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Submission #564178

# Submission time Handle Problem Language Result Execution time Memory
564178 2022-05-18T16:39:28 Z cheissmart Misspelling (JOI22_misspelling) C++14
100 / 100
 1582 ms 206720 KB 
#include <bits/stdc++.h>
#define IO_OP ios::sync_with_stdio(0), cin.tie(0)
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(v) int((v).size())
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

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

void add(int& a, int b) {
	a += b;
	if(a >= M) a -= M;
}

V<pi> G[N];

struct DS {
	int sum;
	V<pi> pq;
	void upd(int pos, int val) {
		pq.PB({pos, val});
		add(sum, val);
	}
	void remove_less_than(int pos) {
		while(pq.size() && pq.back().F < pos) {
			add(sum, M - pq.back().S);
			pq.pop_back();
		}
	}
} ds[26][2];

signed main()
{
	IO_OP;

	int n, m;
	cin >> n >> m;
	for(int i = 0; i < m; i++) {
		int a, b;
		cin >> a >> b;
		a--, b--;
		assert(a != b);
		if(a < b) {
			G[a].EB(b, 1);
		} else {
			G[b].EB(a, 0);
		}
	}
	for(int c = 0; c < 26; c++)
		ds[c][0].upd(n - 1, 1);

	for(int i = n - 2; i >= 0; i--) {
		V<array<int, 4>> todo;
		for(int c = 0; c < 26; c++) {
			int he = 0, be = 0;
			for(int cc = 0; cc < 26; cc++) {
				if(cc < c) add(he, ds[cc][0].sum), add(he, ds[cc][1].sum);
				if(cc > c) add(be, ds[cc][0].sum), add(be, ds[cc][1].sum);
			}
			todo.PB({c, 0, i, he});
			todo.PB({c, 1, i, be});
		}
		for(auto[c, tp, pos, x]:todo)
			ds[c][tp].upd(pos, x);
		for(auto[j, tp]:G[i])
			for(int c = 0; c < 26; c++)
				ds[c][tp].remove_less_than(j);
	}
	int ans = 0;
	for(int c = 0; c < 26; c++)
		add(ans, ds[c][0].sum), add(ans, ds[c][1].sum);

	cout << ans << '\n';

