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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#647024#7434. 冷たい部屋、一人piggy123WA 11ms129652kbC++146.7kb2024-10-17 11:04:512024-10-17 11:04:51

Judging History

你现在查看的是最新测评结果

  • [2024-10-17 11:04:51]
  • 评测
  • 测评结果:WA
  • 用时:11ms
  • 内存:129652kb
  • [2024-10-17 11:04:51]
  • 提交

answer

#include <bits/stdc++.h>
#define ll long long
using namespace std;

ll a[500005],b[21][500005],c[21][500005],lg[500005],ans[500005],n,m;
struct qry {
	ll l,r,id;
} p[500005],p2[500005];
vector<ll> col[500005],CC[500005];
const ll S=600;
ll S2=0;

struct block {
	const ll B=600;
	ll tag[805],z[500005];
	void add(ll pos,ll v) {
		z[pos]+=v;
		tag[(pos-1)/B+1]+=v;
	}
	ll query(ll pos) {
		ll v=(pos-1)/B+1,r=(n-1)/B+1,ans=0;
		for (ll i=v+1; i<=r; i++)ans+=tag[i];
		for (ll i=pos; i<=v*B; i++)ans+=z[i];
		return ans;
	}
} B;

ll getmx(ll l,ll r) {
	ll k=lg[r-l+1];
	return max(c[k][l],c[k][r-(1ll<<k)+1]);
}

ll getmi(ll l,ll r) {
	ll k=lg[r-l+1];
	return min(b[k][l],b[k][r-(1ll<<k)+1]);
}

ll v[1000005],cnt[1000005],d[1000005],nxt[1000005],to[1000005],T;
vector<qry> Q[1000005];

struct CHAIN{
	ll vis[1000005],sz[1000005],ano[1000005];
	array<ll,5> stk[1000005];
	ll top,gx;
	void init(ll len){
		for (ll i=0;i<=len;i++)vis[i]=0,sz[i]=1,ano[i]=i;
		top=0,gx=0;
	}
	
	void link(ll a){
		ll l=ano[a],r=ano[a+1];
		ano[l]=r,ano[r]=l;
		stk[++top]={l,r,a,sz[a],sz[a+1]};
		gx+=sz[a]*sz[a+1];
		sz[l]=sz[r]=sz[a]+sz[a+1];
//		cout<<"?" <<a<<" "<< sz[a]<<" "<<sz[a+1]<<"\n";
		
	}
	
	void add(ll pos){
		vis[d[pos]]++;
		if (vis[d[pos]]==2){
			link(d[pos]);
		}
	}
	void del(ll pos){
		vis[d[pos]]--;
		if (vis[d[pos]]==1){
			redo();
		}
	}
	void redo(){
		auto tp=stk[top--];
		gx-=tp[3]*tp[4];
		ano[tp[0]]=tp[2];
		ano[tp[1]]=tp[2]+1;
		sz[tp[0]]=tp[3];
		sz[tp[1]]=tp[4];
	}
}C;

