답안 #699439

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
699439	2023-02-16T23:59:47 Z	aelf2k23	초음속철도 (OJUZ11_rail)	C++14	0 / 100	3000 ms	7756 KB

rail

#include<bits/stdc++.h>
#define int long long
#define ll long long
#define fr first
#define sc second
#define all(s) s.begin(), s.end()
using namespace std;

const int nmax = 200005;

const int mod = 1e9 + 7;

int n, m, dp[nmax];
pair<int,int> a[nmax];

vector<int>vecc;

int32_t main(){
    cin >> n >> m;
    for(int i=1;i<=m;i++){
        cin >> a[i].fr >> a[i].sc;
        swap(a[i].fr, a[i].sc);
        vecc.push_back(a[i].fr);
        vecc.push_back(a[i].sc);
    }
    sort(all(vecc));
    vecc.resize(unique(all(vecc)) - vecc.begin());

    for(int i=1;i<=m;i++){
        a[i].fr = lower_bound(all(vecc), a[i].fr) - vecc.begin();
        a[i].sc = lower_bound(all(vecc), a[i].sc) - vecc.begin();
    }

    sort(a + 1, a + m + 1);
    for(int i=1;i<=m;i++){
        swap(a[i].fr, a[i].sc);
    }
    int n = vecc.size() - 1;

    dp[0] = 1;

    for(int i=1;i<=m;i++){
        for(int j=0;j<a[i].fr;j++){
            dp[j] = dp[j] * 2LL % mod;
        }
        for(int j=a[i].sc;j>=a[i].fr;j--){
            dp[a[i].sc] = (dp[a[i].sc] + dp[j]) % mod;
        }
    }
    

    cout << dp[n] << '\n';
}

Subtask #1
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Incorrect	1 ms	212 KB	Output isn't correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	304 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	300 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	308 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Incorrect	1 ms	212 KB	Output isn't correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	304 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	300 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	308 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	308 KB	Output is correct
20	Correct	0 ms	308 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	308 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	304 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Incorrect	1 ms	308 KB	Output isn't correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	312 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct

Subtask #3
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	304 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Incorrect	0 ms	212 KB	Output isn't correct
4	Correct	17 ms	596 KB	Output is correct
5	Execution timed out	3070 ms	7344 KB	Time limit exceeded
6	Execution timed out	3093 ms	7488 KB	Time limit exceeded
7	Execution timed out	3040 ms	7460 KB	Time limit exceeded
8	Correct	1 ms	256 KB	Output is correct
9	Execution timed out	3059 ms	6956 KB	Time limit exceeded
10	Execution timed out	3067 ms	7544 KB	Time limit exceeded
11	Execution timed out	3069 ms	4680 KB	Time limit exceeded
12	Execution timed out	3069 ms	7732 KB	Time limit exceeded
13	Execution timed out	3068 ms	7476 KB	Time limit exceeded
14	Correct	123 ms	6804 KB	Output is correct
15	Execution timed out	3071 ms	7436 KB	Time limit exceeded
16	Correct	137 ms	6760 KB	Output is correct
17	Execution timed out	3089 ms	7460 KB	Time limit exceeded
18	Execution timed out	3086 ms	7572 KB	Time limit exceeded
19	Execution timed out	3075 ms	7448 KB	Time limit exceeded

Subtask #4
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Incorrect	1 ms	212 KB	Output isn't correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	304 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	300 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	308 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	308 KB	Output is correct
20	Correct	0 ms	308 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	308 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	304 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Incorrect	1 ms	308 KB	Output isn't correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	312 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	95 ms	704 KB	Output is correct
37	Correct	68 ms	612 KB	Output is correct
38	Correct	25 ms	468 KB	Output is correct
39	Correct	2 ms	596 KB	Output is correct
40	Correct	25 ms	720 KB	Output is correct
41	Correct	78 ms	736 KB	Output is correct
42	Correct	96 ms	752 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	71 ms	636 KB	Output is correct
45	Correct	3 ms	596 KB	Output is correct
46	Correct	64 ms	688 KB	Output is correct
47	Correct	52 ms	728 KB	Output is correct
48	Correct	55 ms	724 KB	Output is correct
49	Correct	6 ms	596 KB	Output is correct
50	Correct	6 ms	700 KB	Output is correct
51	Correct	5 ms	704 KB	Output is correct
52	Correct	5 ms	352 KB	Output is correct
53	Correct	77 ms	716 KB	Output is correct
54	Correct	20 ms	468 KB	Output is correct
55	Correct	93 ms	744 KB	Output is correct

