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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#18860#1877. Matryoshka Dollss8194272RE 13ms12292kbC++143.5kb2022-01-27 14:12:002022-05-06 02:57:34

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-05-06 02:57:34]
  • 评测
  • 测评结果:RE
  • 用时:13ms
  • 内存:12292kb
  • [2022-01-27 14:12:00]
  • 提交

answer

#include<iostream>
#include<algorithm>
#include<cstring>
#include<cstdio>
#include<bitset>
#include<cmath>
#include<ctime>
#include<queue>
#include<map>
#include<set>

#define fi first
#define se second
#define max Max
#define min Min
#define abs Abs
#define lc (x<<1)
#define rc (x<<1|1)
#define pb(x) push_back(x)
#define lowbit(x) (x&(-x))
#define fan(x) (((x-1)^1)+1)
#define mp(x,y) make_pair(x,y)
#define clr(f,n) memset(f,0,sizeof(int)*(n))
#define cpy(f,g,n) memcpy(f,g,sizeof(int)*(n))
#define INF 0x3f3f3f3f

using namespace std;

namespace fastIO
{
    #define BUF_SIZE 100000
    bool IOerror=0;
    inline char nc()
	{
        static char buf[BUF_SIZE],*p1=buf+BUF_SIZE,*pend=buf+BUF_SIZE;
        if(p1==pend)
		{
            p1=buf;
            pend=buf+fread(buf,1,BUF_SIZE,stdin);
            if(pend==p1)
			{
                IOerror=1;
                return -1;
            }
        }
        return *p1++;
    }
    inline bool blank(char ch)
	{
        return ch==' '||ch=='\n'||ch=='\r'||ch=='\t';
    }
    inline int read()
	{
		int ans=0,f=1;
		char c=nc();
		while(c>'9'||c<'0'){if(c=='-')f=-1;c=nc();}
		while(c>='0'&&c<='9'){ans=ans*10+c-'0';c=nc();}
		return ans*f;
	}
    #undef BUF_SIZE
};

using namespace fastIO;

inline void write(long long x)
{
	if(x<0) putchar('-'),x=-x;
	if(x/10) write(x/10);
	putchar((char)(x%10)+'0');
}

template<typename T>inline T Abs(T a){return a>0?a:-a;};
template<typename T,typename TT>inline T Min(T a,TT b){return a<b?a:b;}
template<typename T,typename TT> inline T Max(T a,TT b){return a<b?b:a;}

const int N=5e5+5;
int n,m,nn,block,a[N],b[N],L,R;
long long now,ans[N];

struct Node
{
	int l,r,id;
	bool operator < (const Node &x)const
	{
		if(l/block==x.l/block)
		{
			int tmp=l/block;
			if(tmp%2==1)
				return r<x.r;
			return r>x.r;
		}
		return l<x.l;
	}
}c[N];

struct BIT
{
	int c[N],all;
	inline void add(int x,int v)
	{
		all+=v;
		for(;x<=nn;x+=lowbit(x))
			c[x]+=v;
	}
	inline int query1(int x)
	{
		int res=0;
		for(;x;x-=lowbit(x))
			res+=c[x];
		return res;
	}
	inline int query2(int k)
	{
		int l=1,r=nn,mid;
		while(l^r)
			c[mid=(l+r)>>1]<k?(k-=c[mid],l=mid+1):r=mid;
		return l;
	}
	inline int pre(int x)
	{
		int tmp=query1(x-1);
		if(tmp==0) return -1;
		return query2(query1(x-1));
	}
	inline int suc(int x)
	{
		int tmp=query1(x);
		if(all==tmp) return -1;
		return query2(query1(x)+1);
	}
}sum;

inline void add(int x)
{
	int lf=(a[x]==1?-1:sum.pre(a[x]));
	int rf=(a[x]==n?-1:sum.suc(a[x]));
	if(lf!=-1) now+=abs(b[lf]-x);
	if(rf!=-1) now+=abs(b[rf]-x);
	if(lf!=-1&&rf!=-1) now-=abs(b[lf]-b[rf]);
	sum.add(a[x],1);
}

