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Submission #960965

# Submission time Handle Problem Language Result Execution time Memory
960965 2024-04-11T10:05:22 Z pragmatist Segments (IZhO18_segments) C++17
75 / 100
 5000 ms 9016 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 2e5+7;
const int K = 5000000;

int n, t;
pair<int, int> a[N];
multiset<pair<int, int> > active;

struct Data {
	int l, r, x;
};
vector<Data> add;
vector<array<int, 3>> cur;
vector<int> b1[1000], b2[1000];
	
void build() {
    cur.clear();
	for(auto [x, y] : active) {
		int len = y-x+1;
		cur.push_back({len, x, y});		
	}	
	sort(cur.begin(), cur.end());
	int m = (int)cur.size();
	for(int i = 0; i <= (m-1)/K; ++i) {
		b1[i].clear();
		b2[i].clear();
	}
	for(int i = 0; i < m; ++i) {
		b1[i/K].push_back(cur[i][1]);
		b2[i/K].push_back(cur[i][2]);				
	}
	for(int i = 0; i <= (m-1)/K; ++i) {
		sort(b1[i].rbegin(), b1[i].rend());
		sort(b2[i].begin(), b2[i].end());
	}
	add.clear();
}

int get(int l, int r, int k) {
	if(r-l+1<k) {
		return 0;
	}		
	int res = 0;
	int m = (int)cur.size();
	for(int i = 0, id = 0; i < m; i += K, ++id) {
		if(cur[i][0]<k) {
		    int j = min(m, i+K), old = i;
		    if(cur[j][0]<k) {
		    	continue;
		    }
		    while(i<j) {
		    	if(cur[i][0]>=k) {
		    		res++;
		    		if(cur[i][2]<l+k-1) {
		    			res--;
		    		}            
		    		if(cur[i][1]>r-k+1) {
		    			res--;
		    		}
		    	}
		    	i++;
		    }
			i = old;
			continue;
		} else {
			res += (int)(b1[id].size());
			assert((int)b1[id].size() == (int)b2[id].size());
			int tl = 0, tr = (int)b1[id].size()-1, x1 = 0, x2 = 0;
			while(tl<=tr) {
				int mid = (tl+tr)/2;
				if(b1[id][mid]>r-k+1) {
					x1 = mid+1;
					tl = mid+1;
				} else {
					tr = mid-1;
				}
			} 
			res -= x1;
			tl = 0, tr = (int)b2[id].size()-1;
			while(tl<=tr) {
				int mid = (tl+tr)/2;
				if(b2[id][mid]<l+k-1) {
					x2 = mid+1;
					tl = mid+1;
				} else {
					tr = mid-1;
				}
			}			
			res -= x2;
		}
	} 
	for(auto [c, d, x] : add) {
		int len = min(d, r)-max(l, c)+1;
		if(len >= k) {
			res += x;
		}
	}
	return res;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
	cin >> n >> t;
	int ans = 0, timer = 0;
	for(int i = 1; i <= n; ++i) {
		char tp;
		cin >> tp;
		if(tp == '1') {
			int l, r;
			cin >> l >> r;
			l = (l^(t*ans));
			r = (r^(t*ans));
			if(l>r) {
				swap(l, r);
			}
			a[++timer] = {l, r};
			add.push_back({l, r, 1});
			active.insert({l, r});		
		} else if(tp == '2') {
			int id;
			cin >> id;
			add.push_back({a[id].first, a[id].second, -1});
			auto it = active.find(a[id]);
			active.erase(it);
		} else {
			int l, r, k;
			cin >> l >> r >> k;
			l = (l^(t*ans));
			r = (r^(t*ans));
			if(l>r) {
				swap(l, r);
			}
			if(r-l+1<k) {
				cout << (ans=0) << "\n";
				continue;
			}
			cout << (ans = get(l, r, k)) << "\n";
		}
		if((int)add.size()>K) {
			build();
		}
	}
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 6 ms 644 KB Output is correct
4 Correct 7 ms 604 KB Output is correct
5 Correct 7 ms 964 KB Output is correct
6 Correct 9 ms 900 KB Output is correct
7 Correct 6 ms 600 KB Output is correct
8 Correct 6 ms 860 KB Output is correct
9 Correct 7 ms 860 KB Output is correct
