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답안 #330634

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
330634 2020-11-26T02:36:05 Z YJU 유괴 2 (JOI17_abduction2) C++14
100 / 100
 3562 ms 474072 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=5e4+5;
const ll K=350;
const ld pi=3.14159265359;
const ll INF=(1LL<<40);
const ll lgn=18;
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()

ll ad[lgn+1][N],au[lgn+1][N],bl[lgn+1][N],br[lgn+1][N];
ll a[N],b[N],n,m,q;
map<ll,map<ll,map<ll,ll> > > dp;

ll f(ll y,ll x,ll dr){
	if(dp[y][x].find(dr)!=dp[y][x].end()){return dp[y][x][dr];}
	
	
	if(dr==0){
		ll Y=y;
		for(int i=lgn;i>=0;i--){
			if(Y>(1LL<<i)&&au[i][Y]<b[x])Y-=(1LL<<i);
		}
		Y--;
		if(Y==0)return y-Y-1;
		if(a[Y]<b[x])return y-Y;
		return dp[y][x][dr]=y-Y+max(f(Y,x,1),f(Y,x,3));
	}else if(dr==1){
		ll X=x;
		for(int i=lgn;i>=0;i--){
			if(X>(1LL<<i)&&bl[i][X]<a[y])X-=(1LL<<i);
		}
		X--;
		if(X==0)return x-X-1;
		if(b[X]<a[y])return x-X;
		return dp[y][x][dr]=x-X+max(f(y,X,0),f(y,X,2));
	}else if(dr==2){
		ll Y=y;
		for(int i=lgn;i>=0;i--){
			if(Y+(1LL<<i)<=n&&ad[i][Y]<b[x])Y+=(1LL<<i);
		}
		Y++;
		if(Y==n+1)return Y-y-1;
		if(a[Y]<b[x])return Y-y;
		return dp[y][x][dr]=Y-y+max(f(Y,x,1),f(Y,x,3));
	}else if(dr==3){
		ll X=x;
		for(int i=lgn;i>=0;i--){
			if(X+(1LL<<i)<=m&&br[i][X]<a[y])X+=(1LL<<i);
		}
		X++;
		if(X==m+1)return X-x-1;
		if(b[X]<a[y])return X-x;
		return dp[y][x][dr]=X-x+max(f(y,X,0),f(y,X,2));
	}
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>n>>m>>q;
	REP1(i,n)cin>>a[i];
	REP1(i,m)cin>>b[i];
	REP1(i,n)au[0][i]=a[i-1],ad[0][i]=a[i+1];
	REP1(i,m)br[0][i]=b[i+1],bl[0][i]=b[i-1];
	for(int i=0;i<lgn;i++){
		REP1(j,n){
			au[i+1][j]=max(au[i][j],au[i][max(2LL,j-(1LL<<i))]);
			ad[i+1][j]=max(ad[i][j],ad[i][min(n-1,j+(1LL<<i))]);
		}
		REP1(j,m){
			br[i+1][j]=max(br[i][j],br[i][min(m-1,j+(1LL<<i))]);
			bl[i+1][j]=max(bl[i][j],bl[i][max(2LL,j-(1LL<<i))]);
		}
	}
	ll tmpa,tmpb;
	while(q--){
		cin>>tmpa>>tmpb;
		cout<<max(max(f(tmpa,tmpb,0),f(tmpa,tmpb,1)),max(f(tmpa,tmpb,2),f(tmpa,tmpb,3)))<<"\n";
	}
	return 0;
}

Compilation message

abduction2.cpp: In function 'll f(ll, ll, ll)':
abduction2.cpp:68:1: warning: control reaches end of non-void function [-Wreturn-type]
   68 | }
      | ^

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 748 KB Output is correct
2 Correct 1 ms 748 KB Output is correct
3 Correct 1 ms 748 KB Output is correct
4 Correct 1 ms 748 KB Output is correct
5 Correct 1 ms 748 KB Output is correct
6 Correct 1 ms 748 KB Output is correct
7 Correct 1 ms 748 KB Output is correct
8 Correct 1 ms 748 KB Output is correct
9 Correct 1 ms 748 KB Output is correct
10 Correct 1 ms 748 KB Output is correct
11 Correct 1 ms 748 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 748 KB Output is correct
2 Correct 1 ms 748 KB Output is correct
3 Correct 1 ms 748 KB Output is correct
4 Correct 1 ms 748 KB Output is correct
5 Correct 1 ms 748 KB Output is correct
6 Correct 1 ms 748 KB Output is correct
7 Correct 1 ms 748 KB Output is correct
8 Correct 1 ms 748 KB Output is correct
9 Correct 1 ms 748 KB Output is correct
10 Correct 1 ms 748 KB Output is correct
11 Correct 1 ms 748 KB Output is correct
12 Correct 2 ms 1900 KB Output is correct
13 Correct 2 ms 1900 KB Output is correct
14 Correct 3 ms 1900 KB Output is correct
15 Correct 2 ms 1900 KB Output is correct
16 Correct 2 ms 1900 KB Output is correct
17 Correct 2 ms 1900 KB Output is correct
18 Correct 2 ms 2028 KB Output is correct
19 Correct 5 ms 2540 KB Output is correct
20 Correct 7 ms 2924 KB Output is correct
21 Correct 6 ms 2668 KB Output is correct
22 Correct 10 ms 3436 KB Output is correct

