oj.uz

Submission #706561

# Submission time Handle Problem Language Result Execution time Memory
706561 2023-03-07T03:57:44 Z becaido Misspelling (JOI22_misspelling) C++17
100 / 100
 310 ms 62288 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;

#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif

#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second

const int MOD = 1e9 + 7;
const int SIZE = 5e5 + 5;

int n, m;
int mx[SIZE][2];
int dp[SIZE][26], sum[26][2];

inline void add(int &x, int y) {
    x = x + y >= MOD ? x + y - MOD : x + y < 0 ? x + y + MOD : x + y;
}

void solve() {
    cin >> n >> m;
    while (m--) {
        int a, b;
        cin >> a >> b;
        if (a < b) mx[a][0] = max(mx[a][0], b);
        else mx[b][1] = max(mx[b][1], a);
    }
    vector<int> st[2];
    for (int i = n; i >= 1; i--) {
        fill(dp[i], dp[i] + 26, 1);
        for (int t : {0, 1}) while (st[t].size() && st[t].back() <= mx[i][t]) {
            int to = st[t].back();
            st[t].pop_back();
            FOR (j, 0, 25) add(sum[j][t], -dp[to][j]);
        }
        int pre = 0;
        for (int j = 25; j >= 0; j--) {
            add(dp[i][j], pre);
            add(pre, sum[j][0]);
        }
        pre = 0;
        FOR (j, 0, 25) {
            add(dp[i][j], pre);
            add(pre, sum[j][1]);
            add(sum[j][0], dp[i][j]);
            add(sum[j][1], dp[i][j]);
        }
        st[0].pb(i);
        st[1].pb(i);
    }
    cout << accumulate(dp[1], dp[1] + 26, 0ll) % MOD << '\n';
}

int main() {
    Waimai;
    solve();
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 1 ms 324 KB Output is correct
25 Correct 0 ms 340 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 268 ms 61760 KB Output is correct
6 Correct 260 ms 61692 KB Output is correct
7 Correct 278 ms 61684 KB Output is correct
8 Correct 276 ms 61620 KB Output is correct
9 Correct 281 ms 61720 KB Output is correct
10 Correct 13 ms 2644 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 261 ms 61644 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 1 ms 324 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 10 ms 2736 KB Output is correct
27 Correct 11 ms 2740 KB Output is correct
28 Correct 10 ms 2772 KB Output is correct
29 Correct 12 ms 2644 KB Output is correct
30 Correct 13 ms 2644 KB Output is correct
31 Correct 84 ms 7764 KB Output is correct
32 Correct 12 ms 2692 KB Output is correct
33 Correct 12 ms 2676 KB Output is correct
34 Correct 10 ms 2632 KB Output is correct
35 Correct 79 ms 7720 KB Output is correct
36 Correct 7 ms 2644 KB Output is correct
37 Correct 11 ms 2644 KB Output is correct
38 Correct 10 ms 2644 KB Output is correct
39 Correct 10 ms 2572 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 1 ms 328 KB Output is correct
24 Correct 1 ms 324 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 268 ms 61760 KB Output is correct
31 Correct 260 ms 61692 KB Output is correct
32 Correct 278 ms 61684 KB Output is correct
33 Correct 276 ms 61620 KB Output is correct
34 Correct 281 ms 61720 KB Output is correct
35 Correct 13 ms 2644 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 261 ms 61644 KB Output is correct
39 Correct 10 ms 2736 KB Output is correct
40 Correct 11 ms 2740 KB Output is correct
41 Correct 10 ms 2772 KB Output is correct
42 Correct 12 ms 2644 KB Output is correct
43 Correct 13 ms 2644 KB Output is correct
44 Correct 84 ms 7764 KB Output is correct
45 Correct 12 ms 2692 KB Output is correct
46 Correct 12 ms 2676 KB Output is correct
47 Correct 10 ms 2632 KB Output is correct
48 Correct 79 ms 7720 KB Output is correct
49 Correct 7 ms 2644 KB Output is correct
50 Correct 11 ms 2644 KB Output is correct
51 Correct 10 ms 2644 KB Output is correct
52 Correct 10 ms 2572 KB Output is correct
53 Correct 233 ms 58764 KB Output is correct
54 Correct 230 ms 60520 KB Output is correct
55 Correct 244 ms 62288 KB Output is correct
56 Correct 261 ms 62044 KB Output is correct
57 Correct 310 ms 61684 KB Output is correct
58 Correct 299 ms 61716 KB Output is correct
59 Correct 278 ms 61660 KB Output is correct
60 Correct 279 ms 61812 KB Output is correct
61 Correct 128 ms 55096 KB Output is correct
62 Correct 253 ms 60108 KB Output is correct
63 Correct 225 ms 58444 KB Output is correct
64 Correct 289 ms 56736 KB Output is correct