ms 17140 KB Output is correct
25 Correct 75 ms 18164 KB Output is correct
26 Correct 76 ms 17912 KB Output is correct
27 Correct 87 ms 18444 KB Output is correct
28 Correct 81 ms 18416 KB Output is correct
29 Correct 91 ms 18904 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 14584 KB Output is correct
2 Correct 17 ms 14584 KB Output is correct
3 Correct 18 ms 14712 KB Output is correct
4 Correct 17 ms 14712 KB Output is correct
5 Correct 17 ms 14712 KB Output is correct
6 Correct 17 ms 14712 KB Output is correct
7 Correct 19 ms 14840 KB Output is correct
8 Correct 20 ms 14716 KB Output is correct
9 Correct 17 ms 14712 KB Output is correct
10 Correct 16 ms 14584 KB Output is correct
11 Correct 17 ms 14584 KB Output is correct
12 Correct 17 ms 14712 KB Output is correct
13 Correct 17 ms 14712 KB Output is correct
14 Correct 34 ms 15864 KB Output is correct
15 Correct 54 ms 16760 KB Output is correct
16 Correct 75 ms 17916 KB Output is correct
17 Correct 97 ms 19088 KB Output is correct
18 Correct 98 ms 19068 KB Output is correct
19 Correct 95 ms 19056 KB Output is correct
20 Correct 96 ms 19060 KB Output is correct
21 Correct 95 ms 19184 KB Output is correct
22 Correct 75 ms 17828 KB Output is correct
23 Correct 74 ms 17652 KB Output is correct
24 Correct 72 ms 17140 KB Output is correct
25 Correct 75 ms 18164 KB Output is correct
26 Correct 76 ms 17912 KB Output is correct
27 Correct 87 ms 18444 KB Output is correct
28 Correct 81 ms 18416 KB Output is correct
29 Correct 91 ms 18904 KB Output is correct
30 Correct 193 ms 22368 KB Output is correct
31 Correct 268 ms 25448 KB Output is correct
32 Correct 340 ms 29272 KB Output is correct
33 Correct 506 ms 36964 KB Output is correct
34 Correct 175 ms 21844 KB Output is correct
35 Correct 518 ms 36840 KB Output is correct
36 Correct 508 ms 36608 KB Output is correct
37 Correct 510 ms 36556 KB Output is correct
38 Correct 497 ms 36840 KB Output is correct
39 Correct 499 ms 36768 KB Output is correct
40 Correct 491 ms 37152 KB Output is correct
41 Correct 506 ms 36796 KB Output is correct
42 Correct 516 ms 36576 KB Output is correct
43 Correct 352 ms 31892 KB Output is correct
44 Correct 351 ms 32356 KB Output is correct
45 Correct 349 ms 33672 KB Output is correct
46 Correct 350 ms 29668 KB Output is correct
47 Correct 334 ms 27724 KB Output is correct
48 Correct 403 ms 33376 KB Output is correct
49 Correct 394 ms 33596 KB Output is correct