10 Correct 3 ms 784 KB Output is correct
11 Correct 11 ms 600 KB Output is correct
12 Correct 11 ms 832 KB Output is correct
13 Correct 4 ms 860 KB Output is correct
14 Correct 6 ms 860 KB Output is correct
15 Correct 6 ms 712 KB Output is correct
16 Correct 6 ms 604 KB Output is correct
17 Correct 6 ms 604 KB Output is correct
18 Correct 4 ms 932 KB Output is correct
19 Correct 6 ms 604 KB Output is correct
20 Correct 6 ms 604 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3581 ms 5952 KB Output is correct
2 Correct 3593 ms 6272 KB Output is correct
3 Correct 3636 ms 6524 KB Output is correct
4 Correct 3549 ms 6788 KB Output is correct
5 Correct 814 ms 8848 KB Output is correct
6 Correct 443 ms 9016 KB Output is correct
7 Correct 3576 ms 6636 KB Output is correct
8 Correct 3648 ms 6624 KB Output is correct
9 Correct 3742 ms 6240 KB Output is correct
10 Correct 2310 ms 4516 KB Output is correct
11 Correct 2819 ms 5372 KB Output is correct
12 Correct 3030 ms 7756 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1606 ms 3900 KB Output is correct
2 Correct 1615 ms 3640 KB Output is correct
3 Correct 1590 ms 3844 KB Output is correct
4 Correct 1610 ms 3692 KB Output is correct
5 Correct 2917 ms 6908 KB Output is correct
6 Correct 3389 ms 6492 KB Output is correct
7 Correct 3173 ms 6668 KB Output is correct
8 Correct 762 ms 8260 KB Output is correct
9 Correct 484 ms 7940 KB Output is correct
10 Correct 1342 ms 6816 KB Output is correct
11 Correct 1673 ms 4060 KB Output is correct
12 Correct 1275 ms 6980 KB Output is correct
13 Correct 1518 ms 6332 KB Output is correct
14 Correct 1882 ms 5064 KB Output is correct
15 Correct 1834 ms 4692 KB Output is correct
16 Correct 1798 ms 4408 KB Output is correct
17 Correct 3539 ms 5972 KB Output is correct
18 Correct 3561 ms 5924 KB Output is correct
19 Correct 3609 ms 5924 KB Output is correct
20 Correct 3551 ms 5984 KB Output is correct
21 Correct 1686 ms 3964 KB Output is correct
22 Correct 1772 ms 5524 KB Output is correct
23 Correct 1655 ms 5796 KB Output is correct
24 Correct 1791 ms 5664 KB Output is correct
25 Correct 1592 ms 3660 KB Output is correct
26 Correct 1628 ms 3640 KB Output is correct
27 Correct 1633 ms 3964 KB Output is correct
28 Correct 1621 ms 3772 KB Output is correct
29 Correct 1559 ms 6296 KB Output is correct
30 Correct 1571 ms 6444 KB Output is correct
31 Correct 453 ms 8352 KB Output is correct
32 Correct 1325 ms 6916 KB Output is correct
33 Correct 1427 ms 6924 KB Output is correct
34 Correct 1786 ms 4936 KB Output is correct
35 Correct 1688 ms 6092 KB Output is correct
36 Correct 1354 ms 6812 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1620 ms 4008 KB Output is correct
2 Correct 1574 ms 4460 KB Output is correct
3 Correct 1600 ms 4532 KB Output is correct
4 Correct 1609 ms 4556 KB Output is correct
5 Correct 2572 ms 7952 KB Output is correct
6 Correct 1706 ms 4296 KB Output is correct
7 Correct 2019 ms 8440 KB Output is correct
8 Correct 2363 ms 4824 KB Output is correct
9 Correct 1825 ms 5820 KB Output is correct
10 Correct 1152 ms 7684 KB Output is correct
11 Correct 1778 ms 4912 KB Output is correct
12 Correct 274 ms 8928 KB Output is correct
13 Correct 1480 ms 6920 KB Output is correct
