oj.uz

Submission #173349

# Submission time Handle Problem Language Result Execution time Memory
173349 2020-01-03T19:05:06 Z DeD_TihoN Money (IZhO17_money) C++14
45 / 100
 1500 ms 193648 KB 
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ll long long
#define ld long double
#define all(a) a.begin(),a.end()
#define ull unsigned long long
#define endl '\n'
#define y1 yaumru
#define ios ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define iter vector<int>::iterator
using namespace std;
using namespace __gnu_pbds;

template<class T>
using ordered_set=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;

template<class T>
using ordered_multiset=tree<T,null_type,less_equal<T>,rb_tree_tag,tree_order_statistics_node_update>;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rnd1(chrono::steady_clock::now().time_since_epoch().count());

//find_by_order
//order_of_key

const int N=1e6+2;
const int inf=1e18+1e9;
const int mod=1e9+7;
const ld eps=1e-9;

int a[N];
int dp[N];
char t[N*34];
int l3[N*34],r3[N*34];
int all=0;
int root[N];

int vcopy(int v)
{
    ++all;
    t[all]=t[v];
    l3[all]=l3[v];
    r3[all]=r3[v];
    return all;
}

char get(int v,int l1,int r1,int l2,int r2)
{
    if (l2>r2)return 0;
    if (l1>r2 || r1<l2){
        return 0;
    }
    if (l1>=l2 && r1<=r2){
        return t[v];
    }
    int mid=(l1+r1)/2;
    return (get(l3[v],l1,mid,l2,r2)|get(r3[v],mid+1,r1,l2,r2));
}

void update(int v,int l1,int r1,int pos,int x)
{
    if (l1==r1){
        t[v]=x;
        return;
    }
    int mid=(l1+r1)/2;
    if (pos<=mid){
        l3[v]=vcopy(l3[v]);
        update(l3[v],l1,mid,pos,x);
    }
    else {
        r3[v]=vcopy(r3[v]);
        update(r3[v],mid+1,r1,pos,x);
    }
    t[v]=(t[l3[v]]|t[r3[v]]);
}

main ()
{
    ios;
    int n;
    cin>>n;
    for (int i=1;i<=n;++i){
        cin>>a[i];
    }
    root[0]=vcopy(root[0]);
    for (int i=1;i<=n;++i){
        root[i]=vcopy(root[i-1]);
        update(root[i],1,(int)1e6,a[i],1);
    }
    int ans=0;
    for (int i=n;i>=1;--i){
        int r=i-1;
        while(r>=1 && a[r]<=a[r+1]){
            bool cc=true;
            if (get(root[r-1],1,(int)1e6,a[r]+1,a[i]-1)>0){
                cc=false;
            }
            if (!cc){
                break;
            }
            --r;
        }
        i=r+1;
        ++ans;
    }
    cout<<ans<<endl;
}

Compilation message

money.cpp:32:19: warning: overflow in implicit constant conversion [-Woverflow]
 const int inf=1e18+1e9;
               ~~~~^~~~
money.cpp:83:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main ()
       ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 372 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 372 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 372 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 504 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 380 KB Output is correct
37 Correct 2 ms 508 KB Output is correct
38 Correct 2 ms 376 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 372 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 504 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 380 KB Output is correct
37 Correct 2 ms 508 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 283 ms 93064 KB Output is correct
40 Correct 484 ms 152508 KB Output is correct
41 Correct 221 ms 74488 KB Output is correct
42 Correct 219 ms 66492 KB Output is correct
43 Correct 153 ms 47144 KB Output is correct
44 Correct 611 ms 193168 KB Output is correct
45 Correct 597 ms 193144 KB Output is correct
46 Correct 589 ms 190876 KB Output is correct
47 Correct 572 ms 193232 KB Output is correct
48 Correct 568 ms 190328 KB Output is correct
49 Correct 1000 ms 192304 KB Output is correct
50 Correct 973 ms 193016 KB Output is correct
51 Correct 1020 ms 192960 KB Output is correct
52 Correct 993 ms 191824 KB Output is correct
53 Correct 1032 ms 193596 KB Output is correct
54 Correct 998 ms 193648 KB Output is correct
55 Execution timed out 1580 ms 193312 KB Time limit exceeded
56 Halted 0 ms 0 KB -