oj.uz

답안 #719875

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
719875 2023-04-07T00:09:32 Z Hacv16 운세 보기 2 (JOI14_fortune_telling2) C++17
100 / 100
 814 ms 130860 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const int MAX = 2e6 + 15;
const int INF = 0x3f3f3f3f;

class SparseSegmentTree
{
    public:
        void createNode(){
            e.push_back( 0 );
            d.push_back( 0 );
 
            mx.push_back( 0 );
            sum.push_back( 0 );
        }
 
        int getLeft(int node){
            if(e[node] == 0){
                e[node] = ++curNode;
                createNode();
            }
 
            return e[node];
        }
 
        int getRight(int node){
            if(d[node] == 0){
                d[node] = ++curNode;
                createNode();
            }
 
            return d[node];
        }
 
        void update(int node, int l, int r, int i, int v){
            if(l == r){
                mx[ node ] = v;
                sum[ node ]++;
                return;
            }
 
            int m = (l + r)/2;
 
            if(i <= m) update(getLeft(node) , l , m , i , v);
            else update(getRight(node) , m + 1 , r , i , v);
 
            sum[ node ] = sum[ e[node] ] + sum[ d[node] ];
            mx[ node ] = max(mx[ e[node] ] , mx[ d[node] ]);
        }
 
        int queryMax(int node, int l, int r, int i, int j){
            if(i > j) return 0;
            if(node == 0 || j < l || r < i) return 0;
            if(i <= l && r <= j) return mx[ node ];
 
            int m = (l + r)/2;
 
            int maxLeft = queryMax(e[node] , l , m , i , j);
            int maxRight = queryMax(d[node] , m + 1 , r , i , j);
 
            return max(maxLeft , maxRight);
        }
 
        int querySum(int node, int l, int r, int i, int j){
            if(node == 0 || j < l || r < i) return 0;
            if(i <= l && r <= j) return sum[ node ];
 
            int m = (l + r) >> 1;
 
            int sumLeft = querySum(e[node] , l , m , i , j);
            int sumRight = querySum(d[node] , m + 1 , r , i , j);
 
            return sumLeft + sumRight;
        }
 
        SparseSegmentTree() : curNode( 1 ) { createNode(); createNode(); }
 
    protected:
        int curNode;
        vector<int> e, d;
        vector<int> mx, sum;
};

struct Event{
	ll x, type, id;

	Event(ll a = INF, ll b = 0, ll c = 0) : x(a), type(b), id(c) { }

	bool operator < (Event other){
		if(x != other.x) return x > other.x;
		return type < other.type;
	}
};

ll n, q, x[MAX], y[MAX], T[MAX];
bool changeOrder[MAX];
vector<Event> sweep;

int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	cin >> n >> q;

	for(int i = 1; i <= n; i++){
		cin >> x[i] >> y[i];

		if(x[i] < y[i]){ 
			swap(x[i], y[i]); 
			changeOrder[i] = true;
		}
	}

	SparseSegmentTree aux;

	for(int i = 1; i <= q; i++){
		cin >> T[i];

		aux.update(1, 0, INF, T[i], i);
		sweep.emplace_back(i, 1, i);
	}

	for(int i = 1; i <= n; i++){
		ll bonga = aux.queryMax(1, 0, INF, y[i], x[i] - 1);
		sweep.emplace_back(bonga, 2, i);
	}

	sort(sweep.begin(), sweep.end());

	SparseSegmentTree seg;
	ll ans = 0;

	for(Event cur : sweep){
		if(cur.type == 2){
			ll changes = seg.querySum(1, 0, INF, x[cur.id], INF);

			if(cur.x == 0){
				if((changes + changeOrder[cur.id]) % 2 == 0) ans += x[cur.id];
				else ans += y[cur.id];

			}else{
				if(changes % 2 == 0) ans += x[cur.id];
				else ans += y[cur.id];
			}

