oj.uz

Submission #761194

# Submission time Handle Problem Language Result Execution time Memory
761194 2023-06-19T10:53:27 Z ksu2009en Peru (RMI20_peru) C++17
49 / 100
 224 ms 262144 KB 
#include "peru.h"
#include <iostream>
#include <vector>
#include <string>
#include <math.h>
#include <cmath>
#include <iomanip>
#include <cstdio>
#include <algorithm>
#include <numeric>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <deque>
#include <bitset>
#include <cstring>
#include <unordered_map>

using namespace std;
typedef long long ll;

ll const mod = (ll)(1e9 + 7);

struct one{
    ll res, min_dp, mx, mod;
};

one t[4 * 2500000 + 7];

void build(ll v, ll l, ll r){
    if(l == r){
        t[v].res = t[v].min_dp = t[v].mx = (ll)(2500000) * (ll)(2000000000) + 1;
        t[v].mod = -1;
        return;
    }
    ll mid = (l + r) >> 1;
    
    build(2 * v, l, mid);
    build(2 * v + 1, mid + 1, r);
    
    t[v].res = t[v].min_dp = t[v].mx = (ll)(2500000) * (ll)(2000000000) + 1;
    t[v].mod = -1;
}

void push(ll v, ll l, ll r){
    if(l != r && t[v].mod != -1){
        //cout << "  pushing " << l << ' ' << r << ' ' << t[v].mod << endl;
        t[2 * v].mod = max(t[2 * v].mod, t[v].mod);
        t[2 * v].res = t[2 * v].min_dp + t[2 * v].mod;
        
        //cout << " left son val :::::::: " << l << ' ' << r << ' ' << t[2 * v].res << endl;
        
        t[2 * v + 1].mod = max(t[2 * v + 1].mod, t[v].mod);
        t[2 * v + 1].res = t[2 * v + 1].min_dp + t[2 * v + 1].mod;
        
        t[v].mod = -1;
    }
}

void update_dp(ll v, ll l, ll r, ll pos, ll val, ll mx){
    if(l == r){
        t[v].min_dp = val;
        t[v].res = val + mx;
        t[v].mod = mx;
        
        //cout << "    update_dp " << l << ' ' << r << ' ' << t[v].res << ' ' << t[v].min_dp << endl;
        
        return;
    }
    
    ll mid = (l + r) >> 1;
    push(v, l, r);
    
    if(pos <= mid)
        update_dp(2 * v, l, mid, pos, val, mx);
    else
        update_dp(2 * v + 1, mid + 1, r, pos, val, mx);
    
    t[v].res = min(t[2 * v].res, t[2 * v + 1].res);
    //cout << l << ' ' << mid << ' ' << t[2 * v].res << endl;
    //cout << "    update_dp " << l << ' ' << r << ' ' << t[v].res  << ' ' << pos << ' ' << val << ' ' << mx << endl;

    t[v].min_dp = min(t[2 * v].min_dp, t[2 * v + 1].min_dp);
}

void update_mx(ll v, ll l, ll r, ll ql, ll qr, ll mx){
    if(r < ql || qr < l)
        return;
    
    if(ql <= l && r <= qr){
        t[v].mod = max(t[v].mod, mx);
        t[v].res = t[v].min_dp + t[v].mod;
      //  cout << l << ' ' << r << ' ' << t[v].mod << endl;

        return;
    }
    
    ll mid = (l + r) >> 1;
    push(v, l, r);
    update_mx(2 * v, l, mid, ql, qr, mx);
    update_mx(2 * v + 1, mid + 1, r, ql, qr, mx);
    
    t[v].res = min(t[2 * v].res, t[2 * v + 1].res);
    t[v].min_dp = min(t[2 * v].min_dp, t[2 * v + 1].min_dp);
}

ll get_min(ll v, ll l, ll r, ll ql, ll qr){
    if(r < ql || qr < l)
        return (ll)(2500000) * (ll)(2000000000) + 1;
    