int main() {
	cin.tie(0);
	cout.tie(0);
	ios::sync_with_stdio(false);
	cin >> n >> m;
	for (ll i=1; i<=n; i++) {
		cin >> a[i];
		col[a[i]].push_back(i);
	}
	for (ll i=1; i<=n; i++) {
		if (i>1)lg[i]=lg[i>>1]+1;
		cin >> b[0][i];
		c[0][i]=b[0][i];
	}
	for (ll i=1; i<=20; i++) {
		for (ll j=1; j+(1ll<<i)-1<=n; j++) {
			b[i][j]=min(b[i-1][j],b[i-1][j+(1ll<<(i-1))]);
			c[i][j]=max(c[i-1][j],c[i-1][j+(1ll<<(i-1))]);
		}
	}
	for (ll i=1; i<=m; i++) {
		cin >> p[i].l >> p[i].r;
		p[i].id=i;
	}
	for (ll i=1; i<=n; i++) {
		if (col[i].size()<=S) {
			for (ll j=0; j<(ll)col[i].size(); j++) {
				for (ll k=j+1; k<(ll)col[i].size(); k++) {
					ll mi=getmi(col[i][j],col[i][k]),mx=getmx(col[i][j],col[i][k]);
					CC[mx].push_back(mi);
				}
			}
		}
	}
	sort(p+1,p+1+m,[](qry a,qry b) {
		return a.r<b.r;
	});
	ll ps=0;
	for (ll i=1; i<=m; i++) {
		while (ps+1<=n&&ps+1<=p[i].r) {
			for (ll j:CC[ps+1]) {
				B.add(j,1);
			}
			ps++;
		}
		ans[p[i].id]+=B.query(p[i].l);
	}
	for (ll i=1; i<=n; i++) {
		if (col[i].size()>S) {
			T=i;
			ll N=col[i].size();
			vector<ll> book;
			for (ll j=0; j+1<N; j++) {
				ll mi=getmi(col[i][j],col[i][j+1]),mx=getmx(col[i][j],col[i][j+1]);
				book.push_back(mi);
				book.push_back(mx);
			}
			sort(book.begin(),book.end());
			book.erase(unique(book.begin(),book.end()),book.end());
			for (ll j=0; j+1<N; j++) {
				ll mi=getmi(col[i][j],col[i][j+1]),mx=getmx(col[i][j],col[i][j+1]);
				++cnt[lower_bound(book.begin(),book.end(),mi)-book.begin()+1];
				++cnt[lower_bound(book.begin(),book.end(),mx)-book.begin()+1];
			}
			for (ll j=1; j<=(ll)book.size(); j++)cnt[j]+=cnt[j-1];
			for (ll j=0; j+1<N; j++) {
				ll mi=getmi(col[i][j],col[i][j+1]),mx=getmx(col[i][j],col[i][j+1]);
				ll mip=lower_bound(book.begin(),book.end(),mi)-book.begin()+1;
				ll mxp=lower_bound(book.begin(),book.end(),mx)-book.begin()+1;
				d[cnt[mip]--]=j;
				to[cnt[mip]+1]=mi;
				d[cnt[mxp]--]=j;
				to[cnt[mxp]+1]=mx;
			}
			ll ps=0;
			for (ll j=1; j<=n; j++) {
				while (ps+1<=2*(N-1)&&to[ps+1]<=j)ps++;
				nxt[j]=ps;
			}
			S2=2*(N-1)/sqrt(m)+1;
//			cout<<"! "<< i<<"\n";
			for (ll j=1; j<=m; j++) {
				p2[j].l=nxt[p[j].l-1]+1,p2[j].r=nxt[p[j].r],p2[j].id=p[j].id;
				if ((p2[j].l-1)/S2==(p2[j].r-1)/S2) {
					C.init(N);
					for (ll k=p2[j].l; k<=p2[j].r; k++) {
						C.add(k);
					}
					ans[p2[j].id]+=C.gx;
//					cout<< p2[j].id<<":"<<C.gx<<"\n";
				} else {
					Q[(p2[j].l-1)/S2+1].push_back(p2[j]);
				}
			}
			for (ll j=1; j<=(2*(N-1)-1)/S2+1; j++) {
				ll lb=j*S2;
				C.init(N);
				ll L=lb,R=lb-1;
				for (qry k:Q[j]) {
					while (R<k.r)C.add(++R);
					while (L>k.l)C.add(--L);
					while (L<lb)C.del(L++);
					ans[k.id]+=C.gx;
				}
			}
			for (ll j=1; j<=2*(N-1); j++)cnt[j]=to[j]=nxt[j]=d[j]=0,Q[j].clear();
		}
	}
	for (ll i=1; i<=m; i++) {
		cout<< ans[i]<<"\n";
	}
	return 0;
}

/*
                                                                
 ■■■■■     ■■      ■■■     ■■■   ■    ■     ■     ■■■■    ■■■■  
 ■   ■■    ■■     ■  ■■   ■  ■■  ■    ■    ■■     ■  ■■  ■■  ■  
 ■    ■    ■■    ■    ■  ■    ■   ■  ■    ■■■    ■■  ■■  ■   ■■ 
 ■    ■    ■■    ■    ■  ■    ■   ■  ■     ■■    ■   ■■      ■■ 
 ■    ■    ■■    ■       ■         ■■      ■■        ■■      ■  
 ■   ■■    ■■    ■  ■■■  ■  ■■■    ■■      ■■       ■■     ■■■  
 ■■■■■     ■■    ■    ■  ■    ■    ■■      ■■      ■■        ■■ 
 ■         ■■    ■    ■  ■    ■    ■■      ■■     ■■          ■ 
 ■         ■■    ■    ■  ■    ■    ■■      ■■     ■      ■   ■■ 
 ■         ■■    ■■  ■■  ■■  ■■    ■■      ■■    ■       ■■  ■■ 
 ■         ■■      ■■■■    ■■■■    ■■      ■■    ■■■■■■   ■■■■  
*/

详细

Test #1:

score: 100
Accepted
time: 3ms
memory: 91644kb

input:

