oj.uz

Submission #401538

# Submission time Handle Problem Language Result Execution time Memory
401538 2021-05-10T13:15:32 Z NhatMinh0208 Peru (RMI20_peru) C++14
49 / 100
 600 ms 104412 KB 
/*
	Normie's Template v2.2
	Changes:
	Added modulo binpow and inverse.
*/
 
// Standard library in one include.
#include <bits/stdc++.h>
using namespace std;
 
// ordered_set library.
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set(el) tree<el,null_type,less<el>,rb_tree_tag,tree_order_statistics_node_update>
 
// AtCoder library. (Comment out these two lines if you're not submitting in AtCoder.) (Or if you want to use it in other judges, run expander.py first.)
//#include <atcoder/all>
//using namespace atcoder;
 
//Pragmas (Comment out these three lines if you're submitting in szkopul.)
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast,unroll-loops,tree-vectorize")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
 
//File I/O.
#define FILE_IN "cseq.inp"
#define FILE_OUT "cseq.out"
#define ofile freopen(FILE_IN,"r",stdin);freopen(FILE_OUT,"w",stdout)
 
//Fast I/O.
#define fio ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define nfio cin.tie(0);cout.tie(0)
#define endl "\n"
 
//Order checking.
#define ord(a,b,c) ((a>=b)and(b>=c))
 
//min/max redefines, so i dont have to resolve annoying compile errors.
#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))

// Fast min/max assigns to use with AVX.
// Requires g++ 9.2.0.
template<typename T>
__attribute__((always_inline)) void chkmin(T& a, const T& b) {
    a=(a<b)?a:b;
}

template<typename T>
__attribute__((always_inline)) void chkmax(T& a, const T& b) {
    a=(a>b)?a:b;
}
 
//Constants.
#define MOD (ll(1000000007))
#define MAX 300001
#define mag 320
const long double PI=3.14159265358979;
 
//Pairs and 3-pairs.
#define p1 first
#define p2 second.first
#define p3 second.second
#define fi first
#define se second
#define pii(element_type) pair<element_type,element_type>
#define piii(element_type) pair<element_type,pii(element_type)>
 
//Quick power of 2.
#define pow2(x) (ll(1)<<x)
 
//Short for-loops.
#define ff(i,__,___) for(int i=__;i<=___;i++)
#define rr(i,__,___) for(int i=__;i>=___;i--)
 
//Typedefs.
#define bi BigInt
typedef long long ll;
typedef long double ld;
typedef short sh;

// Binpow and stuff
ll BOW(ll a, ll x, ll p)
{
	if (!x) return 1;
	ll res=BOW(a,x/2,p);
	res*=res;
	res%=p;
	if (x%2) res*=a;
	return res%p;
}
ll INV(ll a, ll p)
{
	return BOW(a,p-2,p);
}
//---------END-------//