Subtask #5
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Incorrect	1 ms	212 KB	Output isn't correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	304 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	300 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	308 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	308 KB	Output is correct
20	Correct	0 ms	308 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	308 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	304 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Incorrect	1 ms	308 KB	Output isn't correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	312 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	0 ms	304 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Incorrect	0 ms	212 KB	Output isn't correct
39	Correct	17 ms	596 KB	Output is correct
40	Execution timed out	3070 ms	7344 KB	Time limit exceeded
41	Execution timed out	3093 ms	7488 KB	Time limit exceeded
42	Execution timed out	3040 ms	7460 KB	Time limit exceeded
43	Correct	1 ms	256 KB	Output is correct
44	Execution timed out	3059 ms	6956 KB	Time limit exceeded
45	Execution timed out	3067 ms	7544 KB	Time limit exceeded
46	Execution timed out	3069 ms	4680 KB	Time limit exceeded
47	Execution timed out	3069 ms	7732 KB	Time limit exceeded
48	Execution timed out	3068 ms	7476 KB	Time limit exceeded
49	Correct	123 ms	6804 KB	Output is correct
50	Execution timed out	3071 ms	7436 KB	Time limit exceeded
51	Correct	137 ms	6760 KB	Output is correct
52	Execution timed out	3089 ms	7460 KB	Time limit exceeded
53	Execution timed out	3086 ms	7572 KB	Time limit exceeded
54	Execution timed out	3075 ms	7448 KB	Time limit exceeded
55	Correct	95 ms	704 KB	Output is correct
56	Correct	68 ms	612 KB	Output is correct
57	Correct	25 ms	468 KB	Output is correct
58	Correct	2 ms	596 KB	Output is correct
59	Correct	25 ms	720 KB	Output is correct
60	Correct	78 ms	736 KB	Output is correct
61	Correct	96 ms	752 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	71 ms	636 KB	Output is correct
64	Correct	3 ms	596 KB	Output is correct
65	Correct	64 ms	688 KB	Output is correct
66	Correct	52 ms	728 KB	Output is correct
67	Correct	55 ms	724 KB	Output is correct
68	Correct	6 ms	596 KB	Output is correct
69	Correct	6 ms	700 KB	Output is correct
70	Correct	5 ms	704 KB	Output is correct
71	Correct	5 ms	352 KB	Output is correct
72	Correct	77 ms	716 KB	Output is correct
73	Correct	20 ms	468 KB	Output is correct
74	Correct	93 ms	744 KB	Output is correct
75	Execution timed out	3080 ms	7624 KB	Time limit exceeded
76	Execution timed out	3079 ms	5508 KB	Time limit exceeded
77	Correct	1182 ms	6708 KB	Output is correct
78	Correct	80 ms	6716 KB	Output is correct
79	Execution timed out	3091 ms	7088 KB	Time limit exceeded
80	Execution timed out	3084 ms	7660 KB	Time limit exceeded
81	Correct	44 ms	672 KB	Output is correct
82	Execution timed out	3061 ms	7528 KB	Time limit exceeded
83	Correct	122 ms	6796 KB	Output is correct
84	Execution timed out	3064 ms	7512 KB	Time limit exceeded
85	Execution timed out	3069 ms	7528 KB	Time limit exceeded
86	Execution timed out	3072 ms	7436 KB	Time limit exceeded
87	Correct	204 ms	6712 KB	Output is correct
88	Correct	181 ms	6812 KB	Output is correct
89	Execution timed out	3035 ms	7636 KB	Time limit exceeded
90	Execution timed out	3063 ms	7700 KB	Time limit exceeded
91	Execution timed out	3079 ms	7740 KB	Time limit exceeded
92	Execution timed out	3082 ms	7600 KB	Time limit exceeded
93	Execution timed out	3071 ms	7456 KB	Time limit exceeded
94	Execution timed out	3093 ms	7600 KB	Time limit exceeded
95	Execution timed out	3077 ms	7756 KB	Time limit exceeded

답안 #699439

Compilation message

Subtask #1 0 / 10.0

Subtask #2 0 / 8.0

Subtask #3 0 / 25.0

Subtask #4 0 / 27.0

Subtask #5 0 / 30.0

Subtask #1
0 / 10.0

Subtask #2
0 / 8.0

Subtask #3
0 / 25.0

Subtask #4
0 / 27.0

Subtask #5
0 / 30.0