답안 #971454

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
971454	2024-04-28T14:23:36 Z	happy_node	Misspelling (JOI22_misspelling)	C++17	100 / 100	967 ms	266432 KB

misspelling

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX=5e5+5, mod=1e9+7;
int N,M;

vector<pair<int,int>> open[MX], close[MX];

ll dp[MX][26], sdp[MX][26];

int main() {
	cin.tie(0); ios_base::sync_with_stdio(0);

	cin>>N>>M;

	for(int i=0;i<M;i++) {
		int a,b;
		cin>>a>>b;

		if(a<b) {
			open[a].push_back({b,1}); // s_{i-1} > s{i}
			close[b].push_back({a,1});
		} else {
			// a > b
			open[b].push_back({a,0}); // s_{i-1} < s{i}
			close[a].push_back({b,0});
		}
	}

	for(int c=0;c<26;c++) dp[1][c]=1, sdp[1][c]=1;

	multiset<int> st[2];
	st[0].insert(0);
	st[1].insert(0);
	for(auto [j,t]:open[1]) st[t].insert(1);

	for(int i=2;i<=N;i++) {
		int p=*st[0].rbegin();
		int q=*st[1].rbegin();

		// [max(p,q)+1, i] any value bcs alrdy solved
		// [min(p,q)+1, max(p,q)] put appropriate value
		
		if(p<=q) {
			ll cur=0;
			for(int c=0;c<26;c++) {
				dp[i][c]+=cur;
				dp[i][c]%=mod;
				cur+=sdp[max(p,q)][c];
				cur-=sdp[min(p,q)][c];
				cur+=mod;
				cur%=mod;
			}
		}

		if(p>=q) {
			ll cur=0;
			for(int c=25;c>=0;c--) {
				dp[i][c]+=cur;
				dp[i][c]%=mod;
				cur+=sdp[max(p,q)][c];
				cur-=sdp[min(p,q)][c];
				cur+=mod;
				cur%=mod;
			}
		}

		ll cur=0;
		for(int c=0;c<26;c++) {
			dp[i][c]+=cur;
			dp[i][c]%=mod;
			cur+=sdp[i-1][c];
			cur-=sdp[max(p,q)][c];
			cur+=mod;
			cur%=mod;
		}
		cur=0;
		for(int c=25;c>=0;c--) {
			dp[i][c]+=cur;
			dp[i][c]%=mod;
			cur+=sdp[i-1][c];
			cur-=sdp[max(p,q)][c];
			cur+=mod;
			cur%=mod;
		}

		for(int c=0;c<26;c++) {
			sdp[i][c]=sdp[i-1][c]+dp[i][c];
			sdp[i][c]%=mod;
		}
		
		for(auto [j,t]:open[i]) st[t].insert(i);
		for(auto [j,t]:close[i]) {
			st[t].erase(st[t].find(j));
		}
	}