inline void del(int x)
{
	int lf=(a[x]==1?-1:sum.pre(a[x]));
	int rf=(a[x]==n?-1:sum.suc(a[x]));
	if(lf!=-1) now-=abs(b[lf]-x);
	if(rf!=-1) now-=abs(b[rf]-x);
	if(lf!=-1&&rf!=-1) now+=abs(b[lf]-b[rf]);
	sum.add(a[x],-1);
}

signed main()
{
	//freopen("rrads.in","r",stdin);
	//freopen("rrads.out","w",stdout);
	n=read();m=read();nn=1;
	for(int i=1;i<=n;++i)
		a[i]=read(),b[a[i]]=i;
	while(nn<n) nn<<=1;
	block=n/((int)sqrt(m));
	for(int i=1;i<=m;++i)
	{
		c[i].l=read();
		c[i].r=read();
		c[i].id=i;
	}
	sort(c+1,c+1+m);L=1;R=0;
	for(int i=1;i<=m;++i)
	{
		while(L>c[i].l) add(--L);
		while(R<c[i].r) add(++R);
		while(L<c[i].l) del(L++);
		while(R>c[i].r) del(R--);
		ans[c[i].id]=now;
	}
	for(int i=1;i<=m;++i)
		write(ans[i]),puts("");
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 11784kb

input:

5 5
1 5 2 4 3
1 5
1 4
1 3
1 2
1 1

output:

7
5
3
1
0

result:

ok 5 number(s): "7 5 3 1 0"

Test #2:

score: 0
Accepted
time: 5ms
memory: 11868kb

input:

1 1
1
1 1

output:

0

result:

ok 1 number(s): "0"

Test #3:

score: 0
Accepted
time: 13ms
memory: 12292kb

input:

100000 1
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 132 134 136 138 140 142 144 146 148 150 152 154 156 158 160 162 164 166 168 170 172 ...

output:

4999950000

result:

ok 1 number(s): "4999950000"

Test #4:

score: 0
Accepted
time: 4ms
memory: 11860kb

input:

20 1
12 8 13 10 18 14 1 19 5 16 15 9 17 20 6 2 11 4 3 7
9 18

output:

36

result:

ok 1 number(s): "36"

Test #5:

score: 0
Accepted
time: 5ms
memory: 11724kb

input:

20 10
5 16 11 7 19 8 12 13 17 18 6 1 14 3 4 2 15 20 10 9
7 11
7 13
7 17
11 15
1 7
4 6
1 5
6 14
3 5
9 9

output:

7
16
34
9
20
3
8
22
3
0

result:

ok 10 numbers

Test #6:

score: 0
Accepted
time: 1ms
memory: 11868kb

input:

20 50
7 3 13 8 9 18 1 15 12 10 20 11 17 16 2 19 5 4 6 14
3 6
5 15
11 20
10 18
9 20
3 17
13 20
16 17
3 20
4 17
15 18
5 19
3 14
8 20
2 20
1 4
15 19
16 20
5 13
14 17
4 10
6 16
8 16
1 12
4 9
11 15
4 20
8 11
3 16
7 7
3 11
3 7
4 4
5 12
6 20
3 14
6 19
6 19
2 14
2 12
5 6
4 6
8 15
10 19
4 14
1 16
1 20
2 13
3...

output:

6
48
36
24
46
74
17
1
104
64
5
68
44
58
130
5
9
8
30
7
13
48
26
38
11
8
92
5
70
0
28
9
0
20
80
44
58
58
48
36
1
2
20
28
34
76
136
46
1
28

result:

ok 50 numbers

Test #7:

score: 0
Accepted
time: 5ms
memory: 11788kb

input:

20 100
4 13 20 8 1 18 19 9 17 5 12 7 11 16 6 3 15 10 14 2
4 19
1 6
6 19
4 6
2 17
1 5
11 13
1 15
9 17
9 15
7 20
3 19
10 19
1 10
11 17
10 17
2 18
17 20
12 19
1 3
5 17
7 13
6 18
10 20
1 6
2 17
5 9
4 13
11 13
2 20
7 13
12 17
5 19
17 20
11 19
3 15
3 5
5 11
1 17
10 15
16 20
1 6
2 19
4 12
5 18
9 17
3 6
12 ...

