oj.uz

Submission #442149

# Submission time Handle Problem Language Result Execution time Memory
442149 2021-07-07T08:21:11 Z Vladth11 Peru (RMI20_peru) C++14
100 / 100
 222 ms 90084 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
#include "peru.h"
 
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <long double, pii> muchie;
typedef tree <ll, null_type, less_equal <ll>, rb_tree_tag, tree_order_statistics_node_update> OST;
 
const ll NMAX = 2500002;
const ll INF = (1LL << 60);
const ll HALF = (1LL << 59);
const ll MOD = 1000000007;
const ll BLOCK = 318;
const ll base = 31;
const ll nr_of_bits = 21;
const ll LIMIT = 1000;
 
ll dp[NMAX];
ll a[NMAX];
ll put[NMAX];
ll r[NMAX];
 
class MyDeque{
    queue <ll> q;
    ll stiva[NMAX];
    ll vf;
    ll minim[NMAX];
    deque <pii> d;
public:
    void insertDeque(pii x){
        while(d.size() && d.back().first >= x.first){
            d.pop_back();
        }
        d.push_back(x);
    }
    void eraseDeque(ll x){
        if(d.size() && d.front().second == x)
            d.pop_front();
    }
    void update(ll lower_limit){
        while(q.size() && q.front() < lower_limit){
            eraseDeque(q.front());
            q.pop();
        }
    }
    void insertL(ll x){
        ll sum = -1;
        if(q.size()){
            sum = a[x] + dp[q.back()];
        }
        if(sum != -1)
            insertDeque({sum, q.back()});
        vf = 0;
        q.push(x);
    }
    void insertR(ll x){
        ll sum = -1;
        while(vf && a[stiva[vf]] <= a[x]){
            vf--;
        }
        if(vf){
            sum = a[x] + dp[stiva[vf]];
        }
        stiva[++vf] = x;
        minim[0] = INF;
        if(sum != -1)
            minim[vf] = min(minim[vf - 1], sum);
        else
            minim[vf] = INF;
    }
    void insert(ll x){
        ///pot verifica chestii aici
        if(r[x]){
            insertR(x);
        }else{
            insertL(x);
        }
    }
    ll size(){
        return q.size() + vf;
    }
    ll front(){
        if(q.size())
            return q.front();
        return stiva[1];
    }
    ll best(){
        ll sol = INF;
        if(vf)
            sol = min(sol, minim[vf]);
        if(d.size())
            sol = min(sol, d.front().first);
        if(q.size() && vf){
            sol = min(sol, dp[q.back()] + a[stiva[1]]);
        }
        return sol; ///mai am de adaugat
    }
 
}dq;
 
int solve(int n, int k, int* v) {
    ll sol = 0;
    for(ll i = 0; i < n; i++)
        a[i + 1] = v[i];
    put[0] = 1;
    for(ll i = 1; i <= n; i++) {
        put[i] = put[i - 1] * 23;
        put[i] %= MOD;
    }
    deque <ll> sim;
    for(ll i = 1; i <= n; i++){
        while(sim.size() && sim.front() < i - k + 1)
            sim.pop_front();
        while(sim.size() && a[sim.back()] <= a[i]){
            r[sim.back()] = 1;
            sim.pop_back();
        }
        sim.push_back(i);
    }
    for(ll i = 1; i <= n; i++) {
        dq.update(i - k + 1);
        dq.insert(i);
        dp[i] = INF;
        if(dq.size())
            dp[i] = dp[max(0LL, i - k)] + a[dq.front()]; /// i - k il prelucram separat
        dp[i] = min(dp[i], dq.best());
       // debug(dp[i]);
        sol += ((dp[i] % MOD) * put[n - i]) % MOD;
        sol %= MOD;
    }
    return sol;
}

Subtask #1
18.0 / 18.0

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

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 24 ms 14508 KB Output is correct
16 Correct 24 ms 14484 KB Output is correct
17 Correct 25 ms 14468 KB Output is correct
18 Correct 40 ms 14544 KB Output is correct
19 Correct 31 ms 14504 KB Output is correct
20 Correct 32 ms 14540 KB Output is correct
21 Correct 25 ms 14548 KB Output is correct
22 Correct 26 ms 14420 KB Output is correct
23 Correct 25 ms 14304 KB Output is correct
24 Correct 37 ms 14200 KB Output is correct
25 Correct 28 ms 14164 KB Output is correct
26 Correct 23 ms 14476 KB Output is correct
27 Correct 22 ms 14532 KB Output is correct
28 Correct 25 ms 14516 KB Output is correct
29 Correct 24 ms 14668 KB Output is correct
30 Correct 26 ms 14480 KB Output is correct
31 Correct 27 ms 14532 KB Output is correct
32 Correct 25 ms 14520 KB Output is correct
33 Correct 28 ms 14404 KB Output is correct

Subtask #3
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 14508 KB Output is correct
2 Correct 24 ms 14484 KB Output is correct
3 Correct 25 ms 14468 KB Output is correct
4 Correct 40 ms 14544 KB Output is correct
5 Correct 31 ms 14504 KB Output is correct
6 Correct 32 ms 14540 KB Output is correct
7 Correct 25 ms 14548 KB Output is correct
8 Correct 26 ms 14420 KB Output is correct
9 Correct 25 ms 14304 KB Output is correct
10 Correct 37 ms 14200 KB Output is correct
11 Correct 28 ms 14164 KB Output is correct
12 Correct 23 ms 14476 KB Output is correct
13 Correct 22 ms 14532 KB Output is correct
14 Correct 25 ms 14516 KB Output is correct
15 Correct 24 ms 14668 KB Output is correct
16 Correct 26 ms 14480 KB Output is correct
17 Correct 27 ms 14532 KB Output is correct
18 Correct 25 ms 14520 KB Output is correct
19 Correct 28 ms 14404 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 149 ms 88404 KB Output is correct
35 Correct 154 ms 88556 KB Output is correct
36 Correct 222 ms 88564 KB Output is correct
37 Correct 153 ms 88396 KB Output is correct
38 Correct 170 ms 88480 KB Output is correct
39 Correct 152 ms 88524 KB Output is correct
40 Correct 153 ms 88268 KB Output is correct
41 Correct 161 ms 88340 KB Output is correct
42 Correct 143 ms 88348 KB Output is correct
43 Correct 84 ms 35768 KB Output is correct
44 Correct 113 ms 53208 KB Output is correct
45 Correct 115 ms 53224 KB Output is correct
46 Correct 119 ms 53424 KB Output is correct
47 Correct 160 ms 88536 KB Output is correct
48 Correct 168 ms 88524 KB Output is correct
49 Correct 191 ms 88936 KB Output is correct
50 Correct 161 ms 89096 KB Output is correct
51 Correct 183 ms 89048 KB Output is correct
52 Correct 153 ms 90084 KB Output is correct
53 Correct 146 ms 89560 KB Output is correct
54 Correct 164 ms 88316 KB Output is correct
55 Correct 150 ms 88560 KB Output is correct
56 Correct 150 ms 88468 KB Output is correct
57 Correct 151 ms 88556 KB Output is correct
58 Correct 148 ms 88568 KB Output is correct
59 Correct 143 ms 88500 KB Output is correct
60 Correct 140 ms 88476 KB Output is correct
61 Correct 173 ms 87372 KB Output is correct
62 Correct 151 ms 88140 KB Output is correct
63 Correct 155 ms 87628 KB Output is correct