14 Correct 1794 ms 5820 KB Output is correct
15 Correct 518 ms 8584 KB Output is correct
16 Correct 1409 ms 7256 KB Output is correct
17 Correct 3532 ms 5652 KB Output is correct
18 Correct 3539 ms 5740 KB Output is correct
19 Correct 3591 ms 5612 KB Output is correct
20 Correct 3574 ms 5908 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 6 ms 644 KB Output is correct
4 Correct 7 ms 604 KB Output is correct
5 Correct 7 ms 964 KB Output is correct
6 Correct 9 ms 900 KB Output is correct
7 Correct 6 ms 600 KB Output is correct
8 Correct 6 ms 860 KB Output is correct
9 Correct 7 ms 860 KB Output is correct
10 Correct 3 ms 784 KB Output is correct
11 Correct 11 ms 600 KB Output is correct
12 Correct 11 ms 832 KB Output is correct
13 Correct 4 ms 860 KB Output is correct
14 Correct 6 ms 860 KB Output is correct
15 Correct 6 ms 712 KB Output is correct
16 Correct 6 ms 604 KB Output is correct
17 Correct 6 ms 604 KB Output is correct
18 Correct 4 ms 932 KB Output is correct
19 Correct 6 ms 604 KB Output is correct
20 Correct 6 ms 604 KB Output is correct
21 Correct 3581 ms 5952 KB Output is correct
22 Correct 3593 ms 6272 KB Output is correct
23 Correct 3636 ms 6524 KB Output is correct
24 Correct 3549 ms 6788 KB Output is correct
25 Correct 814 ms 8848 KB Output is correct
26 Correct 443 ms 9016 KB Output is correct
27 Correct 3576 ms 6636 KB Output is correct
28 Correct 3648 ms 6624 KB Output is correct
29 Correct 3742 ms 6240 KB Output is correct
30 Correct 2310 ms 4516 KB Output is correct
31 Correct 2819 ms 5372 KB Output is correct
32 Correct 3030 ms 7756 KB Output is correct
33 Correct 1620 ms 4008 KB Output is correct
34 Correct 1574 ms 4460 KB Output is correct
35 Correct 1600 ms 4532 KB Output is correct
36 Correct 1609 ms 4556 KB Output is correct
37 Correct 2572 ms 7952 KB Output is correct
38 Correct 1706 ms 4296 KB Output is correct
39 Correct 2019 ms 8440 KB Output is correct
40 Correct 2363 ms 4824 KB Output is correct
41 Correct 1825 ms 5820 KB Output is correct
42 Correct 1152 ms 7684 KB Output is correct
43 Correct 1778 ms 4912 KB Output is correct
44 Correct 274 ms 8928 KB Output is correct
45 Correct 1480 ms 6920 KB Output is correct
46 Correct 1794 ms 5820 KB Output is correct
47 Correct 518 ms 8584 KB Output is correct
48 Correct 1409 ms 7256 KB Output is correct
49 Correct 3532 ms 5652 KB Output is correct
50 Correct 3539 ms 5740 KB Output is correct
51 Correct 3591 ms 5612 KB Output is correct
52 Correct 3574 ms 5908 KB Output is correct
53 Correct 1566 ms 3732 KB Output is correct
54 Correct 1593 ms 3784 KB Output is correct
55 Correct 1620 ms 3764 KB Output is correct
56 Correct 1607 ms 4032 KB Output is correct
57 Correct 3071 ms 4760 KB Output is correct
58 Correct 1208 ms 3392 KB Output is correct
59 Correct 3378 ms 6580 KB Output is correct
60 Correct 994 ms 3188 KB Output is correct
61 Correct 1496 ms 6236 KB Output is correct
62 Correct 656 ms 7776 KB Output is correct
63 Correct 377 ms 8008 KB Output is correct
64 Correct 622 ms 7936 KB Output is correct
65 Correct 1796 ms 4668 KB Output is correct
66 Correct 1819 ms 4380 KB Output is correct
67 Correct 1383 ms 6404 KB Output is correct
68 Correct 1684 ms 5972 KB Output is correct
