oj.uz

Submission #900537

# Submission time Handle Problem Language Result Execution time Memory
900537 2024-01-08T13:00:36 Z Cookie Peru (RMI20_peru) C++14
49 / 100
 357 ms 63556 KB 
#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define sz(a) (int)a.size()
#define ALL(v) v.begin(), v.end()
#define ALLR(v) v.rbegin(), v.rend()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#define mpp make_pair
#include<iostream>
#include "peru.h"
using namespace std;
const int mxn = 4e5 + 5;
const ll mod = 1e9 + 7, inf = 1e18;
ll a[mxn + 1];
ll dp[mxn + 1], pw[mxn + 1];
ll st[4 * mxn + 1], lz[4 * mxn + 1];

void push(int nd){
    ll &v = lz[nd];
    lz[nd << 1] += v; lz[nd << 1 | 1] += v; st[nd << 1] += v; st[nd << 1 | 1] += v;
    v = 0;
}
void upd(int nd, int l, int r, int ql, int qr, ll v){
    //if(nd == 1)cout << ql << " " << qr << " " << v << "\n";
    if(ql > r || qr < l)return;
    if(ql <= l && qr >= r){
        st[nd] += v; lz[nd] += v; return;
    }
    int mid = (l + r) >> 1;
    push(nd);
    upd(nd << 1, l, mid, ql, qr, v); upd(nd << 1 | 1, mid + 1, r, ql, qr, v);
    st[nd] = min(st[nd << 1], st[nd << 1 | 1]);
}
ll get(int nd, int l, int r, int ql, int qr){
    if(ql > r || qr < l)return(inf);
    if(ql <= l && qr >= r)return(st[nd]);
    int mid = (l + r) >> 1;
    push(nd);
    return(min(get(nd << 1, l, mid, ql, qr), get(nd << 1 | 1, mid + 1, r, ql, qr)));
}
int solve(int n, int k, int* v){
    pw[0] = 1;
    for(int i = 1; i < n; i++)pw[i] = (pw[i - 1] * 23) % mod;
    for(int i = 1; i <= n; i++)a[i] = v[i - 1];
    deque<pair<int, int>>dq;
    ll ans = 0;
    for(int i = 1; i <= n; i++){
        int last = i - 2;
        while(sz(dq) && dq.back().se <= a[i]){
            upd(1, 0, n, dq.back().fi - 1, last, a[i] - dq.back().se); last = dq.back().fi - 2; dq.pop_back();
        }

        dq.pb(mpp(last + 2, a[i]));
        upd(1, 0, n, i - 1, i - 1, a[i]);
       
        dp[i] = get(1, 0, n, max(i - k, 0), i - 1);
        upd(1, 0, n, i, i, dp[i]);
        
        ans = (ans + (dp[i] % mod) * pw[n - i]) % mod;
    }
    return(ans);
}

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 2 ms 10712 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 3 ms 10588 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 3 ms 10588 KB Output is correct
7 Correct 2 ms 10584 KB Output is correct
8 Correct 2 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 2 ms 10584 KB Output is correct
11 Correct 3 ms 10588 KB Output is correct
12 Correct 3 ms 10588 KB Output is correct
13 Correct 3 ms 10588 KB Output is correct
14 Correct 3 ms 10584 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 2 ms 10712 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 3 ms 10588 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 3 ms 10588 KB Output is correct
7 Correct 2 ms 10584 KB Output is correct
8 Correct 2 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 2 ms 10584 KB Output is correct
11 Correct 3 ms 10588 KB Output is correct
12 Correct 3 ms 10588 KB Output is correct
13 Correct 3 ms 10588 KB Output is correct
14 Correct 3 ms 10584 KB Output is correct
15 Correct 316 ms 35496 KB Output is correct
16 Correct 319 ms 35668 KB Output is correct
17 Correct 307 ms 35648 KB Output is correct
18 Correct 309 ms 35584 KB Output is correct
19 Correct 316 ms 35516 KB Output is correct
20 Correct 317 ms 35416 KB Output is correct
21 Correct 302 ms 35508 KB Output is correct
22 Correct 320 ms 35768 KB Output is correct
23 Correct 306 ms 35824 KB Output is correct
24 Correct 313 ms 35520 KB Output is correct
25 Correct 311 ms 35776 KB Output is correct
26 Correct 304 ms 35644 KB Output is correct
27 Correct 310 ms 35616 KB Output is correct
28 Correct 306 ms 35704 KB Output is correct
29 Correct 322 ms 35672 KB Output is correct
30 Correct 306 ms 35500 KB Output is correct
31 Correct 357 ms 35652 KB Output is correct
32 Correct 306 ms 35664 KB Output is correct
33 Correct 297 ms 35508 KB Output is correct

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 316 ms 35496 KB Output is correct
2 Correct 319 ms 35668 KB Output is correct
3 Correct 307 ms 35648 KB Output is correct
4 Correct 309 ms 35584 KB Output is correct
5 Correct 316 ms 35516 KB Output is correct
6 Correct 317 ms 35416 KB Output is correct
7 Correct 302 ms 35508 KB Output is correct
8 Correct 320 ms 35768 KB Output is correct
9 Correct 306 ms 35824 KB Output is correct
10 Correct 313 ms 35520 KB Output is correct
11 Correct 311 ms 35776 KB Output is correct
12 Correct 304 ms 35644 KB Output is correct
13 Correct 310 ms 35616 KB Output is correct
14 Correct 306 ms 35704 KB Output is correct
15 Correct 322 ms 35672 KB Output is correct
16 Correct 306 ms 35500 KB Output is correct
17 Correct 357 ms 35652 KB Output is correct
18 Correct 306 ms 35664 KB Output is correct
19 Correct 297 ms 35508 KB Output is correct
20 Correct 2 ms 10588 KB Output is correct
21 Correct 2 ms 10712 KB Output is correct
22 Correct 2 ms 10588 KB Output is correct
23 Correct 3 ms 10588 KB Output is correct
24 Correct 3 ms 10588 KB Output is correct
25 Correct 3 ms 10588 KB Output is correct
26 Correct 2 ms 10584 KB Output is correct
27 Correct 2 ms 10588 KB Output is correct
28 Correct 2 ms 10588 KB Output is correct
29 Correct 2 ms 10584 KB Output is correct
30 Correct 3 ms 10588 KB Output is correct
31 Correct 3 ms 10588 KB Output is correct
32 Correct 3 ms 10588 KB Output is correct
33 Correct 3 ms 10584 KB Output is correct
34 Runtime error 65 ms 63556 KB Execution killed with signal 11
35 Halted 0 ms 0 KB -