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Submission #1066822

# Submission time Handle Problem Language Result Execution time Memory
1066822 2024-08-20T07:43:24 Z vjudge1 Fire (BOI24_fire) C++17
40 / 100
 2000 ms 2788 KB 
#include <bits/stdc++.h>
#define ll long long
#define endl "\n"
#define fi first 
#define se second

using namespace std;


int n, m;

void solve(){
    cin >> n >> m;
    vector<pair<int, int>> vai(n);
    for(int i = 0; i < n; i++){
        cin >> vai[i].fi >> vai[i].se;
    }
    sort(vai.begin(), vai.end());

    for(int i = 0; i < n; i++){
        if(vai[i].se < vai[i].fi){
            vai[i].se += m;
        }
    }

    int res = 1e9;
    for(int i = 0; i < n; i++){
    
        int l = 0;
        int banyak = 1;
        int nxt = vai[i].se;
        int cur = vai[i].se;
        bool bisa = true;
        while(cur < vai[i].fi + m){
            while(l < n && vai[l].fi <= cur){
                nxt = max(nxt, vai[l].se);
                l++;
            }
            if((l == n && nxt < vai[i].fi + m) || (nxt == cur)){
                bisa = false;
                break;
            }
            cur = nxt;
            banyak++;
            
        }
        if(bisa){
            res = min(res, banyak);
        }
    }
    if(res != 1e9){
        cout << res << endl;
    }else{
        cout << -1 << endl;
    }
    
    

}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int t = 1;
    while(t--){
        solve();
    }
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 456 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 456 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 352 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 464 KB Output is correct
36 Correct 0 ms 352 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 456 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 352 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 464 KB Output is correct
36 Correct 0 ms 352 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 20 ms 360 KB Output is correct
40 Correct 30 ms 348 KB Output is correct
41 Correct 21 ms 348 KB Output is correct
42 Correct 31 ms 344 KB Output is correct
43 Correct 17 ms 348 KB Output is correct
44 Correct 30 ms 348 KB Output is correct
45 Correct 30 ms 348 KB Output is correct
46 Correct 30 ms 348 KB Output is correct
47 Correct 19 ms 600 KB Output is correct
48 Correct 20 ms 600 KB Output is correct
49 Correct 24 ms 348 KB Output is correct
50 Correct 20 ms 344 KB Output is correct

Subtask #4
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 456 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 20 ms 596 KB Output is correct
16 Correct 30 ms 348 KB Output is correct
17 Correct 17 ms 348 KB Output is correct
18 Correct 33 ms 348 KB Output is correct
19 Correct 19 ms 344 KB Output is correct
20 Execution timed out 2073 ms 2652 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 456 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 456 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 460 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 20 ms 348 KB Output is correct
13 Correct 33 ms 348 KB Output is correct
14 Correct 19 ms 344 KB Output is correct
15 Execution timed out 2098 ms 2788 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #6
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 456 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 352 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 464 KB Output is correct
36 Correct 0 ms 352 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 20 ms 360 KB Output is correct
40 Correct 30 ms 348 KB Output is correct
41 Correct 21 ms 348 KB Output is correct
42 Correct 31 ms 344 KB Output is correct
43 Correct 17 ms 348 KB Output is correct
44 Correct 30 ms 348 KB Output is correct
45 Correct 30 ms 348 KB Output is correct
46 Correct 30 ms 348 KB Output is correct
47 Correct 19 ms 600 KB Output is correct
48 Correct 20 ms 600 KB Output is correct
49 Correct 24 ms 348 KB Output is correct
50 Correct 20 ms 344 KB Output is correct
51 Correct 0 ms 600 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 456 KB Output is correct
56 Correct 1 ms 344 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 0 ms 344 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 20 ms 596 KB Output is correct
66 Correct 30 ms 348 KB Output is correct
67 Correct 17 ms 348 KB Output is correct
68 Correct 33 ms 348 KB Output is correct
69 Correct 19 ms 344 KB Output is correct
70 Execution timed out 2073 ms 2652 KB Time limit exceeded
71 Halted 0 ms 0 KB -