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답안 #549402

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
549402 2022-04-15T17:49:18 Z keta_tsimakuridze Misspelling (JOI22_misspelling) C++14
100 / 100
 1223 ms 107200 KB 
#include<bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define f first
#define s second
#define endl "\n"
const int N = 5e5 + 5, mod = 1e9 + 7; //!
int t, n, dp[N][26];	
multiset<int> s[2];
vector<pii> st[N], en[N];
void add(int &a, int b) {
	if(b < 0) b += mod;
	a += b;
	if(a >= mod) a -= mod;
}
void upd(int i) {
	for(int j = 0; j < st[i].size(); j++) {
		s[st[i][j].f].insert(st[i][j].s);
	}
	for(int j = 0; j < en[i].size(); j++) {
		s[en[i][j].f].erase(s[en[i][j].f].find(en[i][j].s));
	}	
}
main() {
//	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	int n, m;
	cin >> n >> m;
	#define pb push_back
	for(int i = 1; i <= m; i++) {
		int l, r;
		cin >> l >> r;
		if(l > r) {
			st[r].pb({0, r});
			en[l].pb({0, r});
		} else {
			st[l].pb({1, l});
			en[r].pb({1, l});			
		}
	}
	for(int j = 0; j < 26; j++) dp[1][j] = 1;

	upd(1);
	for(int i = 2; i <= n; i++) {
		int b = 0, c = 0;
		if(s[0].size()) {
			b = *--s[0].end();
		}	
		if(s[1].size())	{
			c = *--s[1].end();
		}
		vector<int> p(26), sf(26);			
		for(int k = 0; k < 26; k++) {
			if(k) p[k] = p[k - 1];
			add(p[k] , dp[i - 1][k] - dp[b][k]);
		}
		for(int k = 26 - 1; k >= 0; k--) {
			if(k != 25) sf[k] = sf[k + 1];
			add(sf[k], dp[i - 1][k] - dp[c][k]);
		}
		for(int j = 0; j < 26; j++) {
			dp[i][j] = dp[i - 1][j];
			if(j) add(dp[i][j], p[j - 1]);
			if(j != 25) add(dp[i][j], sf[j + 1]);
		}
		upd(i);
	}
	int ans = 0;
	for(int i = 0; i < 26; i++) add(ans , dp[n][i]);
	cout << ans;
}

Compilation message

misspelling.cpp: In function 'void upd(int)':
misspelling.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for(int j = 0; j < st[i].size(); j++) {
      |                 ~~^~~~~~~~~~~~~~
misspelling.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for(int j = 0; j < en[i].size(); j++) {
      |                 ~~^~~~~~~~~~~~~~
misspelling.cpp: At global scope:
misspelling.cpp:24:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   24 | main() {
      | ^~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23796 KB Output is correct
4 Correct 14 ms 23720 KB Output is correct
5 Correct 14 ms 23764 KB Output is correct
6 Correct 13 ms 23796 KB Output is correct
7 Correct 17 ms 23764 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 17 ms 23796 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 20 ms 23744 KB Output is correct
14 Correct 12 ms 23796 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23796 KB Output is correct
4 Correct 14 ms 23720 KB Output is correct
5 Correct 14 ms 23764 KB Output is correct
6 Correct 13 ms 23796 KB Output is correct
7 Correct 17 ms 23764 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 17 ms 23796 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 20 ms 23744 KB Output is correct
14 Correct 12 ms 23796 KB Output is correct
15 Correct 12 ms 23820 KB Output is correct
16 Correct 11 ms 23764 KB Output is correct
17 Correct 12 ms 23764 KB Output is correct
18 Correct 14 ms 23828 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23804 KB Output is correct
22 Correct 21 ms 24252 KB Output is correct
23 Correct 14 ms 23800 KB Output is correct
24 Correct 14 ms 23780 KB Output is correct
25 Correct 14 ms 23732 KB Output is correct

Subtask #3
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 13 ms 23688 KB Output is correct
3 Correct 12 ms 23712 KB Output is correct
4 Correct 14 ms 23768 KB Output is correct
5 Correct 543 ms 105932 KB Output is correct
6 Correct 544 ms 105888 KB Output is correct
7 Correct 541 ms 105956 KB Output is correct
8 Correct 524 ms 105912 KB Output is correct
9 Correct 532 ms 105848 KB Output is correct
10 Correct 35 ms 26956 KB Output is correct
11 Correct 13 ms 23716 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 1223 ms 107200 KB Output is correct

