oj.uz

Submission #148695

# Submission time Handle Problem Language Result Execution time Memory
148695 2019-09-01T04:56:37 Z 욱방켜!! (twitch.tv/wookje)(#3584, kig9981, cheetose, jh05013) Crosses on the Grid (FXCUP4_cross) C++17
100 / 100
 218 ms 8076 KB 
#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<vector>
#include<queue>
#include<bitset>
#include<string>
#include<stack>
#include<set>
#include<unordered_set>
#include<map>
#include<unordered_map>
#include<cstring>
#include<complex>
#include<cmath>
#include<iomanip>
#include<numeric>
#include<algorithm>
#include<list>
#include<functional>
#include<cassert>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a));
#define MEM_1(a) memset((a),-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<double> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int,int,int,int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const ll MOD = 1000000007;
ll POW(ll a, ll b, ll MMM = MOD) {ll ret=1; for(;b;b>>=1,a=(a*a)%MMM)if(b&1)ret=(ret*a)% MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };

int tree[524288];
void upd(int node, int S, int E, int k, int dif)
{
	tree[node] += dif;
	if (S == E)return;
	if (k <= (S + E) / 2)upd(node * 2, S, (S + E) / 2, k, dif);
	else upd(node * 2 + 1, (S + E) / 2 + 1, E, k, dif);
}
int findK(int node, int S, int E, int k)
{
	if (S == E)return S;
	if (k <= tree[node * 2+1])return findK(node * 2+1, (S+E)/2+1, E, k);
	return findK(node * 2, S,(S+E)/2, k - tree[node * 2+1]);
}
ll SelectCross (int K, Vi I, Vi O)
{
	VPi v;
	Vi vv;
	int n=I.size();
	fup(i,0,n-1,1)vv.pb(O[i]);
	sort(ALL(vv));
	vv.resize(unique(ALL(vv))-vv.begin());
	int N=vv.size();
	fup(i,0,n-1,1)
	{
		O[i]=lower_bound(ALL(vv),O[i])-vv.begin();
		v.pb(mp(I[i],O[i]));
	}
	sort(v.rbegin(),v.rend());
	fup(i,0,K-2,1)
	{
		upd(1,0,N-1,v[i].Y,1);
	}
	ll ans=0;
	fup(i,K-1,n-1,1)
	{
		upd(1,0,N-1,v[i].Y,1);
		int t=vv[findK(1,0,N-1,K)];
		ans=max(ans,1LL*v[i].X*(2*t-v[i].X));
	}
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 17 ms 1024 KB Output is correct
6 Correct 195 ms 8040 KB Output is correct
7 Correct 200 ms 8024 KB Output is correct
8 Correct 194 ms 8024 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 17 ms 1024 KB Output is correct
6 Correct 195 ms 8040 KB Output is correct
7 Correct 200 ms 8024 KB Output is correct
8 Correct 194 ms 8024 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 17 ms 1024 KB Output is correct
13 Correct 102 ms 4320 KB Output is correct
14 Correct 218 ms 8040 KB Output is correct
15 Correct 216 ms 8040 KB Output is correct
16 Correct 200 ms 8036 KB Output is correct

Subtask #3
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 17 ms 1024 KB Output is correct
6 Correct 195 ms 8040 KB Output is correct
7 Correct 200 ms 8024 KB Output is correct
8 Correct 194 ms 8024 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 17 ms 1024 KB Output is correct
13 Correct 102 ms 4320 KB Output is correct
14 Correct 218 ms 8040 KB Output is correct
15 Correct 216 ms 8040 KB Output is correct
16 Correct 200 ms 8036 KB Output is correct
17 Correct 7 ms 384 KB Output is correct
18 Correct 8 ms 384 KB Output is correct
19 Correct 18 ms 896 KB Output is correct
20 Correct 104 ms 4332 KB Output is correct
21 Correct 151 ms 6872 KB Output is correct
22 Correct 200 ms 8076 KB Output is correct
23 Correct 191 ms 7900 KB Output is correct
24 Correct 205 ms 8040 KB Output is correct
25 Correct 206 ms 8024 KB Output is correct
26 Correct 212 ms 8036 KB Output is correct