oj.uz

Submission #564206

# Submission time Handle Problem Language Result Execution time Memory
564206 2022-05-18T18:02:03 Z cheissmart Misspelling (JOI22_misspelling) C++14
100 / 100
 856 ms 206684 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, 3>> todo;

		int he = 0, be = 0;
		for(int c = 0; c < 26; c++)
			add(be, ds[c][0].sum), add(be, ds[c][1].sum);
		for(int c = 0; c < 26; c++) {
			if(c) add(he, ds[c - 1][0].sum), add(he, ds[c - 1][1].sum);
			add(be, M - ds[c][0].sum), add(be, M - ds[c][1].sum);
			todo.PB({c, 0, he});
			todo.PB({c, 1, be});
		}
		for(auto[c, tp, x]:todo)
			ds[c][tp].upd(i, 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:74:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   74 |   for(auto[c, tp, x]:todo)
      |           ^
misspelling.cpp:76:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   76 |   for(auto[j, tp]:G[i])
      |           ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 5 ms 12060 KB Output is correct
3 Correct 6 ms 12060 KB Output is correct
4 Correct 6 ms 11988 KB Output is correct
5 Correct 6 ms 12060 KB Output is correct
6 Correct 8 ms 11984 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 6 ms 11988 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 6 ms 11988 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 8 ms 11988 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 5 ms 12060 KB Output is correct
3 Correct 6 ms 12060 KB Output is correct
4 Correct 6 ms 11988 KB Output is correct
5 Correct 6 ms 12060 KB Output is correct
6 Correct 8 ms 11984 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 6 ms 11988 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 6 ms 11988 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 8 ms 11988 KB Output is correct
15 Correct 8 ms 12116 KB Output is correct
16 Correct 8 ms 11988 KB Output is correct
17 Correct 6 ms 12004 KB Output is correct
18 Correct 6 ms 11988 KB Output is correct
19 Correct 7 ms 12052 KB Output is correct
20 Correct 7 ms 11988 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct
22 Correct 9 ms 12116 KB Output is correct
23 Correct 6 ms 12116 KB Output is correct
24 Correct 6 ms 11988 KB Output is correct
25 Correct 6 ms 11988 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12020 KB Output is correct
2 Correct 6 ms 11988 KB Output is correct
3 Correct 7 ms 12032 KB Output is correct
4 Correct 8 ms 11988 KB Output is correct
5 Correct 743 ms 27720 KB Output is correct
6 Correct 715 ms 27728 KB Output is correct
7 Correct 755 ms 27736 KB Output is correct
8 Correct 739 ms 27724 KB Output is correct
9 Correct 708 ms 27844 KB Output is correct
10 Correct 34 ms 12672 KB Output is correct
11 Correct 6 ms 11988 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 774 ms 23516 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 5 ms 12060 KB Output is correct
3 Correct 6 ms 12060 KB Output is correct
4 Correct 6 ms 11988 KB Output is correct
5 Correct 6 ms 12060 KB Output is correct
6 Correct 8 ms 11984 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 6 ms 11988 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 6 ms 11988 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 8 ms 11988 KB Output is correct
15 Correct 8 ms 12116 KB Output is correct
16 Correct 8 ms 11988 KB Output is correct
17 Correct 6 ms 12004 KB Output is correct
18 Correct 6 ms 11988 KB Output is correct
19 Correct 7 ms 12052 KB Output is correct
20 Correct 7 ms 11988 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct
22 Correct 9 ms 12116 KB Output is correct