	ll ans=0;
	for(int c=0;c<26;c++) {
		ans+=sdp[N][c];
		ans%=mod;
	}

	cout<<ans<<'\n';
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	25948 KB	Output is correct
2	Correct	6 ms	25948 KB	Output is correct
3	Correct	7 ms	25948 KB	Output is correct
4	Correct	8 ms	26036 KB	Output is correct
5	Correct	7 ms	26200 KB	Output is correct
6	Correct	6 ms	25948 KB	Output is correct
7	Correct	7 ms	25948 KB	Output is correct
8	Correct	7 ms	26036 KB	Output is correct
9	Correct	6 ms	26204 KB	Output is correct
10	Correct	6 ms	26192 KB	Output is correct
11	Correct	6 ms	25948 KB	Output is correct
12	Correct	6 ms	25948 KB	Output is correct
13	Correct	7 ms	25992 KB	Output is correct
14	Correct	6 ms	25944 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	25948 KB	Output is correct
2	Correct	6 ms	25948 KB	Output is correct
3	Correct	7 ms	25948 KB	Output is correct
4	Correct	8 ms	26036 KB	Output is correct
5	Correct	7 ms	26200 KB	Output is correct
6	Correct	6 ms	25948 KB	Output is correct
7	Correct	7 ms	25948 KB	Output is correct
8	Correct	7 ms	26036 KB	Output is correct
9	Correct	6 ms	26204 KB	Output is correct
10	Correct	6 ms	26192 KB	Output is correct
11	Correct	6 ms	25948 KB	Output is correct
12	Correct	6 ms	25948 KB	Output is correct
13	Correct	7 ms	25992 KB	Output is correct
14	Correct	6 ms	25944 KB	Output is correct
15	Correct	6 ms	26204 KB	Output is correct
16	Correct	6 ms	26204 KB	Output is correct
17	Correct	6 ms	26204 KB	Output is correct
18	Correct	6 ms	26204 KB	Output is correct
19	Correct	6 ms	26204 KB	Output is correct
20	Correct	8 ms	26456 KB	Output is correct
21	Correct	6 ms	26200 KB	Output is correct
22	Correct	10 ms	26716 KB	Output is correct
23	Correct	6 ms	26204 KB	Output is correct
24	Correct	6 ms	26204 KB	Output is correct
25	Correct	6 ms	26196 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	25948 KB	Output is correct
2	Correct	7 ms	25944 KB	Output is correct
3	Correct	6 ms	25948 KB	Output is correct
4	Correct	6 ms	25948 KB	Output is correct
5	Correct	413 ms	265396 KB	Output is correct
6	Correct	413 ms	265276 KB	Output is correct
7	Correct	379 ms	265288 KB	Output is correct
8	Correct	382 ms	265236 KB	Output is correct
9	Correct	394 ms	265232 KB	Output is correct
10	Correct	21 ms	34908 KB	Output is correct
11	Correct	6 ms	26204 KB	Output is correct
12	Correct	6 ms	26200 KB	Output is correct
13	Correct	967 ms	266432 KB	Output is correct

