oj.uz

Submission #401554

# Submission time Handle Problem Language Result Execution time Memory
401554 2021-05-10T13:26:40 Z NhatMinh0208 Peru (RMI20_peru) C++17
49 / 100
 228 ms 30132 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){
    for (i=0;i<n;i++) arr[i+1]=v[i];
    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 2 ms 392 KB Output is correct
6 Correct 2 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 412 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 2 ms 392 KB Output is correct
6 Correct 2 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 412 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 174 ms 14904 KB Output is correct
16 Correct 172 ms 14980 KB Output is correct
17 Correct 196 ms 15004 KB Output is correct
18 Correct 170 ms 14876 KB Output is correct
19 Correct 172 ms 14820 KB Output is correct
20 Correct 187 ms 15024 KB Output is correct
21 Correct 177 ms 15012 KB Output is correct
22 Correct 173 ms 15040 KB Output is correct
23 Correct 177 ms 15088 KB Output is correct
24 Correct 178 ms 15048 KB Output is correct
25 Correct 186 ms 15064 KB Output is correct
26 Correct 164 ms 14832 KB Output is correct
27 Correct 173 ms 14916 KB Output is correct
28 Correct 172 ms 14920 KB Output is correct
29 Correct 164 ms 14900 KB Output is correct
30 Correct 175 ms 14920 KB Output is correct
31 Correct 173 ms 14948 KB Output is correct
32 Correct 183 ms 14960 KB Output is correct
33 Correct 228 ms 14976 KB Output is correct

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 174 ms 14904 KB Output is correct
2 Correct 172 ms 14980 KB Output is correct
3 Correct 196 ms 15004 KB Output is correct
4 Correct 170 ms 14876 KB Output is correct
5 Correct 172 ms 14820 KB Output is correct
6 Correct 187 ms 15024 KB Output is correct
7 Correct 177 ms 15012 KB Output is correct
8 Correct 173 ms 15040 KB Output is correct
9 Correct 177 ms 15088 KB Output is correct
10 Correct 178 ms 15048 KB Output is correct
11 Correct 186 ms 15064 KB Output is correct
12 Correct 164 ms 14832 KB Output is correct
13 Correct 173 ms 14916 KB Output is correct
14 Correct 172 ms 14920 KB Output is correct
15 Correct 164 ms 14900 KB Output is correct
16 Correct 175 ms 14920 KB Output is correct
17 Correct 173 ms 14948 KB Output is correct
18 Correct 183 ms 14960 KB Output is correct
19 Correct 228 ms 14976 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 2 ms 392 KB Output is correct
25 Correct 2 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 412 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 47 ms 30132 KB Execution killed with signal 11
35 Halted 0 ms 0 KB -