100 100
4 1 5 1 2 1 7 5 3 7 2 3 6 6 5 3 2 2 4 1 6 5 6 2 2 2 7 6 1 3 6 3 5 6 7 6 1 2 3 3 4 2 1 1 5 4 4 3 6 7 1 1 6 1 5 6 2 3 7 4 2 4 6 7 7 3 5 3 7 2 3 3 5 1 4 7 1 2 2 5 2 2 4 3 4 7 2 7 7 3 7 3 6 6 5 4 5 4 7 6
93 52 12 70 25 36 18 37 27 99 68 40 84 3 76 57 60 19 33 41 92 87 58 13 15 43 28 63 64 59 31 ...

output:

1
0
13
71
1
1
3
7
0
0
2
1
3
20
12
6
61
24
1
0
0
2
3
19
0
0
6
2
0
0
4
1
135
0
19
1
1
29
14
39
1
0
1
7
7
0
12
3
0
1
0
1
1
5
0
28
14
19
2
1
0
0
6
5
0
0
2
7
5
1
2
2
0
1
11
1
0
1
0
10
0
0
5
1
33
1
17
2
1
22
20
1
2
0
0
16
0
1
1
15

result:

ok 100 numbers

Test #2:

score: 0
Accepted
time: 4ms
memory: 91700kb

input:

100 100
8 8 2 8 8 12 11 8 5 5 5 1 7 6 6 11 3 13 1 12 2 2 4 1 11 13 10 7 1 2 4 3 1 12 1 5 13 8 1 5 12 5 12 4 6 3 5 4 8 3 4 1 4 3 9 2 11 9 4 8 12 3 5 13 13 1 9 12 2 13 8 13 4 13 12 5 12 13 2 6 4 4 1 6 6 9 12 7 4 3 10 7 1 7 7 10 4 12 3 9
96 87 12 73 74 78 99 76 7 77 54 88 90 86 95 94 31 83 27 11 66 91 ...

output:

0
6
2
0
0
1
16
1
1
10
7
9
2
8
2
1
3
5
0
7
2
0
2
0
1
0
7
0
0
1
108
0
0
0
6
4
1
0
2
13
0
3
0
10
0
0
1
21
0
18
0
11
0
8
13
9
0
0
0
11
12
2
1
0
2
16
1
7
0
16
0
2
3
7
0
2
10
1
4
2
6
0
0
6
3
0
0
0
5
7
0
0
6
0
7
0
4
0
3
0

result:

ok 100 numbers

Test #3:

score: 0
Accepted
time: 7ms
memory: 91732kb

input:

100 100
13 4 2 1 1 2 1 39 20 1 1 1 33 1 1 1 9 37 21 7 14 58 1 3 19 29 40 56 2 1 3 1 42 1 1 13 1 3 5 4 49 1 1 8 8 3 1 14 1 1 2 6 17 3 2 2 2 9 3 1 17 90 1 1 1 1 8 14 17 16 1 33 15 20 46 22 2 20 11 1 28 3 1 4 1 17 3 9 10 2 1 2 2 6 1 1 3 17 27 2
86 82 24 49 50 32 63 20 53 11 60 1 16 27 15 14 12 88 52 17...

output:

1
84
13
0
7
4
26
1
9
1
7
3
10
0
7
3
6
4
4
0
13
1
0
4
4
0
40
22
36
0
5
6
0
37
28
213
1
6
10
4
0
3
5
0
3
5
25
2
0
1
3
12
1
39
0
8
4
2
6
0
6
4
23
17
0
0
4
13
6
6
0
0
6
10
11
30
0
7
10
10
101
0
1
0
62
0
10
100
26
4
5
1
24
0
1
4
15
3
0
6

result:

ok 100 numbers

Test #4:

score: 0
Accepted
time: 11ms
memory: 91860kb

input:

100 100
1 1 1 1 1 36 58 18 15 1 1 2 1 1 1 1 4 10 9 2 2 4 28 1 2 1 2 2 28 27 12 6 3 10 1 1 2 1 1 2 7 40 1 4 8 17 16 3 5 1 2 2 16 5 6 1 5 3 4 11 1 1 11 51 11 4 3 7 14 16 1 11 1 2 8 3 4 1 1 3 2 5 21 7 3 10 2 2 1 20 23 1 3 6 1 1 15 3 34 1
8 1 2 3 92 48 11 43 9 71 69 5 6 7 12 26 31 45 80 83 14 16 17 25 2...

output:

29
1
9
19
6
1
3
2
0
16
15
2
11
14
24
191
25
21
33
34
19
2
0
0
11
32
1
9
2
16
24
28
9
0
123
4
6
0
13
69
271
15
47
6
0
121
0
1
15
1
9
61
0
63
10
2
2
13
55
25
12
2
40
4
3
39
14
15
0
15
2
48
6
0
0
6
0
5
0
11
3
1
78
9
12
0
0
14
15
38
7
3
0
12
10
0
1
6
0
22

result:

ok 100 numbers

Test #5:

score: 0
Accepted
time: 4ms
memory: 91864kb

input:

