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답안 #170382

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
170382 2019-12-25T01:34:48 Z workharder Minerals (JOI19_minerals) C++14
85 / 100
 179 ms 9200 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
const double RAT=1.618;
const int MAXN=86005;
int lo[MAXN],hi[MAXN],arr[MAXN],res[MAXN],n,bit[MAXN];
vector<int> mid[MAXN];

int query(int now){
	int ret=0;
	for(int i=now;i>0;i-=(i&(-i)))ret+=bit[i];
	return ret;
}

void update(int now,int val){
	for(int i=now;i<=n;i+=(i&(-i)))bit[i]+=val;
}

int binser(int x){
	int now=0;
	for(int i=17;i>=0;i--){
		if(now+(1<<i)<=n && bit[now+(1<<i)]<x){
			now+=(1<<i);
			x-=bit[now];
		}
	}
	return now+1;
}

int tengah(int x,int y){
	int L=query(x-1)+1,R=query(y),T;
	T=(L+R)/2;
	return binser(T);
}

void Solve(int N) {
	int prev=0,tmpL=1,tmpR=N+1,nxt,sudah=0;
	n=N;
	vector<int> v;
	for(int i=1;i<=2*N;i++)v.push_back(i);
	for(auto i : v){
		if(tmpL==N+1 || Query(i)==prev){
			arr[tmpR]=i;
			lo[tmpR]=1;
			hi[tmpR]=tmpL-1;
			if(lo[tmpR]<hi[tmpR])mid[tengah(lo[tmpR],hi[tmpR])].push_back(tmpR);
			else{
				Answer(i,arr[tmpL-1]);
				update(tmpL-1,-1);
				arr[tmpL-1]=0;
				sudah++;
			}
			tmpR++;
		}
		else{
			update(tmpL,1);
			arr[tmpL]=i;
			tmpL++;
			prev++;
		}
	}
	if(sudah==N)return;
	int prefix=0;
	while(sudah<N){
		for(int i=1;i<=N;i++){
			if(arr[i])prev=Query(arr[i]);
			while(!mid[i].empty()){
				int now=mid[i].back();
				mid[i].pop_back();
				nxt=Query(arr[now]);
				if(prefix){
					if(nxt==prev){   //sudah ada
						hi[now]=i;
						res[now]=i;
						if(query(hi[now])-query(lo[now]-1)>1)mid[tengah(lo[now],hi[now])].push_back(now);
						else{
							sudah++;
							res[now]=binser(query(hi[now]));
							Answer(arr[now],arr[res[now]]);
							update(res[now],-1);
							arr[now]=0;arr[res[now]]=0;
						}
					}
					else{
						lo[now]=i+1;
						if(query(hi[now])-query(lo[now]-1)>1)mid[tengah(lo[now],hi[now])].push_back(now);
						else{
							sudah++;
							res[now]=binser(query(hi[now]));
							Answer(arr[now],arr[res[now]]);
							update(res[now],-1);
							arr[now]=0;arr[res[now]]=0;
						}
					}
				}
				else{
					if(nxt==prev){
						lo[now]=i+1;
						if(query(hi[now])-query(lo[now]-1)>1)mid[tengah(lo[now],hi[now])].push_back(now);
						else{
							sudah++;
							res[now]=binser(query(hi[now]));
							Answer(arr[now],arr[res[now]]);
							update(res[now],-1);
							arr[now]=0;arr[res[now]]=0;
						}
					}
					else{
						hi[now]=i;
						res[now]=i;
						if(query(hi[now])-query(lo[now]-1)>1)mid[tengah(lo[now],hi[now])].push_back(now);
						else{
							sudah++;
							res[now]=binser(query(hi[now]));
							Answer(arr[now],arr[res[now]]);
							update(res[now],-1);
							arr[now]=0;arr[res[now]]=0;
						}
					}
				}
				if(sudah==N)return;
				prev=nxt;
			}
		}
		prefix=1-prefix;
	}
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2296 KB Output is correct
2 Correct 3 ms 2296 KB Output is correct
3 Correct 4 ms 2424 KB Output is correct
4 Correct 4 ms 2424 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 2424 KB Output is correct
2 Correct 7 ms 2552 KB Output is correct
3 Correct 11 ms 2856 KB Output is correct
4 Correct 21 ms 3384 KB Output is correct
5 Correct 51 ms 4600 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2296 KB Output is correct
2 Correct 3 ms 2296 KB Output is correct
3 Correct 4 ms 2424 KB Output is correct
4 Correct 4 ms 2424 KB Output is correct
5 Correct 5 ms 2424 KB Output is correct
6 Correct 7 ms 2552 KB Output is correct
7 Correct 11 ms 2856 KB Output is correct
8 Correct 21 ms 3384 KB Output is correct
9 Correct 51 ms 4600 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 33 ms 3464 KB Output is correct
12 Correct 52 ms 3960 KB Output is correct
13 Correct 15 ms 3576 KB Output is correct
14 Correct 34 ms 4472 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2296 KB Output is correct
2 Correct 3 ms 2296 KB Output is correct
3 Correct 4 ms 2424 KB Output is correct
4 Correct 4 ms 2424 KB Output is correct
5 Correct 5 ms 2424 KB Output is correct
6 Correct 7 ms 2552 KB Output is correct
7 Correct 11 ms 2856 KB Output is correct
8 Correct 21 ms 3384 KB Output is correct
9 Correct 51 ms 4600 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 33 ms 3464 KB Output is correct
12 Correct 52 ms 3960 KB Output is correct
13 Correct 15 ms 3576 KB Output is correct
14 Correct 34 ms 4472 KB Output is correct
15 Correct 161 ms 6404 KB Output is correct
16 Correct 157 ms 6504 KB Output is correct
17 Correct 36 ms 5484 KB Output is correct
18 Correct 89 ms 8816 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2296 KB Output is correct
2 Correct 3 ms 2296 KB Output is correct
3 Correct 4 ms 2424 KB Output is correct
4 Correct 4 ms 2424 KB Output is correct
5 Correct 5 ms 2424 KB Output is correct
6 Correct 7 ms 2552 KB Output is correct
7 Correct 11 ms 2856 KB Output is correct
8 Correct 21 ms 3384 KB Output is correct
9 Correct 51 ms 4600 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 33 ms 3464 KB Output is correct
12 Correct 52 ms 3960 KB Output is correct
13 Correct 15 ms 3576 KB Output is correct
14 Correct 34 ms 4472 KB Output is correct
15 Correct 161 ms 6404 KB Output is correct
16 Correct 157 ms 6504 KB Output is correct
17 Correct 36 ms 5484 KB Output is correct
18 Correct 89 ms 8816 KB Output is correct
19 Correct 164 ms 6556 KB Output is correct
20 Correct 163 ms 6560 KB Output is correct
21 Correct 35 ms 5616 KB Output is correct
22 Correct 91 ms 8944 KB Output is correct