Subtask #3
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 748 KB Output is correct
2 Correct 1 ms 748 KB Output is correct
3 Correct 1 ms 748 KB Output is correct
4 Correct 1 ms 748 KB Output is correct
5 Correct 1 ms 748 KB Output is correct
6 Correct 1 ms 748 KB Output is correct
7 Correct 1 ms 748 KB Output is correct
8 Correct 1 ms 748 KB Output is correct
9 Correct 1 ms 748 KB Output is correct
10 Correct 1 ms 748 KB Output is correct
11 Correct 1 ms 748 KB Output is correct
12 Correct 2 ms 1900 KB Output is correct
13 Correct 2 ms 1900 KB Output is correct
14 Correct 3 ms 1900 KB Output is correct
15 Correct 2 ms 1900 KB Output is correct
16 Correct 2 ms 1900 KB Output is correct
17 Correct 2 ms 1900 KB Output is correct
18 Correct 2 ms 2028 KB Output is correct
19 Correct 5 ms 2540 KB Output is correct
20 Correct 7 ms 2924 KB Output is correct
21 Correct 6 ms 2668 KB Output is correct
22 Correct 10 ms 3436 KB Output is correct
23 Correct 32 ms 31872 KB Output is correct
24 Correct 32 ms 31852 KB Output is correct
25 Correct 33 ms 31852 KB Output is correct
26 Correct 35 ms 31852 KB Output is correct
27 Correct 31 ms 31852 KB Output is correct
28 Correct 64 ms 41580 KB Output is correct
29 Correct 34 ms 33260 KB Output is correct
30 Correct 171 ms 51820 KB Output is correct
31 Correct 214 ms 57580 KB Output is correct
32 Correct 38 ms 32748 KB Output is correct
33 Correct 68 ms 37996 KB Output is correct

Subtask #4
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2540 KB Output is correct
2 Correct 7 ms 2540 KB Output is correct
3 Correct 6 ms 2560 KB Output is correct
4 Correct 6 ms 2540 KB Output is correct
5 Correct 7 ms 2540 KB Output is correct
6 Correct 4 ms 2540 KB Output is correct
7 Correct 4 ms 2412 KB Output is correct
8 Correct 12 ms 3564 KB Output is correct
9 Correct 11 ms 3564 KB Output is correct
10 Correct 11 ms 3436 KB Output is correct
11 Correct 13 ms 3820 KB Output is correct

Subtask #5
56.0 / 56.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 748 KB Output is correct
2 Correct 1 ms 748 KB Output is correct
3 Correct 1 ms 748 KB Output is correct
4 Correct 1 ms 748 KB Output is correct
5 Correct 1 ms 748 KB Output is correct
6 Correct 1 ms 748 KB Output is correct
7 Correct 1 ms 748 KB Output is correct
8 Correct 1 ms 748 KB Output is correct
9 Correct 1 ms 748 KB Output is correct
10 Correct 1 ms 748 KB Output is correct
11 Correct 1 ms 748 KB Output is correct
12 Correct 2 ms 1900 KB Output is correct
13 Correct 2 ms 1900 KB Output is correct
14 Correct 3 ms 1900 KB Output is correct
15 Correct 2 ms 1900 KB Output is correct
16 Correct 2 ms 1900 KB Output is correct
17 Correct 2 ms 1900 KB Output is correct
18 Correct 2 ms 2028 KB Output is correct
19 Correct 5 ms 2540 KB Output is correct
20 Correct 7 ms 2924 KB Output is correct
21 Correct 6 ms 2668 KB Output is correct
22 Correct 10 ms 3436 KB Output is correct
23 Correct 32 ms 31872 KB Output is correct
24 Correct 32 ms 31852 KB Output is correct
25 Correct 33 ms 31852 KB Output is correct
26 Correct 35 ms 31852 KB Output is correct
27 Correct 31 ms 31852 KB Output is correct
28 Correct 64 ms 41580 KB Output is correct
29 Correct 34 ms 33260 KB Output is correct
30 Correct 171 ms 51820 KB Output is correct
31 Correct 214 ms 57580 KB Output is correct
32 Correct 38 ms 32748 KB Output is correct
33 Correct 68 ms 37996 KB Output is correct
34 Correct 6 ms 2540 KB Output is correct
35 Correct 7 ms 2540 KB Output is correct
36 Correct 6 ms 2560 KB Output is correct
37 Correct 6 ms 2540 KB Output is correct
38 Correct 7 ms 2540 KB Output is correct
39 Correct 4 ms 2540 KB Output is correct
40 Correct 4 ms 2412 KB Output is correct
41 Correct 12 ms 3564 KB Output is correct
42 Correct 11 ms 3564 KB Output is correct
43 Correct 11 ms 3436 KB Output is correct
44 Correct 13 ms 3820 KB Output is correct
45 Correct 40 ms 32876 KB Output is correct
46 Correct 40 ms 32876 KB Output is correct
47 Correct 42 ms 32876 KB Output is correct
48 Correct 43 ms 32876 KB Output is correct
49 Correct 40 ms 32876 KB Output is correct
50 Correct 75 ms 42732 KB Output is correct
51 Correct 79 ms 43884 KB Output is correct
52 Correct 279 ms 68588 KB Output is correct
53 Correct 262 ms 66796 KB Output is correct
54 Correct 262 ms 64748 KB Output is correct
55 Correct 383 ms 82284 KB Output is correct
56 Correct 3562 ms 474072 KB Output is correct
57 Correct 849 ms 148096 KB Output is correct
58 Correct 803 ms 142316 KB Output is correct
59 Correct 798 ms 141804 KB Output is correct