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Submission #541162

# Submission time Handle Problem Language Result Execution time Memory
541162 2022-03-22T12:33:02 Z AlperenT Osumnjičeni (COCI21_osumnjiceni) C++17
110 / 110
 272 ms 33644 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 2e5 + 5, K = 20, INF = 1e9 + 5;

int n, q, a, b, nxt[N], binlift[N][K];

pair<int, int> arr[N];

multiset<pair<int, int>> st;

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

    cin >> n;

    for(int i = 1; i <= n; i++) cin >> arr[i].first >> arr[i].second;

    int r = 0;

    for(int i = 1; i <= n; i++){
        while(r <= n - 1){
            auto it = st.insert(arr[r + 1]);

            if(it != st.begin() && prev(it)->second >= arr[r + 1].first){
                st.erase(st.find(arr[r + 1]));
                break;
            }
            if(next(it) != st.end() && next(it)->first <= arr[r + 1].second){
                st.erase(st.find(arr[r + 1]));
                break;
            } 

            r++;
        }

        nxt[i] = r + 1;

        st.erase(st.find(arr[i]));
    }

    for(int i = n; i >= 1; i--){
        binlift[i][0] = nxt[i];

        for(int j = 1; j < K; j++) binlift[i][j] = binlift[binlift[i][j - 1]][j - 1];
    }

    cin >> q;

    while(q--){
        cin >> a >> b;

        int ans = 0;

        for(int i = K - 1; i >= 0; i--){
            if(binlift[a][i] != 0 && binlift[a][i] <= b){
                ans += 1 << i;
                a = binlift[a][i];
            }
        }

