oj.uz

Submission #320128

# Submission time Handle Problem Language Result Execution time Memory
320128 2020-11-07T16:35:42 Z NhatMinh0208 Safety (NOI18_safety) C++14
100 / 100
 95 ms 8708 KB 
/*
khoi orz, go check out his algo
-normie-
Tested with library-checker.
*/
#include <bits/stdc++.h>
using namespace std;
#define FILE_IN "birds.inp"
#define FILE_OUT "birds.out"
#define prev prv
#define ofile freopen(FILE_IN,"r",stdin);freopen(FILE_OUT,"w",stdout)
#define fio ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define nfio cin.tie(0);cout.tie(0)
#define max(x,y) (((x)>(y))?(x):(y))
#define min(x,y) (((x)<(y))?(x):(y))
#define ord(a,b,c) ((a>=b)and(b>=c))
#define MOD (ll(1000000007))
#define MAX 300001
#define mag 320
#define p1 first
#define p2 second.first
#define p3 second.second
#define fi first
#define se second
#define pow2(x) (ll(1)<<x)
#define pll pair<ll,ll>
#define plll pair<ll,pll>
#define For(i,__,___) for(int i=__;i<=___;i++)
#define Rep(i,__,___) for(int i=__;i>=___;i--)
#define ordered_set tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>

#define bi BigInt
typedef long long ll;
#define pi 3.1415926535897
//------START-----------//
struct slope_func_left 
{
	public:
	ll a,b,shft;
	priority_queue<ll> bp;
	slope_func_left(ll aa=0, ll bb=0, vector<ll> v={})
	{
		a=aa;
		b=bb;
		shft=0;
		for (ll g : v) bp.push(g);
	}
	void reset (ll aa, ll bb, vector<ll> v)
	{
	    a=aa;
	    b=bb;
	    shft=0;
		for (ll g : v) bp.push(g);
	}
	void slope_add (ll aa, ll bb, vector<ll> v)
	{
		a+=aa;
		b+=bb+aa*shft;
		for (ll g : v) bp.push(g-shft);
	}	
	void add_shift(ll a)
	{
	    shft+=a;
	}
	void slope_min()
	{
		while(a+bp.size()>0) bp.pop();
	}
};

struct slope_func_right
{
	public:
	ll a,b,shft;
	priority_queue<ll, vector<ll>,greater<ll>> bp;
	slope_func_right(ll aa=0, ll bb=0, vector<ll> v={})
	{
		a=aa;
		b=bb;
		shft=0;
		for (ll g : v) bp.push(g);
	}
	void reset (ll aa, ll bb, vector<ll> v)
	{
	    a=aa;
	    b=bb;
	    shft=0;
		for (ll g : v) bp.push(g);
	}
	void slope_add (ll aa, ll bb, vector<ll> v)
	{
		a+=aa;
		b+=bb-aa*shft;
		for (ll g : v) bp.push(g-shft);
	}	
	void add_shift(ll aa)
	{
	    shft+=aa;
	}
	void slope_min()
	{
		while(a+bp.size()>0) bp.pop();
	}
};
ll n,m,i,j,k,u,v,t,t1,a,b,l,r,ress=0;
ll al[200001],ar[200001];
slope_func_left le; slope_func_right ri;
//------END-----------//
int main()
{
//    ofile;
    fio;
    cin>>n>>m;
    for (i=1;i<=n;i++) cin>>al[i],ar[i]=al[i]+m;
    le.reset(0,0,{});
    ri.reset(0,0,{});
    for (i=1;i<=n;i++)
    {
        if (i>1)
        {
        le.add_shift(-(ar[i]-al[i]));
        ri.add_shift((ar[i-1]-al[i-1]));
        }
    //    if (i>1) cout<<le.bp.top()<<endl;
        if ((le.bp.size()==0)or(al[i]<le.bp.top()+le.shft))
        {
        le.slope_add(-1,al[i],{al[i],al[i]});
        ll bruh=le.bp.top()+le.shft;
     //   cout<<"left to right "<<bruh<<endl;
        le.bp.pop();
        ri.slope_add(0,0,{bruh});
        }
        else
        {
            ri.slope_add(0,0,{al[i],al[i]});
            ll bruh=ri.bp.top()+ri.shft;
    //    cout<<"right to left "<<bruh<<endl;
            ri.bp.pop();
            le.slope_add(-1,al[i],{bruh});
        }
    }
   // cout<<le.a<<' '<<le.b<<endl;
    ll res=le.b;
    for (i=0;i<abs(le.a);i++)
    {
        ll x=le.bp.top()+le.shft;
        le.bp.pop();
        ll y;
        if (i==abs(le.a)-1) y=le.shft; else y=le.bp.top()+le.shft;
  //      cout<<i<<' '<<x<<' '<<y<<endl;
        res-=(i+1)*(x-y);
    }
    cout<<res;
}
// 2 5
// -2 2

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 6900 KB Output is correct
2 Correct 88 ms 8380 KB Output is correct
3 Correct 91 ms 8508 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 3 ms 748 KB Output is correct
29 Correct 3 ms 620 KB Output is correct
30 Correct 2 ms 620 KB Output is correct
31 Correct 3 ms 492 KB Output is correct
32 Correct 2 ms 748 KB Output is correct
33 Correct 4 ms 620 KB Output is correct
34 Correct 2 ms 620 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 3 ms 748 KB Output is correct
35 Correct 3 ms 620 KB Output is correct
36 Correct 2 ms 620 KB Output is correct
37 Correct 3 ms 492 KB Output is correct
38 Correct 2 ms 748 KB Output is correct
39 Correct 4 ms 620 KB Output is correct
40 Correct 2 ms 620 KB Output is correct
41 Correct 3 ms 620 KB Output is correct
42 Correct 2 ms 492 KB Output is correct
43 Correct 2 ms 620 KB Output is correct
44 Correct 3 ms 620 KB Output is correct
45 Correct 2 ms 620 KB Output is correct
46 Correct 3 ms 620 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 61 ms 6900 KB Output is correct
20 Correct 88 ms 8380 KB Output is correct
21 Correct 91 ms 8508 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 3 ms 748 KB Output is correct
38 Correct 3 ms 620 KB Output is correct
39 Correct 2 ms 620 KB Output is correct
40 Correct 3 ms 492 KB Output is correct
41 Correct 2 ms 748 KB Output is correct
42 Correct 4 ms 620 KB Output is correct
43 Correct 2 ms 620 KB Output is correct
44 Correct 3 ms 620 KB Output is correct
45 Correct 2 ms 492 KB Output is correct
46 Correct 2 ms 620 KB Output is correct
47 Correct 3 ms 620 KB Output is correct
48 Correct 2 ms 620 KB Output is correct
49 Correct 3 ms 620 KB Output is correct
50 Correct 95 ms 8708 KB Output is correct
51 Correct 81 ms 7884 KB Output is correct
52 Correct 64 ms 7756 KB Output is correct
53 Correct 75 ms 8400 KB Output is correct
54 Correct 80 ms 8332 KB Output is correct
55 Correct 64 ms 7940 KB Output is correct
56 Correct 70 ms 8264 KB Output is correct
57 Correct 67 ms 7760 KB Output is correct
58 Correct 56 ms 6860 KB Output is correct
59 Correct 78 ms 8128 KB Output is correct