Subtask #4
32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	25948 KB	Output is correct
2	Correct	6 ms	25948 KB	Output is correct
3	Correct	7 ms	25948 KB	Output is correct
4	Correct	8 ms	26036 KB	Output is correct
5	Correct	7 ms	26200 KB	Output is correct
6	Correct	6 ms	25948 KB	Output is correct
7	Correct	7 ms	25948 KB	Output is correct
8	Correct	7 ms	26036 KB	Output is correct
9	Correct	6 ms	26204 KB	Output is correct
10	Correct	6 ms	26192 KB	Output is correct
11	Correct	6 ms	25948 KB	Output is correct
12	Correct	6 ms	25948 KB	Output is correct
13	Correct	7 ms	25992 KB	Output is correct
14	Correct	6 ms	25944 KB	Output is correct
15	Correct	6 ms	26204 KB	Output is correct
16	Correct	6 ms	26204 KB	Output is correct
17	Correct	6 ms	26204 KB	Output is correct
18	Correct	6 ms	26204 KB	Output is correct
19	Correct	6 ms	26204 KB	Output is correct
20	Correct	8 ms	26456 KB	Output is correct
21	Correct	6 ms	26200 KB	Output is correct
22	Correct	10 ms	26716 KB	Output is correct
23	Correct	6 ms	26204 KB	Output is correct
24	Correct	6 ms	26204 KB	Output is correct
25	Correct	6 ms	26196 KB	Output is correct
26	Correct	21 ms	34904 KB	Output is correct
27	Correct	23 ms	34392 KB	Output is correct
28	Correct	21 ms	34112 KB	Output is correct
29	Correct	27 ms	34648 KB	Output is correct
30	Correct	26 ms	34600 KB	Output is correct
31	Correct	303 ms	51756 KB	Output is correct
32	Correct	21 ms	34908 KB	Output is correct
33	Correct	22 ms	34860 KB	Output is correct
34	Correct	27 ms	34908 KB	Output is correct
35	Correct	445 ms	62496 KB	Output is correct
36	Correct	18 ms	33372 KB	Output is correct
37	Correct	29 ms	34640 KB	Output is correct
38	Correct	22 ms	34212 KB	Output is correct
39	Correct	19 ms	33912 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	25948 KB	Output is correct
2	Correct	6 ms	25948 KB	Output is correct
3	Correct	7 ms	25948 KB	Output is correct
4	Correct	8 ms	26036 KB	Output is correct
5	Correct	7 ms	26200 KB	Output is correct
6	Correct	6 ms	25948 KB	Output is correct
7	Correct	7 ms	25948 KB	Output is correct
8	Correct	7 ms	26036 KB	Output is correct
9	Correct	6 ms	26204 KB	Output is correct
10	Correct	6 ms	26192 KB	Output is correct
11	Correct	6 ms	25948 KB	Output is correct
12	Correct	6 ms	25948 KB	Output is correct
13	Correct	7 ms	25992 KB	Output is correct
14	Correct	6 ms	25944 KB	Output is correct
15	Correct	6 ms	26204 KB	Output is correct
16	Correct	6 ms	26204 KB	Output is correct
17	Correct	6 ms	26204 KB	Output is correct
18	Correct	6 ms	26204 KB	Output is correct
19	Correct	6 ms	26204 KB	Output is correct
20	Correct	8 ms	26456 KB	Output is correct
21	Correct	6 ms	26200 KB	Output is correct
22	Correct	10 ms	26716 KB	Output is correct
23	Correct	6 ms	26204 KB	Output is correct
24	Correct	6 ms	26204 KB	Output is correct
25	Correct	6 ms	26196 KB	Output is correct
26	Correct	6 ms	25948 KB	Output is correct
27	Correct	7 ms	25944 KB	Output is correct
28	Correct	6 ms	25948 KB	Output is correct
29	Correct	6 ms	25948 KB	Output is correct
30	Correct	413 ms	265396 KB	Output is correct
31	Correct	413 ms	265276 KB	Output is correct
32	Correct	379 ms	265288 KB	Output is correct
33	Correct	382 ms	265236 KB	Output is correct
34	Correct	394 ms	265232 KB	Output is correct
35	Correct	21 ms	34908 KB	Output is correct
36	Correct	6 ms	26204 KB	Output is correct
37	Correct	6 ms	26200 KB	Output is correct
38	Correct	967 ms	266432 KB	Output is correct
39	Correct	21 ms	34904 KB	Output is correct
40	Correct	23 ms	34392 KB	Output is correct
41	Correct	21 ms	34112 KB	Output is correct
42	Correct	27 ms	34648 KB	Output is correct
43	Correct	26 ms	34600 KB	Output is correct
44	Correct	303 ms	51756 KB	Output is correct
45	Correct	21 ms	34908 KB	Output is correct
46	Correct	22 ms	34860 KB	Output is correct
47	Correct	27 ms	34908 KB	Output is correct
48	Correct	445 ms	62496 KB	Output is correct
49	Correct	18 ms	33372 KB	Output is correct
50	Correct	29 ms	34640 KB	Output is correct
51	Correct	22 ms	34212 KB	Output is correct
52	Correct	19 ms	33912 KB	Output is correct
53	Correct	497 ms	248460 KB	Output is correct
54	Correct	495 ms	248300 KB	Output is correct
55	Correct	800 ms	260556 KB	Output is correct
56	Correct	786 ms	260516 KB	Output is correct
57	Correct	376 ms	265552 KB	Output is correct
58	Correct	376 ms	265300 KB	Output is correct
59	Correct	402 ms	265296 KB	Output is correct
60	Correct	962 ms	265520 KB	Output is correct
61	Correct	293 ms	227408 KB	Output is correct
62	Correct	755 ms	257520 KB	Output is correct
63	Correct	573 ms	248536 KB	Output is correct
64	Correct	408 ms	238656 KB	Output is correct

답안 #971454

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 20.0 / 20.0

Subtask #3 29.0 / 29.0

Subtask #4 32.0 / 32.0

Subtask #5 11.0 / 11.0

Subtask #1
8.0 / 8.0

Subtask #2
20.0 / 20.0

Subtask #3
29.0 / 29.0

Subtask #4
32.0 / 32.0

Subtask #5
11.0 / 11.0