100 100
1 15 6 12 6 13 8 8 3 5 14 5 7 13 8 1 1 3 8 5 4 7 9 1 1 7 4 14 7 5 4 6 7 5 11 6 4 14 8 11 12 9 12 14 10 12 9 14 14 11 12 12 11 8 5 11 10 6 13 5 6 4 6 15 10 2 13 12 7 15 9 14 15 1 9 9 8 4 5 2 2 5 13 14 12 5 9 13 7 12 1 1 1 7 10 5 11 4 4 6
17 65 39 50 77 97 44 15 72 11 8 59 74 14 1 3 5 68 21 4 ...

output:

24
5
0
4
0
1
0
0
2
0
2
11
0
13
12
3
19
0
0
0
5
1
0
0
14
0
9
0
1
22
7
25
44
0
7
0
0
3
27
1
0
0
8
3
0
0
2
2
18
26
63
15
2
28
0
1
8
10
18
19
4
0
0
5
0
0
3
15
5
63
5
8
29
0
14
8
7
2
3
1
1
1
2
1
6
8
0
0
19
0
20
0
3
11
0
4
6
5
55
0

result:

ok 100 numbers

Test #6:

score: 0
Accepted
time: 8ms
memory: 116544kb

input:

5000 5000
2 29 12 10 25 32 45 18 16 38 41 50 8 32 54 37 18 29 37 42 9 38 25 43 35 5 47 20 32 35 8 14 8 37 30 16 45 19 14 33 14 31 31 33 28 12 11 49 32 6 11 4 50 39 3 55 25 26 13 40 41 44 31 31 18 19 25 18 29 19 21 1 52 19 2 53 39 55 11 27 54 22 16 49 12 23 41 22 34 38 40 20 5 35 43 40 29 14 20 40 6 ...

output:

21908
618
65611
229
7839
55433
12508
4205
5
12239
31375
1958
20
2290
29810
13020
12234
5752
14318
13451
122
0
109
3852
26843
12709
11522
14307
45468
886
5020
6667
21808
3367
637
593
37
5078
2698
61
364
20500
88231
2311
39
2487
18627
3425
194
4845
54212
84095
14695
8
67509
4364
312
23989
3876
86722
1...

result:

ok 5000 numbers

Test #7:

score: 0
Accepted
time: 11ms
memory: 117004kb

input:

5000 5000
15 86 121 63 26 26 74 43 35 32 48 131 61 120 103 48 101 1 70 97 130 105 30 38 68 141 85 141 108 17 143 106 47 90 4 68 63 8 79 26 10 66 48 61 18 75 62 84 80 113 20 27 109 102 32 13 20 63 12 53 112 146 33 27 49 110 55 132 121 67 75 18 38 80 140 62 7 20 104 4 42 91 67 20 127 77 13 141 64 3 28...

output:

0
132
8
26
0
32
1
61
40
0
0
0
0
18
49
15
0
14
2
63
24
9
10
94
10
21
1
2
1
6
17
21
1
83
19
9
0
21
67
8
13
0
0
0
13
1
0
21
0
13
1
123
0
0
8
0
0
10
14
2
32
2
8
53
29
0
23
6
6
0
0
13
0
1
0
3
0
0
1
0
5
15
15
0
4
4
1
0
1
0
0
2
1
0
0
0
0
1
2
1
11
23
45
1
0
9
14
104
60
8
3
1
2
38
34
32
1
0
0
38
27
18
62
0
5...

result:

ok 5000 numbers

Test #8:

score: -100
Wrong Answer
time: 4ms
memory: 129652kb

input:

5000 5000
342 3 498 1667 87 63 8 215 1 25 67 5 7 600 1 1 51 14 6 1990 7 2707 105 637 5 805 328 74 1 57 316 236 6 1 1 700 965 2 493 21 12 2 1 1626 1 1352 11 109 1 2253 70 4 788 55 140 1 2 1 57 21 1 530 3060 62 266 86 32 1861 1 173 2 2 234 1 402 1392 101 9 7 1 8 3 8 137 46 4 17 212 1 4 10 6 1389 200 4...

output:

30883
316
170
89
954
997
237
6385
60
10461
650
35
1755
161354
1140
1314
350
227
1127
30655
411
106169
122091
476
30337
20
66
120611
1282
27912
2363
4220
327
4040
14
130
11132
1
56697
1
2042
292
103019
6
247
28248
121966
123787
119257
3471
21
122297
472
103010
4
287
167
32015
120015
182769
46
121891
...

result:

wrong answer 1st numbers differ - expected: '31295', found: '30883'