oj.uz

답안 #109556

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
109556 2019-05-07T04:58:05 Z aer0park 조화행렬 (KOI18_matrix) C++14
29 / 100
 499 ms 21720 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

struct el{
    el(ll _x,ll _y,ll _z):x(_x),y(_y),z(_z) { }
    ll x,y,z;
};

bool cmp(el a,el b)
{
   	return a.x<b.x;
}
ll m,n,ar[4][200005],pw[3][200014],anw;
vector<ll> arr[4];
vector<el> q;

ll sum(ll a,ll b)
{
	ll ret=-1;
	while(a)
	{
		ret=max(pw[b][a],ret);
		a-=(a&-a);
	}
	return ret;
}

void upd(ll a,ll b,ll x)
{
	while(a<=n)
	{
		pw[b][a]=max(x,pw[b][a]);
		a+=(a&-a);
	}
}

int main()
{
    //ios::sync_with_stdio(false);
    //cin.tie(NULL);
    cin>>m>>n;
    for(int j=0;j<m;j++)
        for(int i=1;i<=n;i++)
        {
            cin>>ar[j+1][i];
            arr[j].push_back(ar[j+1][i]);
        }
    if(m==2)
        for(int i=0;i<n;i++)
            arr[2].push_back(arr[1][i]);
    for(int j=0;j<3;j++)
        sort(arr[j].begin(),arr[j].end());
    for(int j=0;j<3;j++)
        for(int i=0;i<n;i++)
            ar[j+1][i+1]=lower_bound(arr[j].begin(),arr[j].end(),ar[j+1][i+1])-arr[j].begin()+1;
    for(int i=1;i<=n;i++)
        q.push_back(el(ar[1][i],ar[2][i],ar[3][i]));
    sort(q.begin(),q.end(),cmp);
	for(int i=0;i<n;i++)
	{
		ll a=min(sum(q[i].y,0),sum(q[i].z,1))+1;
		anw=max(anw,a);
		upd(q[i].y,0,a),upd(q[i].z,1,a);
	}
	cout<<anw;
    return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 1728 KB Output is correct
2 Correct 18 ms 1600 KB Output is correct
3 Correct 21 ms 1524 KB Output is correct
4 Correct 18 ms 1532 KB Output is correct
5 Correct 19 ms 1592 KB Output is correct
6 Correct 18 ms 1600 KB Output is correct
7 Correct 24 ms 1592 KB Output is correct

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 37 ms 1672 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 1728 KB Output is correct
2 Correct 18 ms 1600 KB Output is correct
3 Correct 21 ms 1524 KB Output is correct
4 Correct 18 ms 1532 KB Output is correct
5 Correct 19 ms 1592 KB Output is correct
6 Correct 18 ms 1600 KB Output is correct
7 Correct 24 ms 1592 KB Output is correct
8 Correct 449 ms 21616 KB Output is correct
9 Correct 368 ms 21584 KB Output is correct
10 Correct 377 ms 21580 KB Output is correct
11 Correct 379 ms 21612 KB Output is correct
12 Correct 499 ms 21720 KB Output is correct
13 Correct 394 ms 21556 KB Output is correct
14 Correct 382 ms 21484 KB Output is correct
15 Correct 367 ms 21452 KB Output is correct
16 Correct 396 ms 21528 KB Output is correct
17 Correct 334 ms 21452 KB Output is correct
18 Correct 356 ms 21452 KB Output is correct
19 Correct 363 ms 21456 KB Output is correct
20 Correct 371 ms 21584 KB Output is correct

Subtask #4
0 / 62.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 37 ms 1672 KB Output isn't correct
2 Halted 0 ms 0 KB -