oj.uz

Submission #859780

# Submission time Handle Problem Language Result Execution time Memory
859780 2023-10-10T15:45:44 Z activedeltorre Peru (RMI20_peru) C++14
49 / 100
 600 ms 120860 KB 
#include <iostream>
#include <queue>
#include <stack>
#include "peru.h"
using namespace std;
long long lazy[8300005];
long long va[8300005];
int vec[5000005];
//ifstream cin("a.in");
//ofstream cout("a.out");
stack<pair<long long,int> >st;
void push_lazy(int node,int st,int dr)
{
    va[node]+=lazy[node];
    if(st!=dr)
    {
        lazy[node*2]+=lazy[node];
        lazy[node*2+1]+=lazy[node];
    }
    lazy[node]=0;
}
void update(int node,int st,int dr,int qst,int qdr,long long val)
{
    push_lazy(node,st,dr);
    if(st>dr || st>qdr || qst>dr || qst>qdr)
        return ;
    if(qst<=st && dr<=qdr)
    {
        lazy[node]=val;
        push_lazy(node,st,dr);
        return ;
    }
    int mij=(st+dr)/2;
    update(node*2,st,mij,qst,qdr,val);
    update(node*2+1,mij+1,dr,qst,qdr,val);
    va[node]=min(va[node*2],va[node*2+1]);
}
long long querry(int node,int st,int dr,int qst,int qdr)
{
    push_lazy(node,st,dr);
    if(st>dr || st>qdr || qst>dr || qst>qdr)
        return 1e18;
    if(qst<=st && dr<=qdr)
        return va[node];
    int mij=(st+dr)/2;
    return min(querry(node*2,st,mij,qst,qdr),querry(node*2+1,mij+1,dr,qst,qdr));
}
long long dp[2500005];
int solve(int n, int k, int* v)
{
    int a,b,i,poz;
    long long val;
    for(i=1;i<=n;i++)
    {
        vec[i]=v[i-1];
    }
    st.push({1e18,-1});
    for(i=1;i<=n;i++)
    {
        a=vec[i];
        while(a>st.top().first)
        {
            val=st.top().first;
            poz=st.top().second;
            st.pop();
            update(1,0,n,st.top().second,poz-1,-val);
        }
        update(1,0,n,st.top().second,i-1,a);
        st.push({a,i});
        dp[i]=querry(1,0,n,max(0,i-k),i-1);
        update(1,0,n,i,i,dp[i]);
    }
    int maxim=0;
    dp[n+1]=1e18;
    for(i=n;i>=n-k+1;i--)
    {
        dp[n+1]=min(dp[n+1],dp[i]+maxim);
        maxim=max(maxim,vec[i]);
    }
    dp[n+2]=1e18;
    for(i=n;i>=1;i--)
    {
        dp[i]=min(dp[i],dp[i+1]);
    }
    long long suma=0,mod=1000000007;
    for(i=1;i<=n;i++)
    {
        suma=(suma*23+dp[i])%mod;
     //   cout<<dp[i]<<" ";
    }
    return suma;
}
/*
//#include "peru.h"
using namespace std;

static int s[2500005];
static int n, k;
signed main(){
    cin>> n >> k;
    for(int i = 0; i < n; i++){
        cin>> s[i];
    }
    int ans = solve(n, k, s);
    cout<< ans <<"\n";
    return 0;
}*/

Compilation message

peru.cpp: In function 'int solve(int, int, int*)':
peru.cpp:51:11: warning: unused variable 'b' [-Wunused-variable]
   51 |     int a,b,i,poz;
      |           ^

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8540 KB Output is correct
2 Correct 2 ms 8540 KB Output is correct
3 Correct 3 ms 8540 KB Output is correct
4 Correct 2 ms 8540 KB Output is correct
5 Correct 2 ms 8540 KB Output is correct
6 Correct 3 ms 8540 KB Output is correct
7 Correct 3 ms 8540 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 3 ms 8540 KB Output is correct
10 Correct 3 ms 8540 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8540 KB Output is correct
2 Correct 2 ms 8540 KB Output is correct
3 Correct 3 ms 8540 KB Output is correct
4 Correct 2 ms 8540 KB Output is correct
5 Correct 2 ms 8540 KB Output is correct
6 Correct 3 ms 8540 KB Output is correct
7 Correct 3 ms 8540 KB Output is correct
8 Correct 2 ms 8540 KB Output is correct
9 Correct 3 ms 8540 KB Output is correct
10 Correct 3 ms 8540 KB Output is correct
11 Correct 2 ms 8540 KB Output is correct
12 Correct 2 ms 8540 KB Output is correct
13 Correct 2 ms 8540 KB Output is correct
14 Correct 2 ms 8540 KB Output is correct
15 Correct 386 ms 34624 KB Output is correct
16 Correct 393 ms 34908 KB Output is correct
17 Correct 411 ms 34744 KB Output is correct
18 Correct 399 ms 34616 KB Output is correct
19 Correct 408 ms 34896 KB Output is correct
20 Correct 436 ms 34492 KB Output is correct
21 Correct 418 ms 34640 KB Output is correct
22 Correct 390 ms 34972 KB Output is correct
23 Correct 402 ms 35192 KB Output is correct
24 Correct 386 ms 34640 KB Output is correct
25 Correct 418 ms 35140 KB Output is correct
26 Correct 392 ms 34644 KB Output is correct
27 Correct 398 ms 34644 KB Output is correct
28 Correct 396 ms 34644 KB Output is correct
29 Correct 405 ms 34644 KB Output is correct
30 Correct 393 ms 34580 KB Output is correct
31 Correct 385 ms 34556 KB Output is correct
32 Correct 417 ms 34796 KB Output is correct
33 Correct 377 ms 34640 KB Output is correct

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 386 ms 34624 KB Output is correct
2 Correct 393 ms 34908 KB Output is correct
3 Correct 411 ms 34744 KB Output is correct
4 Correct 399 ms 34616 KB Output is correct
5 Correct 408 ms 34896 KB Output is correct
6 Correct 436 ms 34492 KB Output is correct
7 Correct 418 ms 34640 KB Output is correct
8 Correct 390 ms 34972 KB Output is correct
9 Correct 402 ms 35192 KB Output is correct
10 Correct 386 ms 34640 KB Output is correct
11 Correct 418 ms 35140 KB Output is correct
12 Correct 392 ms 34644 KB Output is correct
13 Correct 398 ms 34644 KB Output is correct
14 Correct 396 ms 34644 KB Output is correct
15 Correct 405 ms 34644 KB Output is correct
16 Correct 393 ms 34580 KB Output is correct
17 Correct 385 ms 34556 KB Output is correct
18 Correct 417 ms 34796 KB Output is correct
19 Correct 377 ms 34640 KB Output is correct
20 Correct 3 ms 8540 KB Output is correct
21 Correct 2 ms 8540 KB Output is correct
22 Correct 3 ms 8540 KB Output is correct
23 Correct 2 ms 8540 KB Output is correct
24 Correct 2 ms 8540 KB Output is correct
25 Correct 3 ms 8540 KB Output is correct
26 Correct 3 ms 8540 KB Output is correct
27 Correct 2 ms 8540 KB Output is correct
28 Correct 3 ms 8540 KB Output is correct
29 Correct 3 ms 8540 KB Output is correct
30 Correct 2 ms 8540 KB Output is correct
31 Correct 2 ms 8540 KB Output is correct
32 Correct 2 ms 8540 KB Output is correct
33 Correct 2 ms 8540 KB Output is correct
34 Execution timed out 1085 ms 120860 KB Time limit exceeded
35 Halted 0 ms 0 KB -