oj.uz

Submission #470729

# Submission time Handle Problem Language Result Execution time Memory
470729 2021-09-05T10:13:08 Z Carmel_Ab1 Peru (RMI20_peru) C++17
0 / 100
 1 ms 340 KB 
#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//using namespace __gnu_pbds;
using namespace std;

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld, ld> pld;

//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T>
ostream &operator<<(ostream &os, vector<T> &a) {
    os << "[";
    for (int i = 0; i < ll(a.size()); i++) { os << a[i] << ((i != ll(a.size() - 1) ? " " : "")); }
    os << "]\n";
    return os;
}

#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define pb push_back
#define umap unordered_map

#include "peru.h"
//#include "grader.cpp"

ll mod=1e9+7;
int solve(int n, int k, int* S){
    vl a(n);
    for(int i=0; i<n; i++)
        a[i]=S[i];
    vl dp(n,1e18);
    ll mx=0;
    for(int i=0; i<k; i++)
        mx=max(mx,a[i]),dp[i]=mx;

    assert(n<=2000);
    for(int i=k; i<n; i++){
        ll mx=a[i];
        for(int j=i-1;0<=j && (i-j)<k; j--)
            mx=max(mx,a[j]),dp[i]=min(dp[i],(j?dp[j-1]:0)+mx);
    }

    ll ans=0;
    vl pows(n);
    pows[0]=1;
    for(int i=1; i<n; i++)
        pows[i]=(pows[i-1]*23)%mod;
    for(int i=0; i<n; i++)
        ans=(ans+dp[i]*pows[n-i-1])%mod;
    return ans;
}

Subtask #1
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -