oj.uz

Submission #401499

# Submission time Handle Problem Language Result Execution time Memory
401499 2021-05-10T12:17:35 Z tranxuanbach Peru (RMI20_peru) C++17
49 / 100
 143 ms 87064 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 = 4e5 + 5, M = 19, mod = 1e9 + 7;
const ll infll = (ld)1e18 + 7;

namespace {
    deque <pair <int, ll>> dq;
    multiset <ll> mtsdp;
    ll dp[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* a){
    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.find(dq.front().se));
            val = a[dq.front().fi];
            dq.pop_front();
        }
        if (!dq.empty()){
            mtsdp.erase(mtsdp.find(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.find(dq.back().se));
            dq.pop_back();
        }
    }
    // For(i, 0, n){
    //     cout << dp[i] << ' ';
    // } cout << endl;
    return convert(n);
}


/*
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INPUT:                                            |
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OUTPUT:                                           |
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*/

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 112 ms 32876 KB Output is correct
16 Correct 117 ms 32856 KB Output is correct
17 Correct 115 ms 32828 KB Output is correct
18 Correct 81 ms 32804 KB Output is correct
19 Correct 82 ms 32748 KB Output is correct
20 Correct 78 ms 32760 KB Output is correct
21 Correct 112 ms 32800 KB Output is correct
22 Correct 143 ms 32904 KB Output is correct
23 Correct 118 ms 32936 KB Output is correct
24 Correct 115 ms 32932 KB Output is correct
25 Correct 121 ms 32800 KB Output is correct
26 Correct 118 ms 32832 KB Output is correct
27 Correct 110 ms 32836 KB Output is correct
28 Correct 118 ms 32964 KB Output is correct
29 Correct 110 ms 33172 KB Output is correct
30 Correct 119 ms 32872 KB Output is correct
31 Correct 118 ms 32764 KB Output is correct
32 Correct 116 ms 32932 KB Output is correct
33 Correct 116 ms 32784 KB Output is correct

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 32876 KB Output is correct
2 Correct 117 ms 32856 KB Output is correct
3 Correct 115 ms 32828 KB Output is correct
4 Correct 81 ms 32804 KB Output is correct
5 Correct 82 ms 32748 KB Output is correct
6 Correct 78 ms 32760 KB Output is correct
7 Correct 112 ms 32800 KB Output is correct
8 Correct 143 ms 32904 KB Output is correct
9 Correct 118 ms 32936 KB Output is correct
10 Correct 115 ms 32932 KB Output is correct
11 Correct 121 ms 32800 KB Output is correct
12 Correct 118 ms 32832 KB Output is correct
13 Correct 110 ms 32836 KB Output is correct
14 Correct 118 ms 32964 KB Output is correct
15 Correct 110 ms 33172 KB Output is correct
16 Correct 119 ms 32872 KB Output is correct
17 Correct 118 ms 32764 KB Output is correct
18 Correct 116 ms 32932 KB Output is correct
19 Correct 116 ms 32784 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 Runtime error 126 ms 87064 KB Execution killed with signal 11
35 Halted 0 ms 0 KB -