Subtask #4
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23796 KB Output is correct
4 Correct 14 ms 23720 KB Output is correct
5 Correct 14 ms 23764 KB Output is correct
6 Correct 13 ms 23796 KB Output is correct
7 Correct 17 ms 23764 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 17 ms 23796 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 20 ms 23744 KB Output is correct
14 Correct 12 ms 23796 KB Output is correct
15 Correct 12 ms 23820 KB Output is correct
16 Correct 11 ms 23764 KB Output is correct
17 Correct 12 ms 23764 KB Output is correct
18 Correct 14 ms 23828 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23804 KB Output is correct
22 Correct 21 ms 24252 KB Output is correct
23 Correct 14 ms 23800 KB Output is correct
24 Correct 14 ms 23780 KB Output is correct
25 Correct 14 ms 23732 KB Output is correct
26 Correct 33 ms 26948 KB Output is correct
27 Correct 29 ms 26472 KB Output is correct
28 Correct 38 ms 26424 KB Output is correct
29 Correct 40 ms 26804 KB Output is correct
30 Correct 38 ms 26804 KB Output is correct
31 Correct 557 ms 38872 KB Output is correct
32 Correct 33 ms 27044 KB Output is correct
33 Correct 33 ms 26948 KB Output is correct
34 Correct 41 ms 26956 KB Output is correct
35 Correct 777 ms 49504 KB Output is correct
36 Correct 19 ms 25812 KB Output is correct
37 Correct 34 ms 26700 KB Output is correct
38 Correct 30 ms 26516 KB Output is correct
39 Correct 24 ms 26196 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23796 KB Output is correct
4 Correct 14 ms 23720 KB Output is correct
5 Correct 14 ms 23764 KB Output is correct
6 Correct 13 ms 23796 KB Output is correct
7 Correct 17 ms 23764 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 17 ms 23796 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 20 ms 23744 KB Output is correct
14 Correct 12 ms 23796 KB Output is correct
15 Correct 12 ms 23820 KB Output is correct
16 Correct 11 ms 23764 KB Output is correct
17 Correct 12 ms 23764 KB Output is correct
18 Correct 14 ms 23828 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23804 KB Output is correct
22 Correct 21 ms 24252 KB Output is correct
23 Correct 14 ms 23800 KB Output is correct
24 Correct 14 ms 23780 KB Output is correct
25 Correct 14 ms 23732 KB Output is correct
26 Correct 12 ms 23764 KB Output is correct
27 Correct 13 ms 23688 KB Output is correct
28 Correct 12 ms 23712 KB Output is correct
29 Correct 14 ms 23768 KB Output is correct
30 Correct 543 ms 105932 KB Output is correct
31 Correct 544 ms 105888 KB Output is correct
32 Correct 541 ms 105956 KB Output is correct
33 Correct 524 ms 105912 KB Output is correct
34 Correct 532 ms 105848 KB Output is correct
35 Correct 35 ms 26956 KB Output is correct
36 Correct 13 ms 23716 KB Output is correct
37 Correct 12 ms 23764 KB Output is correct
38 Correct 1223 ms 107200 KB Output is correct
39 Correct 33 ms 26948 KB Output is correct
40 Correct 29 ms 26472 KB Output is correct
41 Correct 38 ms 26424 KB Output is correct
42 Correct 40 ms 26804 KB Output is correct
43 Correct 38 ms 26804 KB Output is correct
44 Correct 557 ms 38872 KB Output is correct
45 Correct 33 ms 27044 KB Output is correct
46 Correct 33 ms 26948 KB Output is correct
47 Correct 41 ms 26956 KB Output is correct
48 Correct 777 ms 49504 KB Output is correct
49 Correct 19 ms 25812 KB Output is correct
50 Correct 34 ms 26700 KB Output is correct
51 Correct 30 ms 26516 KB Output is correct
52 Correct 24 ms 26196 KB Output is correct
53 Correct 530 ms 92380 KB Output is correct
54 Correct 570 ms 92364 KB Output is correct
55 Correct 952 ms 101072 KB Output is correct
56 Correct 939 ms 101200 KB Output is correct
57 Correct 495 ms 105944 KB Output is correct
58 Correct 505 ms 105932 KB Output is correct
59 Correct 492 ms 105876 KB Output is correct
60 Correct 1132 ms 106188 KB Output is correct
61 Correct 178 ms 74576 KB Output is correct
62 Correct 862 ms 99800 KB Output is correct
63 Correct 613 ms 92548 KB Output is correct
64 Correct 357 ms 84360 KB Output is correct