Subtask #6
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2296 KB Output is correct
2 Correct 3 ms 2296 KB Output is correct
3 Correct 4 ms 2424 KB Output is correct
4 Correct 4 ms 2424 KB Output is correct
5 Correct 5 ms 2424 KB Output is correct
6 Correct 7 ms 2552 KB Output is correct
7 Correct 11 ms 2856 KB Output is correct
8 Correct 21 ms 3384 KB Output is correct
9 Correct 51 ms 4600 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 33 ms 3464 KB Output is correct
12 Correct 52 ms 3960 KB Output is correct
13 Correct 15 ms 3576 KB Output is correct
14 Correct 34 ms 4472 KB Output is correct
15 Correct 161 ms 6404 KB Output is correct
16 Correct 157 ms 6504 KB Output is correct
17 Correct 36 ms 5484 KB Output is correct
18 Correct 89 ms 8816 KB Output is correct
19 Correct 164 ms 6556 KB Output is correct
20 Correct 163 ms 6560 KB Output is correct
21 Correct 35 ms 5616 KB Output is correct
22 Correct 91 ms 8944 KB Output is correct
23 Correct 171 ms 6720 KB Output is correct
24 Correct 171 ms 6716 KB Output is correct
25 Correct 36 ms 5756 KB Output is correct
26 Correct 93 ms 8948 KB Output is correct