output:

76
16
57
3
84
10
3
74
31
19
59
80
40
44
16
26
94
5
26
2
54
17
53
44
16
84
8
32
3
106
17
12
68
5
30
48
2
16
102
14
9
16
98
28
64
31
6
1
54
20
26
31
74
5
26
3
66
32
36
59
1
26
6
33
35
5
57
1
1
57
24
6
10
68
36
41
34
0
12
8
11
2
62
12
41
10
5
25
0
60
0
44
25
12
8
2
16
36
8
1

result:

ok 100 numbers

Test #8:

score: 0
Accepted
time: 0ms
memory: 11860kb

input:

20 228
7 3 17 10 16 11 19 5 1 13 20 18 14 2 8 4 6 9 12 15
7 20
2 20
10 13
14 19
1 9
12 20
17 19
9 20
10 12
14 17
4 15
7 16
5 12
13 16
16 18
7 18
1 11
7 17
2 20
6 8
9 17
12 18
7 18
3 4
7 13
1 4
6 12
6 10
3 17
3 4
5 14
7 13
9 20
6 20
2 4
14 17
17 20
1 7
19 20
4 20
14 15
12 16
4 6
4 15
10 11
2 16
2 20
...

output:

66
136
5
9
32
30
2
42
3
5
62
40
28
5
2
50
44
44
136
3
20
14
50
1
16
5
18
10
74
1
44
16
42
90
3
5
3
13
1
108
1
6
3
62
1
94
136
3
14
42
3
80
26
6
54
7
26
26
31
1
74
38
15
14
52
26
14
6
4
7
3
2
70
13
2
44
6
76
26
90
1
66
108
0
28
16
132
18
7
3
14
48
7
15
1
8
9
22
9
18
36
5
70
44
42
3
1
42
0
3
3
8
3
62
...

result:

ok 228 numbers

Test #9:

score: 0
Accepted
time: 2ms
memory: 11740kb

input:

20 322
3 11 4 1 9 19 7 12 5 17 8 15 10 18 13 2 20 16 14 6
8 14
6 6
3 17
3 16
9 18
7 17
12 13
4 14
12 18
6 13
8 9
3 17
7 20
12 16
10 15
12 16
12 14
16 19
6 7
18 20
6 16
7 14
5 19
12 13
3 14
10 15
11 18
12 20
8 9
1 13
17 18
1 18
4 19
4 9
5 19
4 5
1 2
10 17
11 19
7 14
15 20
20 20
4 7
12 15
7 17
3 13
7 ...

output:

19
0
91
80
37
39
1
48
21
23
1
91
81
10
13
10
3
5
1
2
44
23
87
1
50
13
25
37
1
58
1
119
99
14
87
1
1
21
33
23
15
0
6
7
39
42
36
1
91
3
107
25
1
44
1
0
10
7
1
1
55
3
10
2
34
91
1
51
26
25
75
1
1
18
79
13
1
80
21
16
5
3
0
18
3
7
63
63
66
3
0
5
17
0
21
10
1
3
5
1
6
35
41
29
59
43
21
0
45
3
6
75
1
103
0
...

result:

ok 322 numbers

Test #10:

score: -100
Runtime Error

input:

20 1000
16 6 17 1 12 11 5 8 10 19 4 18 2 9 14 7 15 3 20 13
1 6
8 9
9 11
5 18
3 20
2 9
17 18
12 12
12 20
5 17
1 8
10 10
2 9
17 19
1 7
7 15
12 19
2 7
9 14
2 14
1 4
15 17
11 19
2 5
3 12
11 14
11 14
13 17
7 8
9 18
2 11
8 11
1 4
4 8
12 13
12 19
7 16
12 16
11 15
5 9
5 18
2 19
11 15
1 15
4 20
4 9
5 14
5 19...

output:


result: