oj.uz

답안 #483724

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
483724 2021-11-01T01:28:32 Z tranxuanbach Peru (RMI20_peru) C++17
49 / 100
 600 ms 238544 KB 
#include "peru.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
 
#define endl '\n'
#define fi first
#define se second
#define For(i, l, r) for (int i = l; i < r; i++)
#define ForE(i, l, r) for (int i = l; i <= r; i++)
#define FordE(i, l, r) for (int i = l; i >= r; i--)
#define Fora(v, a) for (auto v: a)
#define bend(a) a.begin(), a.end()
#define isz(a) ((signed)a.size())
 
typedef long long ll;
typedef long double ld;
typedef pair <int, int> pii;
typedef vector <int> vi;
typedef vector <pii> vpii;
typedef vector <vi> vvi;
 
const int N = 2e6 + 5e5 + 5, M = 22, mod = 1e9 + 7;
const ll infll = (ld)1e18 + 7;
 
deque <pair <int, ll>> dq;
multiset <ll> mtsdp;
ll dp[N];
int a[N];
int sparse[M][N];

int rmq(int l, int r){
    int z = __lg(r - l + 1);
    return max(sparse[z][l], sparse[z][r - (1 << z) + 1]);
}

int convert(int n){
    int ans = 0;
    For(i, 0, n){
        ans = (ll)ans * 23 % mod;
        ans += dp[i] % mod;
        if (ans >= mod){
            ans -= mod;
        }
    }
    return ans;
}
 
int solve(int n, int k, int v[]){
    For(i, 0, n){
        a[i] = v[i];
    }
    For(i, 0, n){
        sparse[0][i] = a[i];
    }
    For(j, 1, M){
        ForE(i, 0, n - (1 << j)){
            sparse[j][i] = max(sparse[j - 1][i], sparse[j - 1][i + (1 << (j - 1))]);
        }
    }
    if (k == 1){
        For(i, 0, n){
            dp[i] = (i == 0 ? 0 : dp[i - 1]) + a[i];
        }
        return convert(n);
    }
    For(i, 0, n){
        int val = 0;
        while (!dq.empty() and a[dq.front().fi] <= a[i]){
            mtsdp.erase(mtsdp.lower_bound(dq.front().se));
            val = a[dq.front().fi];
            dq.pop_front();
        }
        if (!dq.empty()){
            mtsdp.erase(mtsdp.lower_bound(dq.front().se));
            dq.front().se -= val;
            dq.front().se += a[i];
            mtsdp.insert(dq.front().se);
        }
        dp[i] = infll;
        if (!mtsdp.empty()){
            dp[i] = *mtsdp.begin();
        }
        dp[i] = min(dp[i], rmq(max(0, i - k + 1), i) + (i >= k ? dp[i - k] : 0));
        dq.push_front(make_pair(i, dp[i]));
        mtsdp.insert(dp[i]);
        while (!dq.empty() and dq.back().fi == i - k + 1){
            mtsdp.erase(mtsdp.lower_bound(dq.back().se));
            dq.pop_back();
        }
    }
    // For(i, 0, n){
    //     cout << dp[i] << ' ';
    // } cout << endl;
    return convert(n);
}
 
 
/*
==================================================+
INPUT:                                            |
--------------------------------------------------|
 
--------------------------------------------------|
==================================================+
OUTPUT:                                           |
--------------------------------------------------|
 
--------------------------------------------------|
==================================================+
*/

Subtask #1
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 108 ms 34608 KB Output is correct
16 Correct 111 ms 34588 KB Output is correct
17 Correct 108 ms 34508 KB Output is correct
18 Correct 81 ms 34476 KB Output is correct
19 Correct 77 ms 34460 KB Output is correct
20 Correct 79 ms 34456 KB Output is correct
21 Correct 122 ms 34524 KB Output is correct
22 Correct 111 ms 34640 KB Output is correct
23 Correct 115 ms 34692 KB Output is correct
24 Correct 108 ms 34580 KB Output is correct
25 Correct 119 ms 34548 KB Output is correct
26 Correct 110 ms 34504 KB Output is correct
27 Correct 129 ms 34584 KB Output is correct
28 Correct 113 ms 34640 KB Output is correct
29 Correct 111 ms 34844 KB Output is correct
30 Correct 117 ms 34616 KB Output is correct
31 Correct 106 ms 34452 KB Output is correct
32 Correct 116 ms 34612 KB Output is correct
33 Correct 111 ms 34588 KB Output is correct

Subtask #3
0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 108 ms 34608 KB Output is correct
2 Correct 111 ms 34588 KB Output is correct
3 Correct 108 ms 34508 KB Output is correct
4 Correct 81 ms 34476 KB Output is correct
5 Correct 77 ms 34460 KB Output is correct
6 Correct 79 ms 34456 KB Output is correct
7 Correct 122 ms 34524 KB Output is correct
8 Correct 111 ms 34640 KB Output is correct
9 Correct 115 ms 34692 KB Output is correct
10 Correct 108 ms 34580 KB Output is correct
11 Correct 119 ms 34548 KB Output is correct
12 Correct 110 ms 34504 KB Output is correct
13 Correct 129 ms 34584 KB Output is correct
14 Correct 113 ms 34640 KB Output is correct
15 Correct 111 ms 34844 KB Output is correct
16 Correct 117 ms 34616 KB Output is correct
17 Correct 106 ms 34452 KB Output is correct
18 Correct 116 ms 34612 KB Output is correct
19 Correct 111 ms 34588 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Execution timed out 713 ms 238544 KB Time limit exceeded
35 Halted 0 ms 0 KB -