Subtask #7
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2296 KB Output is correct
2 Correct 3 ms 2296 KB Output is correct
3 Correct 4 ms 2424 KB Output is correct
4 Correct 4 ms 2424 KB Output is correct
5 Correct 5 ms 2424 KB Output is correct
6 Correct 7 ms 2552 KB Output is correct
7 Correct 11 ms 2856 KB Output is correct
8 Correct 21 ms 3384 KB Output is correct
9 Correct 51 ms 4600 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 33 ms 3464 KB Output is correct
12 Correct 52 ms 3960 KB Output is correct
13 Correct 15 ms 3576 KB Output is correct
14 Correct 34 ms 4472 KB Output is correct
15 Correct 161 ms 6404 KB Output is correct
16 Correct 157 ms 6504 KB Output is correct
17 Correct 36 ms 5484 KB Output is correct
18 Correct 89 ms 8816 KB Output is correct
19 Correct 164 ms 6556 KB Output is correct
20 Correct 163 ms 6560 KB Output is correct
21 Correct 35 ms 5616 KB Output is correct
22 Correct 91 ms 8944 KB Output is correct
23 Correct 171 ms 6720 KB Output is correct
24 Correct 171 ms 6716 KB Output is correct
25 Correct 36 ms 5756 KB Output is correct
26 Correct 93 ms 8948 KB Output is correct
27 Correct 172 ms 6772 KB Output is correct
28 Correct 173 ms 6768 KB Output is correct
29 Correct 38 ms 5792 KB Output is correct
30 Correct 95 ms 9200 KB Output is correct

Subtask #8
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2296 KB Output is correct
2 Correct 3 ms 2296 KB Output is correct
3 Correct 4 ms 2424 KB Output is correct
4 Correct 4 ms 2424 KB Output is correct
5 Correct 5 ms 2424 KB Output is correct
6 Correct 7 ms 2552 KB Output is correct
7 Correct 11 ms 2856 KB Output is correct
8 Correct 21 ms 3384 KB Output is correct
9 Correct 51 ms 4600 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 33 ms 3464 KB Output is correct
12 Correct 52 ms 3960 KB Output is correct
13 Correct 15 ms 3576 KB Output is correct
14 Correct 34 ms 4472 KB Output is correct
15 Correct 161 ms 6404 KB Output is correct
16 Correct 157 ms 6504 KB Output is correct
17 Correct 36 ms 5484 KB Output is correct
18 Correct 89 ms 8816 KB Output is correct
19 Correct 164 ms 6556 KB Output is correct
20 Correct 163 ms 6560 KB Output is correct
21 Correct 35 ms 5616 KB Output is correct
22 Correct 91 ms 8944 KB Output is correct
23 Correct 171 ms 6720 KB Output is correct
24 Correct 171 ms 6716 KB Output is correct
25 Correct 36 ms 5756 KB Output is correct
26 Correct 93 ms 8948 KB Output is correct
27 Correct 172 ms 6772 KB Output is correct
28 Correct 173 ms 6768 KB Output is correct
29 Correct 38 ms 5792 KB Output is correct
30 Correct 95 ms 9200 KB Output is correct
31 Correct 178 ms 6884 KB Output is correct
32 Correct 179 ms 6944 KB Output is correct
33 Correct 37 ms 5828 KB Output is correct
34 Incorrect 95 ms 9196 KB Wrong Answer [2]

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2296 KB Output is correct
2 Correct 3 ms 2296 KB Output is correct
3 Correct 4 ms 2424 KB Output is correct
4 Correct 4 ms 2424 KB Output is correct
5 Correct 5 ms 2424 KB Output is correct
6 Correct 7 ms 2552 KB Output is correct
7 Correct 11 ms 2856 KB Output is correct
8 Correct 21 ms 3384 KB Output is correct
9 Correct 51 ms 4600 KB Output is correct
10 Correct 5 ms 2552 KB Output is correct
11 Correct 33 ms 3464 KB Output is correct
12 Correct 52 ms 3960 KB Output is correct
13 Correct 15 ms 3576 KB Output is correct
14 Correct 34 ms 4472 KB Output is correct
15 Correct 161 ms 6404 KB Output is correct
16 Correct 157 ms 6504 KB Output is correct
17 Correct 36 ms 5484 KB Output is correct
18 Correct 89 ms 8816 KB Output is correct
19 Correct 164 ms 6556 KB Output is correct
20 Correct 163 ms 6560 KB Output is correct
21 Correct 35 ms 5616 KB Output is correct
22 Correct 91 ms 8944 KB Output is correct
23 Correct 171 ms 6720 KB Output is correct
24 Correct 171 ms 6716 KB Output is correct
25 Correct 36 ms 5756 KB Output is correct
26 Correct 93 ms 8948 KB Output is correct
27 Correct 172 ms 6772 KB Output is correct
28 Correct 173 ms 6768 KB Output is correct
29 Correct 38 ms 5792 KB Output is correct
30 Correct 95 ms 9200 KB Output is correct
31 Correct 178 ms 6884 KB Output is correct
32 Correct 179 ms 6944 KB Output is correct
33 Correct 37 ms 5828 KB Output is correct
34 Incorrect 95 ms 9196 KB Wrong Answer [2]