		}else seg.update(1, 0, INF, T[cur.id], 0);
	}

	cout << ans << '\n';

	exit(0);
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1360 KB Output is correct
3 Correct 3 ms 1356 KB Output is correct
4 Correct 3 ms 1368 KB Output is correct
5 Correct 3 ms 1364 KB Output is correct
6 Correct 3 ms 1364 KB Output is correct
7 Correct 3 ms 1364 KB Output is correct
8 Correct 3 ms 1364 KB Output is correct
9 Correct 3 ms 1360 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 3 ms 1364 KB Output is correct
12 Correct 3 ms 1364 KB Output is correct
13 Correct 3 ms 1368 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1360 KB Output is correct
3 Correct 3 ms 1356 KB Output is correct
4 Correct 3 ms 1368 KB Output is correct
5 Correct 3 ms 1364 KB Output is correct
6 Correct 3 ms 1364 KB Output is correct
7 Correct 3 ms 1364 KB Output is correct
8 Correct 3 ms 1364 KB Output is correct
9 Correct 3 ms 1360 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 3 ms 1364 KB Output is correct
12 Correct 3 ms 1364 KB Output is correct
13 Correct 3 ms 1368 KB Output is correct
14 Correct 27 ms 8700 KB Output is correct
15 Correct 57 ms 16472 KB Output is correct
16 Correct 87 ms 20148 KB Output is correct
17 Correct 134 ms 31808 KB Output is correct
18 Correct 113 ms 31804 KB Output is correct
19 Correct 114 ms 31824 KB Output is correct
20 Correct 121 ms 31840 KB Output is correct
21 Correct 113 ms 31700 KB Output is correct
22 Correct 65 ms 7484 KB Output is correct
23 Correct 65 ms 7212 KB Output is correct
24 Correct 64 ms 6600 KB Output is correct
25 Correct 68 ms 8080 KB Output is correct
26 Correct 100 ms 31408 KB Output is correct
27 Correct 106 ms 31704 KB Output is correct
28 Correct 102 ms 31412 KB Output is correct
29 Correct 112 ms 31796 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1360 KB Output is correct
3 Correct 3 ms 1356 KB Output is correct
4 Correct 3 ms 1368 KB Output is correct
5 Correct 3 ms 1364 KB Output is correct
6 Correct 3 ms 1364 KB Output is correct
7 Correct 3 ms 1364 KB Output is correct
8 Correct 3 ms 1364 KB Output is correct
9 Correct 3 ms 1360 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 3 ms 1364 KB Output is correct
12 Correct 3 ms 1364 KB Output is correct
13 Correct 3 ms 1368 KB Output is correct
14 Correct 27 ms 8700 KB Output is correct
15 Correct 57 ms 16472 KB Output is correct
16 Correct 87 ms 20148 KB Output is correct
17 Correct 134 ms 31808 KB Output is correct
18 Correct 113 ms 31804 KB Output is correct
19 Correct 114 ms 31824 KB Output is correct
20 Correct 121 ms 31840 KB Output is correct
21 Correct 113 ms 31700 KB Output is correct
22 Correct 65 ms 7484 KB Output is correct
23 Correct 65 ms 7212 KB Output is correct
24 Correct 64 ms 6600 KB Output is correct
25 Correct 68 ms 8080 KB Output is correct
26 Correct 100 ms 31408 KB Output is correct
27 Correct 106 ms 31704 KB Output is correct
28 Correct 102 ms 31412 KB Output is correct
29 Correct 112 ms 31796 KB Output is correct
30 Correct 510 ms 123068 KB Output is correct
31 Correct 601 ms 124628 KB Output is correct
32 Correct 646 ms 126648 KB Output is correct
33 Correct 764 ms 130640 KB Output is correct
34 Correct 500 ms 122776 KB Output is correct
35 Correct 814 ms 130860 KB Output is correct
36 Correct 794 ms 130580 KB Output is correct
37 Correct 775 ms 130596 KB Output is correct
38 Correct 784 ms 130712 KB Output is correct
39 Correct 775 ms 130660 KB Output is correct
40 Correct 717 ms 130612 KB Output is correct
41 Correct 754 ms 130548 KB Output is correct
42 Correct 783 ms 130616 KB Output is correct
43 Correct 582 ms 129672 KB Output is correct
44 Correct 587 ms 127544 KB Output is correct
45 Correct 577 ms 123412 KB Output is correct
46 Correct 388 ms 31872 KB Output is correct
47 Correct 376 ms 29280 KB Output is correct
48 Correct 592 ms 130012 KB Output is correct
49 Correct 609 ms 128680 KB Output is correct