    if(ql <= l && r <= qr){
      //  cout << "geting getting getting getiing getting " << l << ' ' << r << ' ' << t[v].res << endl;
        return t[v].res;
    }
    
    ll mid = (l + r) >> 1;
    push(v, l, r);
    
    return min(get_min(2 * v, l, mid, ql, qr), get_min(2 * v + 1, mid + 1, r, ql, qr));
}

int solve(int n, int k, int* b){
    vector<ll>dp(n + 1), a(n + 1);
    for(int i = 0; i < n; i++)
        a[i + 1] = b[i];
    
    build(1, 1, n);
    
    dp[1] = a[1];
    update_dp(1, 1, n, 1, 0, a[1]);
    
    for(int i = 2; i <= n; i++){
        dp[i] = (dp[i - 1] + (ll)a[i]);
        update_dp(1, 1, n, i, dp[i - 1], a[i]);
        
        
        ll mx = 0;
        ll last = 1;
        
        for(int j = i - 1; j >= max(0, i - k + 1); j--){
            mx = max(mx, (ll)a[j]);
            if(mx > a[i]){
                last = j + 1;
                break;
            }
        }
       // cout << "LAST " << last << endl;
        if(last <= i - 1)
            update_mx(1, 1, n, last, i - 1, a[i]);
        
       // cout << get_min(1, 1, n, i - k + 1, i) << endl;

        dp[i] = get_min(1, 1, n, i - k + 1, i);
    }
    
    
    ll p = 1;
    
    ll ans = 0;
    for(int i = n; i >= 1; i--){
        dp[i] %= mod;
        
        ans = (ans + (p * dp[i]) % mod) % mod;
        
        p = (p * 23) % mod;
    }
    
    
    return ans;
}

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 182 ms 41052 KB Output is correct
16 Correct 168 ms 41012 KB Output is correct
17 Correct 163 ms 41108 KB Output is correct
18 Correct 216 ms 41104 KB Output is correct
19 Correct 224 ms 41172 KB Output is correct
20 Correct 219 ms 41012 KB Output is correct
21 Correct 170 ms 41100 KB Output is correct
22 Correct 174 ms 41100 KB Output is correct
23 Correct 202 ms 41044 KB Output is correct
24 Correct 173 ms 41104 KB Output is correct
25 Correct 187 ms 41104 KB Output is correct
26 Correct 166 ms 41104 KB Output is correct
27 Correct 172 ms 41100 KB Output is correct
28 Correct 173 ms 41104 KB Output is correct
29 Correct 194 ms 41108 KB Output is correct
30 Correct 168 ms 41032 KB Output is correct
31 Correct 161 ms 41044 KB Output is correct
32 Correct 174 ms 41100 KB Output is correct
33 Correct 197 ms 41044 KB Output is correct

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 182 ms 41052 KB Output is correct
2 Correct 168 ms 41012 KB Output is correct
3 Correct 163 ms 41108 KB Output is correct
4 Correct 216 ms 41104 KB Output is correct
5 Correct 224 ms 41172 KB Output is correct
6 Correct 219 ms 41012 KB Output is correct
7 Correct 170 ms 41100 KB Output is correct
8 Correct 174 ms 41100 KB Output is correct
9 Correct 202 ms 41044 KB Output is correct
10 Correct 173 ms 41104 KB Output is correct
11 Correct 187 ms 41104 KB Output is correct
12 Correct 166 ms 41104 KB Output is correct
13 Correct 172 ms 41100 KB Output is correct
14 Correct 173 ms 41104 KB Output is correct
15 Correct 194 ms 41108 KB Output is correct
16 Correct 168 ms 41032 KB Output is correct
17 Correct 161 ms 41044 KB Output is correct
18 Correct 174 ms 41100 KB Output is correct
19 Correct 197 ms 41044 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 142 ms 262144 KB Execution killed with signal 9
35 Halted 0 ms 0 KB -