        cout << ans + 1 << "\n";
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 21124 KB Output is correct
2 Correct 81 ms 20916 KB Output is correct
3 Correct 80 ms 20840 KB Output is correct
4 Correct 81 ms 21144 KB Output is correct
5 Correct 80 ms 22088 KB Output is correct
6 Correct 71 ms 20144 KB Output is correct
7 Correct 71 ms 20420 KB Output is correct
8 Correct 84 ms 20608 KB Output is correct
9 Correct 86 ms 21028 KB Output is correct
10 Correct 91 ms 20300 KB Output is correct
11 Correct 185 ms 30272 KB Output is correct
12 Correct 191 ms 28584 KB Output is correct
13 Correct 182 ms 28396 KB Output is correct
14 Correct 168 ms 26316 KB Output is correct
15 Correct 154 ms 24544 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 79 ms 21520 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 852 KB Output is correct
2 Correct 4 ms 852 KB Output is correct
3 Correct 4 ms 852 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Correct 4 ms 852 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 4 ms 852 KB Output is correct
8 Correct 4 ms 828 KB Output is correct
9 Correct 4 ms 856 KB Output is correct
10 Correct 4 ms 824 KB Output is correct
11 Correct 5 ms 1112 KB Output is correct
12 Correct 4 ms 980 KB Output is correct
13 Correct 4 ms 980 KB Output is correct
14 Correct 5 ms 980 KB Output is correct
15 Correct 4 ms 960 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 4 ms 852 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 852 KB Output is correct
2 Correct 4 ms 852 KB Output is correct
3 Correct 4 ms 852 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Correct 4 ms 852 KB Output is correct
6 Correct 5 ms 856 KB Output is correct
7 Correct 4 ms 852 KB Output is correct
8 Correct 4 ms 828 KB Output is correct
9 Correct 4 ms 856 KB Output is correct
10 Correct 4 ms 824 KB Output is correct
11 Correct 5 ms 1112 KB Output is correct
12 Correct 4 ms 980 KB Output is correct
13 Correct 4 ms 980 KB Output is correct
14 Correct 5 ms 980 KB Output is correct
15 Correct 4 ms 960 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 4 ms 852 KB Output is correct
18 Correct 67 ms 3472 KB Output is correct
19 Correct 65 ms 3276 KB Output is correct
20 Correct 74 ms 3596 KB Output is correct
21 Correct 62 ms 3320 KB Output is correct
22 Correct 65 ms 3452 KB Output is correct
23 Correct 62 ms 3324 KB Output is correct
24 Correct 65 ms 3464 KB Output is correct
25 Correct 67 ms 3524 KB Output is correct
26 Correct 63 ms 3396 KB Output is correct
27 Correct 64 ms 3252 KB Output is correct
28 Correct 48 ms 3116 KB Output is correct
29 Correct 53 ms 3296 KB Output is correct
30 Correct 53 ms 3224 KB Output is correct
31 Correct 50 ms 3056 KB Output is correct
32 Correct 51 ms 3172 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 52 ms 3152 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 22220 KB Output is correct
2 Correct 81 ms 21708 KB Output is correct
3 Correct 74 ms 20192 KB Output is correct
4 Correct 75 ms 20000 KB Output is correct
5 Correct 76 ms 20564 KB Output is correct
6 Correct 72 ms 20264 KB Output is correct
7 Correct 70 ms 20140 KB Output is correct
8 Correct 76 ms 20280 KB Output is correct
9 Correct 76 ms 20116 KB Output is correct
10 Correct 89 ms 21616 KB Output is correct
11 Correct 172 ms 28148 KB Output is correct
12 Correct 198 ms 30868 KB Output is correct
13 Correct 161 ms 28156 KB Output is correct
14 Correct 161 ms 24592 KB Output is correct
15 Correct 168 ms 26600 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 70 ms 20496 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 21124 KB Output is correct
2 Correct 81 ms 20916 KB Output is correct
3 Correct 80 ms 20840 KB Output is correct
4 Correct 81 ms 21144 KB Output is correct
5 Correct 80 ms 22088 KB Output is correct
6 Correct 71 ms 20144 KB Output is correct
7 Correct 71 ms 20420 KB Output is correct
8 Correct 84 ms 20608 KB Output is correct
9 Correct 86 ms 21028 KB Output is correct
10 Correct 91 ms 20300 KB Output is correct
11 Correct 185 ms 30272 KB Output is correct
12 Correct 191 ms 28584 KB Output is correct
13 Correct 182 ms 28396 KB Output is correct
14 Correct 168 ms 26316 KB Output is correct
15 Correct 154 ms 24544 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 79 ms 21520 KB Output is correct
18 Correct 5 ms 852 KB Output is correct
19 Correct 4 ms 852 KB Output is correct
20 Correct 4 ms 852 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 5 ms 856 KB Output is correct
24 Correct 4 ms 852 KB Output is correct
25 Correct 4 ms 828 KB Output is correct
26 Correct 4 ms 856 KB Output is correct
27 Correct 4 ms 824 KB Output is correct
28 Correct 5 ms 1112 KB Output is correct
29 Correct 4 ms 980 KB Output is correct
30 Correct 4 ms 980 KB Output is correct
31 Correct 5 ms 980 KB Output is correct
32 Correct 4 ms 960 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 4 ms 852 KB Output is correct
35 Correct 67 ms 3472 KB Output is correct
36 Correct 65 ms 3276 KB Output is correct
37 Correct 74 ms 3596 KB Output is correct
38 Correct 62 ms 3320 KB Output is correct
39 Correct 65 ms 3452 KB Output is correct
40 Correct 62 ms 3324 KB Output is correct
41 Correct 65 ms 3464 KB Output is correct
42 Correct 67 ms 3524 KB Output is correct
43 Correct 63 ms 3396 KB Output is correct
44 Correct 64 ms 3252 KB Output is correct
45 Correct 48 ms 3116 KB Output is correct
46 Correct 53 ms 3296 KB Output is correct
47 Correct 53 ms 3224 KB Output is correct
48 Correct 50 ms 3056 KB Output is correct
49 Correct 51 ms 3172 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 52 ms 3152 KB Output is correct
52 Correct 89 ms 22220 KB Output is correct
53 Correct 81 ms 21708 KB Output is correct
54 Correct 74 ms 20192 KB Output is correct
55 Correct 75 ms 20000 KB Output is correct
56 Correct 76 ms 20564 KB Output is correct
57 Correct 72 ms 20264 KB Output is correct
58 Correct 70 ms 20140 KB Output is correct
59 Correct 76 ms 20280 KB Output is correct
60 Correct 76 ms 20116 KB Output is correct
61 Correct 89 ms 21616 KB Output is correct
62 Correct 172 ms 28148 KB Output is correct
63 Correct 198 ms 30868 KB Output is correct
64 Correct 161 ms 28156 KB Output is correct
65 Correct 161 ms 24592 KB Output is correct
66 Correct 168 ms 26600 KB Output is correct
67 Correct 0 ms 340 KB Output is correct
68 Correct 70 ms 20496 KB Output is correct
69 Correct 260 ms 24372 KB Output is correct
70 Correct 253 ms 25192 KB Output is correct
71 Correct 228 ms 23432 KB Output is correct
72 Correct 242 ms 24500 KB Output is correct
73 Correct 241 ms 24248 KB Output is correct
74 Correct 272 ms 25520 KB Output is correct
75 Correct 250 ms 23836 KB Output is correct
76 Correct 270 ms 25672 KB Output is correct
77 Correct 238 ms 23700 KB Output is correct
78 Correct 236 ms 24240 KB Output is correct
79 Correct 263 ms 33644 KB Output is correct
80 Correct 267 ms 31200 KB Output is correct
81 Correct 229 ms 30940 KB Output is correct
82 Correct 214 ms 27740 KB Output is correct
83 Correct 215 ms 26652 KB Output is correct
84 Correct 0 ms 340 KB Output is correct
85 Correct 142 ms 23748 KB Output is correct