oj.uz

Submission #401548

# Submission time Handle Problem Language Result Execution time Memory
401548 2021-05-10T13:24:34 Z NhatMinh0208 Peru (RMI20_peru) C++17
49 / 100
 191 ms 20456 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[400001];
int arr[400001];
struct seg
{
    ll val[1600001];
    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:23: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
   23 | #pragma comment(linker, "/stack:200000000")
      | 
peru.cpp: In function 'int solve(int, int, int*)':
peru.cpp:165:14: 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]
  165 |         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 164 ms 14888 KB Output is correct
16 Correct 173 ms 14980 KB Output is correct
17 Correct 172 ms 15172 KB Output is correct
18 Correct 160 ms 14788 KB Output is correct
19 Correct 156 ms 14872 KB Output is correct
20 Correct 183 ms 14796 KB Output is correct
21 Correct 179 ms 14924 KB Output is correct
22 Correct 172 ms 15064 KB Output is correct
23 Correct 173 ms 15048 KB Output is correct
24 Correct 191 ms 14928 KB Output is correct
25 Correct 180 ms 15112 KB Output is correct
26 Correct 172 ms 14912 KB Output is correct
27 Correct 190 ms 14932 KB Output is correct
28 Correct 177 ms 14952 KB Output is correct
29 Correct 167 ms 14900 KB Output is correct
30 Correct 166 ms 14892 KB Output is correct
31 Correct 170 ms 14880 KB Output is correct
32 Correct 179 ms 14892 KB Output is correct
33 Correct 179 ms 14924 KB Output is correct

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 164 ms 14888 KB Output is correct
2 Correct 173 ms 14980 KB Output is correct
3 Correct 172 ms 15172 KB Output is correct
4 Correct 160 ms 14788 KB Output is correct
5 Correct 156 ms 14872 KB Output is correct
6 Correct 183 ms 14796 KB Output is correct
7 Correct 179 ms 14924 KB Output is correct
8 Correct 172 ms 15064 KB Output is correct
9 Correct 173 ms 15048 KB Output is correct
10 Correct 191 ms 14928 KB Output is correct
11 Correct 180 ms 15112 KB Output is correct
12 Correct 172 ms 14912 KB Output is correct
13 Correct 190 ms 14932 KB Output is correct
14 Correct 177 ms 14952 KB Output is correct
15 Correct 167 ms 14900 KB Output is correct
16 Correct 166 ms 14892 KB Output is correct
17 Correct 170 ms 14880 KB Output is correct
18 Correct 179 ms 14892 KB Output is correct
19 Correct 179 ms 14924 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 Runtime error 45 ms 20456 KB Execution killed with signal 6
35 Halted 0 ms 0 KB -