69 Correct 3624 ms 5876 KB Output is correct
70 Correct 3580 ms 5656 KB Output is correct
71 Correct 3560 ms 5492 KB Output is correct
72 Correct 3580 ms 5820 KB Output is correct
73 Correct 1811 ms 4784 KB Output is correct
74 Correct 1658 ms 5712 KB Output is correct
75 Correct 147 ms 8292 KB Output is correct
76 Correct 377 ms 8324 KB Output is correct
77 Correct 1596 ms 3560 KB Output is correct
78 Correct 1617 ms 3692 KB Output is correct
79 Correct 1587 ms 3716 KB Output is correct
80 Correct 1589 ms 4012 KB Output is correct
81 Correct 1695 ms 5976 KB Output is correct
82 Correct 1773 ms 4692 KB Output is correct
83 Correct 1761 ms 4432 KB Output is correct
84 Correct 1710 ms 5620 KB Output is correct
85 Correct 1397 ms 6696 KB Output is correct
86 Correct 1305 ms 6564 KB Output is correct
87 Correct 1782 ms 5224 KB Output is correct
88 Correct 1739 ms 4544 KB Output is correct

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 6 ms 644 KB Output is correct
4 Correct 7 ms 604 KB Output is correct
5 Correct 7 ms 964 KB Output is correct
6 Correct 9 ms 900 KB Output is correct
7 Correct 6 ms 600 KB Output is correct
8 Correct 6 ms 860 KB Output is correct
9 Correct 7 ms 860 KB Output is correct
10 Correct 3 ms 784 KB Output is correct
11 Correct 11 ms 600 KB Output is correct
12 Correct 11 ms 832 KB Output is correct
13 Correct 4 ms 860 KB Output is correct
14 Correct 6 ms 860 KB Output is correct
15 Correct 6 ms 712 KB Output is correct
16 Correct 6 ms 604 KB Output is correct
17 Correct 6 ms 604 KB Output is correct
18 Correct 4 ms 932 KB Output is correct
19 Correct 6 ms 604 KB Output is correct
20 Correct 6 ms 604 KB Output is correct
21 Correct 3581 ms 5952 KB Output is correct
22 Correct 3593 ms 6272 KB Output is correct
23 Correct 3636 ms 6524 KB Output is correct
24 Correct 3549 ms 6788 KB Output is correct
25 Correct 814 ms 8848 KB Output is correct
26 Correct 443 ms 9016 KB Output is correct
27 Correct 3576 ms 6636 KB Output is correct
28 Correct 3648 ms 6624 KB Output is correct
29 Correct 3742 ms 6240 KB Output is correct
30 Correct 2310 ms 4516 KB Output is correct
31 Correct 2819 ms 5372 KB Output is correct
32 Correct 3030 ms 7756 KB Output is correct
33 Correct 1606 ms 3900 KB Output is correct
34 Correct 1615 ms 3640 KB Output is correct
35 Correct 1590 ms 3844 KB Output is correct
36 Correct 1610 ms 3692 KB Output is correct
37 Correct 2917 ms 6908 KB Output is correct
38 Correct 3389 ms 6492 KB Output is correct
39 Correct 3173 ms 6668 KB Output is correct
40 Correct 762 ms 8260 KB Output is correct
41 Correct 484 ms 7940 KB Output is correct
42 Correct 1342 ms 6816 KB Output is correct
43 Correct 1673 ms 4060 KB Output is correct
44 Correct 1275 ms 6980 KB Output is correct
45 Correct 1518 ms 6332 KB Output is correct
46 Correct 1882 ms 5064 KB Output is correct
47 Correct 1834 ms 4692 KB Output is correct
48 Correct 1798 ms 4408 KB Output is correct
49 Correct 3539 ms 5972 KB Output is correct
50 Correct 3561 ms 5924 KB Output is correct
51 Correct 3609 ms 5924 KB Output is correct
52 Correct 3551 ms 5984 KB Output is correct
53 Correct 1686 ms 3964 KB Output is correct
54 Correct 1772 ms 5524 KB Output is correct
55 Correct 1655 ms 5796 KB Output is correct
