oj.uz

Submission #1065982

# Submission time Handle Problem Language Result Execution time Memory
1065982 2024-08-19T13:51:53 Z Rafi22 Peru (RMI20_peru) C++14
0 / 100
 0 ms 348 KB 
#include "peru.h"
#include <bits/stdc++.h>
using namespace std;

#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif

#define ll long long
#define ld long double
#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define FOR(i,l,r) for(int i=(l);i<=(r);i++)
#define ROF(i,r,l) for(int i=(r);i>=(l);i--)
int inf=2000000007;
ll infl=1000000000000000007;
ll mod=1000000007;
ll mod1=998244353;

const int N=2500007;

//ll DP1[N];

ll DP[N];
int a[N];

int solve(int n,int k,int* v)
{
	FOR(i,1,n) a[i]=v[i-1];
	a[0]=inf,a[n+1]=inf;
	deque<pair<int,int>>X;
	X.pb({inf,0});
	FOR(i,1,n+1)
	{
		int last=-1;
		while(sz(X)>0&&X.back().st<a[i]) 
		{
			if(sz(X)>0&&last!=-1&&i-1-X.back().nd<=k) DP[i-1]=min(DP[i-1],DP[X.back().nd]+last);
			last=X.back().st;
			X.pop_back();
		}
		if(sz(X)>0&&last!=-1&&i-1-X.back().nd<=k) DP[i-1]=min(DP[i-1],DP[X.back().nd]+last);
		ROF(j,i-2,1)
		{
			if(DP[j]<=DP[i-1]) break;
			DP[j]=DP[i-1];
		}
		if(sz(X)>0&&X[0].nd<=i-k) X.pop_front();
		X.pb({a[i],i});
		if(i==n+1) break;
		DP[i]=DP[max(0,i-k)]+X[0].st;
	}
	FOR(i,1,n) DP[i]%=mod;
	int h=0;
	FOR(i,1,n)
	{
		h=23*h+(int)DP[i];
		while(h>=mod) h-=mod;
	}
    return h;
}

Subtask #1
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -