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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#647029#7434. 冷たい部屋、一人piggy123WA 14ms129820kbC++146.7kb2024-10-17 11:08:252024-10-17 11:08:30

Judging History

你现在查看的是最新测评结果

  • [2024-10-17 11:08:30]
  • 评测
  • 测评结果:WA
  • 用时:14ms
  • 内存:129820kb
  • [2024-10-17 11:08:25]
  • 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+1,R=lb;
				for (qry k:Q[j]) {
					while (R<k.r)C.add(++R);
					while (L>k.l)C.add(--L);
					while (L<lb+1)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;
}

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

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 11ms
memory: 91732kb

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: 7ms
memory: 91792kb

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: 4ms
memory: 91796kb

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: 7ms
memory: 91736kb

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: 89672kb

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: 14ms
memory: 118396kb

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: 4ms
memory: 117172kb

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: 7ms
memory: 129820kb

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:

30882
315
170
89
954
997
237
6385
60
10350
647
35
1755
161354
1138
1313
333
227
1127
30655
409
106168
122091
476
30337
20
66
120610
1280
27715
1973
4218
326
4026
14
129
11021
1
56697
1
2040
292
103019
6
245
28051
121966
123786
119257
3469
20
122297
472
103010
4
283
166
32014
120015
182767
46
121891
...

result:

wrong answer 1st numbers differ - expected: '31295', found: '30882'