56 Correct 1791 ms 5664 KB Output is correct
57 Correct 1592 ms 3660 KB Output is correct
58 Correct 1628 ms 3640 KB Output is correct
59 Correct 1633 ms 3964 KB Output is correct
60 Correct 1621 ms 3772 KB Output is correct
61 Correct 1559 ms 6296 KB Output is correct
62 Correct 1571 ms 6444 KB Output is correct
63 Correct 453 ms 8352 KB Output is correct
64 Correct 1325 ms 6916 KB Output is correct
65 Correct 1427 ms 6924 KB Output is correct
66 Correct 1786 ms 4936 KB Output is correct
67 Correct 1688 ms 6092 KB Output is correct
68 Correct 1354 ms 6812 KB Output is correct
69 Correct 1620 ms 4008 KB Output is correct
70 Correct 1574 ms 4460 KB Output is correct
71 Correct 1600 ms 4532 KB Output is correct
72 Correct 1609 ms 4556 KB Output is correct
73 Correct 2572 ms 7952 KB Output is correct
74 Correct 1706 ms 4296 KB Output is correct
75 Correct 2019 ms 8440 KB Output is correct
76 Correct 2363 ms 4824 KB Output is correct
77 Correct 1825 ms 5820 KB Output is correct
78 Correct 1152 ms 7684 KB Output is correct
79 Correct 1778 ms 4912 KB Output is correct
80 Correct 274 ms 8928 KB Output is correct
81 Correct 1480 ms 6920 KB Output is correct
82 Correct 1794 ms 5820 KB Output is correct
83 Correct 518 ms 8584 KB Output is correct
84 Correct 1409 ms 7256 KB Output is correct
85 Correct 3532 ms 5652 KB Output is correct
86 Correct 3539 ms 5740 KB Output is correct
87 Correct 3591 ms 5612 KB Output is correct
88 Correct 3574 ms 5908 KB Output is correct
89 Correct 1566 ms 3732 KB Output is correct
90 Correct 1593 ms 3784 KB Output is correct
91 Correct 1620 ms 3764 KB Output is correct
92 Correct 1607 ms 4032 KB Output is correct
93 Correct 3071 ms 4760 KB Output is correct
94 Correct 1208 ms 3392 KB Output is correct
95 Correct 3378 ms 6580 KB Output is correct
96 Correct 994 ms 3188 KB Output is correct
97 Correct 1496 ms 6236 KB Output is correct
98 Correct 656 ms 7776 KB Output is correct
99 Correct 377 ms 8008 KB Output is correct
100 Correct 622 ms 7936 KB Output is correct
101 Correct 1796 ms 4668 KB Output is correct
102 Correct 1819 ms 4380 KB Output is correct
103 Correct 1383 ms 6404 KB Output is correct
104 Correct 1684 ms 5972 KB Output is correct
105 Correct 3624 ms 5876 KB Output is correct
106 Correct 3580 ms 5656 KB Output is correct
107 Correct 3560 ms 5492 KB Output is correct
108 Correct 3580 ms 5820 KB Output is correct
109 Correct 1811 ms 4784 KB Output is correct
110 Correct 1658 ms 5712 KB Output is correct
111 Correct 147 ms 8292 KB Output is correct
112 Correct 377 ms 8324 KB Output is correct
113 Correct 1596 ms 3560 KB Output is correct
114 Correct 1617 ms 3692 KB Output is correct
115 Correct 1587 ms 3716 KB Output is correct
116 Correct 1589 ms 4012 KB Output is correct
117 Correct 1695 ms 5976 KB Output is correct
118 Correct 1773 ms 4692 KB Output is correct
119 Correct 1761 ms 4432 KB Output is correct
120 Correct 1710 ms 5620 KB Output is correct
121 Correct 1397 ms 6696 KB Output is correct
122 Correct 1305 ms 6564 KB Output is correct
123 Correct 1782 ms 5224 KB Output is correct
124 Correct 1739 ms 4544 KB Output is correct
125 Execution timed out 5011 ms 4864 KB Time limit exceeded
126 Halted 0 ms 0 KB -