#include "peru.h"
vector<int> vec;
ll m,i,j,t,t1,a,b,c,d,e;
ll dp[2500001];
int arr[2500001];
struct seg
{
    ll val[10000001];
    void reset(ll c, ll l, ll r)
    {
        val[c]=1e18;
        int mid=(l+r)/2;
        if (l<r)
        {
        reset((c<<1),l,mid);
        reset((c<<1)+1,mid+1,r);
        }
    }
    void upd(ll c, ll l, ll r, ll t, ll x)
    {
        if ((l<=t)and(t<=r))
        {
            if (l==r)
            val[c]=x;
            else
            {
                ll mid=(l+r)/2;
                upd((c<<1),l,mid,t,x);
                upd((c<<1)+1,mid+1,r,t,x);
                val[c]=min(val[(c<<1)],val[(c<<1)+1]);
            }
        }
    }
    ll get(ll c, ll l, ll r, ll tl, ll tr)
    {
        if ((tl>r)or(tr<l))
            return 1e18;
        if ((tl<=l)and(tr>=r)) return val[c];
        else
        {
            int mid=(l+r)/2;
            ll a=get((c<<1),l,mid,tl,tr);
            ll b=get((c<<1)+1,mid+1,r,tl,tr);
            return min(a,b);
        }
    }
};
seg st;
int solve(int n, int k, int* v){
    memcpy(arr+1,v,4*n);
    arr[0]=2e9+7;
    dp[0]=0;
    st.reset(1,1,n);
    vec.push_back(0);
    for (i=1;i<=n;i++)
    {
        while(arr[vec[vec.size()-1]]<=arr[i]) 
        {
            st.upd(1,1,n,vec[vec.size()-1],1e18);
            vec.pop_back();
        }
        vec.push_back(i);
        st.upd(1,1,n,i,arr[i]+dp[vec[vec.size()-2]]);
        a=1e18;
        b=lower_bound(vec.begin(),vec.end(),max(1,i-k+1))-vec.begin();
        if (b<vec.size()-1)
        {
            c=st.get(1,1,n,vec[b+1],i);
            a=min(a,c);
        }
    //    for (auto g : vec) cout<<g<<' ';
     //   cout<<b<<' ';
        a=min(a,arr[vec[b]]+dp[max(0,i-k)]);
        e*=23;
        e+=a;
   //     cout<<a;
        dp[i]=a;
   //     cout<<endl;
        e%=MOD;
    }
    //cout<<endl;
    
    return e;
}

Compilation message

peru.cpp:22: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
   22 | #pragma comment(linker, "/stack:200000000")
      | 
peru.cpp: In function 'int solve(int, int, int*)':
peru.cpp:164:14: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  164 |         if (b<vec.size()-1)
      |             ~^~~~~~~~~~~~~

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 191 ms 14896 KB Output is correct
16 Correct 194 ms 15060 KB Output is correct
17 Correct 182 ms 15004 KB Output is correct
18 Correct 177 ms 14836 KB Output is correct
19 Correct 172 ms 14792 KB Output is correct
20 Correct 165 ms 14912 KB Output is correct
21 Correct 166 ms 14924 KB Output is correct
22 Correct 169 ms 15104 KB Output is correct
23 Correct 184 ms 15096 KB Output is correct
24 Correct 179 ms 14936 KB Output is correct
25 Correct 171 ms 15112 KB Output is correct
26 Correct 174 ms 14916 KB Output is correct
27 Correct 169 ms 14848 KB Output is correct
28 Correct 173 ms 14940 KB Output is correct
29 Correct 160 ms 14956 KB Output is correct
30 Correct 177 ms 14968 KB Output is correct
31 Correct 173 ms 14856 KB Output is correct
32 Correct 167 ms 14992 KB Output is correct
33 Correct 191 ms 14952 KB Output is correct

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 14896 KB Output is correct
2 Correct 194 ms 15060 KB Output is correct
3 Correct 182 ms 15004 KB Output is correct
4 Correct 177 ms 14836 KB Output is correct
5 Correct 172 ms 14792 KB Output is correct
6 Correct 165 ms 14912 KB Output is correct
7 Correct 166 ms 14924 KB Output is correct
8 Correct 169 ms 15104 KB Output is correct
9 Correct 184 ms 15096 KB Output is correct
10 Correct 179 ms 14936 KB Output is correct
11 Correct 171 ms 15112 KB Output is correct
12 Correct 174 ms 14916 KB Output is correct
13 Correct 169 ms 14848 KB Output is correct
14 Correct 173 ms 14940 KB Output is correct
15 Correct 160 ms 14956 KB Output is correct
16 Correct 177 ms 14968 KB Output is correct
17 Correct 173 ms 14856 KB Output is correct
18 Correct 167 ms 14992 KB Output is correct
19 Correct 191 ms 14952 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Execution timed out 1096 ms 104412 KB Time limit exceeded
35 Halted 0 ms 0 KB -