23 Correct 6 ms 12116 KB Output is correct
24 Correct 6 ms 11988 KB Output is correct
25 Correct 6 ms 11988 KB Output is correct
26 Correct 33 ms 12628 KB Output is correct
27 Correct 37 ms 17524 KB Output is correct
28 Correct 42 ms 17668 KB Output is correct
29 Correct 37 ms 12988 KB Output is correct
30 Correct 38 ms 12884 KB Output is correct
31 Correct 155 ms 18892 KB Output is correct
32 Correct 37 ms 12712 KB Output is correct
33 Correct 35 ms 12628 KB Output is correct
34 Correct 39 ms 12628 KB Output is correct
35 Correct 148 ms 19016 KB Output is correct
36 Correct 35 ms 21900 KB Output is correct
37 Correct 42 ms 12568 KB Output is correct
38 Correct 35 ms 12644 KB Output is correct
39 Correct 35 ms 12652 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11988 KB Output is correct
2 Correct 5 ms 12060 KB Output is correct
3 Correct 6 ms 12060 KB Output is correct
4 Correct 6 ms 11988 KB Output is correct
5 Correct 6 ms 12060 KB Output is correct
6 Correct 8 ms 11984 KB Output is correct
7 Correct 6 ms 11988 KB Output is correct
8 Correct 6 ms 11988 KB Output is correct
9 Correct 6 ms 11988 KB Output is correct
10 Correct 6 ms 11988 KB Output is correct
11 Correct 6 ms 11988 KB Output is correct
12 Correct 6 ms 11988 KB Output is correct
13 Correct 6 ms 11988 KB Output is correct
14 Correct 8 ms 11988 KB Output is correct
15 Correct 8 ms 12116 KB Output is correct
16 Correct 8 ms 11988 KB Output is correct
17 Correct 6 ms 12004 KB Output is correct
18 Correct 6 ms 11988 KB Output is correct
19 Correct 7 ms 12052 KB Output is correct
20 Correct 7 ms 11988 KB Output is correct
21 Correct 6 ms 11988 KB Output is correct
22 Correct 9 ms 12116 KB Output is correct
23 Correct 6 ms 12116 KB Output is correct
24 Correct 6 ms 11988 KB Output is correct
25 Correct 6 ms 11988 KB Output is correct
26 Correct 7 ms 12020 KB Output is correct
27 Correct 6 ms 11988 KB Output is correct
28 Correct 7 ms 12032 KB Output is correct
29 Correct 8 ms 11988 KB Output is correct
30 Correct 743 ms 27720 KB Output is correct
31 Correct 715 ms 27728 KB Output is correct
32 Correct 755 ms 27736 KB Output is correct
33 Correct 739 ms 27724 KB Output is correct
34 Correct 708 ms 27844 KB Output is correct
35 Correct 34 ms 12672 KB Output is correct
36 Correct 6 ms 11988 KB Output is correct
37 Correct 6 ms 11988 KB Output is correct
38 Correct 774 ms 23516 KB Output is correct
39 Correct 33 ms 12628 KB Output is correct
40 Correct 37 ms 17524 KB Output is correct
41 Correct 42 ms 17668 KB Output is correct
42 Correct 37 ms 12988 KB Output is correct
43 Correct 38 ms 12884 KB Output is correct
44 Correct 155 ms 18892 KB Output is correct
45 Correct 37 ms 12712 KB Output is correct
46 Correct 35 ms 12628 KB Output is correct
47 Correct 39 ms 12628 KB Output is correct
48 Correct 148 ms 19016 KB Output is correct
49 Correct 35 ms 21900 KB Output is correct
50 Correct 42 ms 12568 KB Output is correct
51 Correct 35 ms 12644 KB Output is correct
52 Correct 35 ms 12652 KB Output is correct
53 Correct 678 ms 31072 KB Output is correct
54 Correct 726 ms 122740 KB Output is correct
55 Correct 784 ms 34548 KB Output is correct
56 Correct 804 ms 34580 KB Output is correct
57 Correct 734 ms 27680 KB Output is correct
58 Correct 750 ms 27832 KB Output is correct
59 Correct 732 ms 27736 KB Output is correct
60 Correct 856 ms 22988 KB Output is correct
61 Correct 737 ms 206684 KB Output is correct
62 Correct 734 ms 21164 KB Output is correct
63 Correct 715 ms 19272 KB Output is correct
64 Correct 696 ms 16968 KB Output is correct