}

Compilation message

misspelling.cpp: In function 'int main()':
misspelling.cpp:73:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   73 |   for(auto[c, tp, pos, x]:todo)
      |           ^
misspelling.cpp:75:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   75 |   for(auto[j, tp]:G[i])
      |           ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11988 KB Output is correct
2 Correct 7 ms 11988 KB Output is correct
3 Correct 7 ms 12068 KB Output is correct
4 Correct 7 ms 11988 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 9 ms 11988 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 7 ms 12008 KB Output is correct
9 Correct 7 ms 12068 KB Output is correct
10 Correct 6 ms 12060 KB Output is correct
11 Correct 7 ms 12064 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 7 ms 11988 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11988 KB Output is correct
2 Correct 7 ms 11988 KB Output is correct
3 Correct 7 ms 12068 KB Output is correct
4 Correct 7 ms 11988 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 9 ms 11988 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 7 ms 12008 KB Output is correct
9 Correct 7 ms 12068 KB Output is correct
10 Correct 6 ms 12060 KB Output is correct
11 Correct 7 ms 12064 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 7 ms 11988 KB Output is correct
15 Correct 7 ms 12116 KB Output is correct
16 Correct 7 ms 12064 KB Output is correct
17 Correct 8 ms 12060 KB Output is correct
18 Correct 7 ms 11988 KB Output is correct
19 Correct 8 ms 11988 KB Output is correct
20 Correct 7 ms 11988 KB Output is correct
21 Correct 7 ms 12056 KB Output is correct
22 Correct 9 ms 12284 KB Output is correct
23 Correct 7 ms 12116 KB Output is correct
24 Correct 7 ms 11988 KB Output is correct
25 Correct 7 ms 12060 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 7 ms 11988 KB Output is correct
3 Correct 6 ms 11988 KB Output is correct
4 Correct 8 ms 12056 KB Output is correct
5 Correct 1476 ms 28944 KB Output is correct
6 Correct 1473 ms 28748 KB Output is correct
7 Correct 1479 ms 28884 KB Output is correct
8 Correct 1484 ms 28728 KB Output is correct
9 Correct 1488 ms 29004 KB Output is correct
10 Correct 66 ms 12884 KB Output is correct
11 Correct 7 ms 12020 KB Output is correct
12 Correct 7 ms 12068 KB Output is correct
13 Correct 1562 ms 24432 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11988 KB Output is correct
2 Correct 7 ms 11988 KB Output is correct
3 Correct 7 ms 12068 KB Output is correct
4 Correct 7 ms 11988 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 9 ms 11988 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 7 ms 12008 KB Output is correct
9 Correct 7 ms 12068 KB Output is correct
10 Correct 6 ms 12060 KB Output is correct
11 Correct 7 ms 12064 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 7 ms 11988 KB Output is correct
15 Correct 7 ms 12116 KB Output is correct
16 Correct 7 ms 12064 KB Output is correct
17 Correct 8 ms 12060 KB Output is correct
18 Correct 7 ms 11988 KB Output is correct
19 Correct 8 ms 11988 KB Output is correct
20 Correct 7 ms 11988 KB Output is correct
21 Correct 7 ms 12056 KB Output is correct
22 Correct 9 ms 12284 KB Output is correct
23 Correct 7 ms 12116 KB Output is correct
24 Correct 7 ms 11988 KB Output is correct
25 Correct 7 ms 12060 KB Output is correct
26 Correct 65 ms 12912 KB Output is correct
27 Correct 69 ms 17720 KB Output is correct
28 Correct 66 ms 17708 KB Output is correct
29 Correct 65 ms 13128 KB Output is correct
30 Correct 67 ms 13140 KB Output is correct
31 Correct 173 ms 20012 KB Output is correct
32 Correct 64 ms 12908 KB Output is correct
33 Correct 71 ms 12964 KB Output is correct
34 Correct 66 ms 12852 KB Output is correct
35 Correct 177 ms 20204 KB Output is correct
36 Correct 68 ms 21824 KB Output is correct
37 Correct 66 ms 12692 KB Output is correct
38 Correct 69 ms 12652 KB Output is correct
39 Correct 64 ms 12712 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11988 KB Output is correct
2 Correct 7 ms 11988 KB Output is correct
3 Correct 7 ms 12068 KB Output is correct
4 Correct 7 ms 11988 KB Output is correct
5 Correct 7 ms 11988 KB Output is correct
6 Correct 9 ms 11988 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 7 ms 12008 KB Output is correct
9 Correct 7 ms 12068 KB Output is correct
10 Correct 6 ms 12060 KB Output is correct
11 Correct 7 ms 12064 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 7 ms 11988 KB Output is correct
15 Correct 7 ms 12116 KB Output is correct
16 Correct 7 ms 12064 KB Output is correct
17 Correct 8 ms 12060 KB Output is correct
18 Correct 7 ms 11988 KB Output is correct
19 Correct 8 ms 11988 KB Output is correct
20 Correct 7 ms 11988 KB Output is correct
21 Correct 7 ms 12056 KB Output is correct
22 Correct 9 ms 12284 KB Output is correct
23 Correct 7 ms 12116 KB Output is correct
24 Correct 7 ms 11988 KB Output is correct
25 Correct 7 ms 12060 KB Output is correct
26 Correct 6 ms 11988 KB Output is correct
27 Correct 7 ms 11988 KB Output is correct
28 Correct 6 ms 11988 KB Output is correct
29 Correct 8 ms 12056 KB Output is correct
30 Correct 1476 ms 28944 KB Output is correct
31 Correct 1473 ms 28748 KB Output is correct
32 Correct 1479 ms 28884 KB Output is correct
33 Correct 1484 ms 28728 KB Output is correct
34 Correct 1488 ms 29004 KB Output is correct
35 Correct 66 ms 12884 KB Output is correct
36 Correct 7 ms 12020 KB Output is correct
37 Correct 7 ms 12068 KB Output is correct
38 Correct 1562 ms 24432 KB Output is correct
39 Correct 65 ms 12912 KB Output is correct
40 Correct 69 ms 17720 KB Output is correct
41 Correct 66 ms 17708 KB Output is correct
42 Correct 65 ms 13128 KB Output is correct
43 Correct 67 ms 13140 KB Output is correct
44 Correct 173 ms 20012 KB Output is correct
45 Correct 64 ms 12908 KB Output is correct
46 Correct 71 ms 12964 KB Output is correct
47 Correct 66 ms 12852 KB Output is correct
48 Correct 177 ms 20204 KB Output is correct
49 Correct 68 ms 21824 KB Output is correct
50 Correct 66 ms 12692 KB Output is correct
51 Correct 69 ms 12652 KB Output is correct
52 Correct 64 ms 12712 KB Output is correct
53 Correct 1465 ms 31652 KB Output is correct
54 Correct 1472 ms 123796 KB Output is correct
55 Correct 1582 ms 35016 KB Output is correct
56 Correct 1563 ms 35044 KB Output is correct
57 Correct 1477 ms 28744 KB Output is correct
58 Correct 1452 ms 28816 KB Output is correct
59 Correct 1495 ms 28868 KB Output is correct
60 Correct 1582 ms 24012 KB Output is correct
61 Correct 1488 ms 206720 KB Output is correct
62 Correct 1543 ms 22116 KB Output is correct
63 Correct 1482 ms 20244 KB Output is correct
64 Correct 1453 ms 18068 KB Output is correct