QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#18860 | #1877. Matryoshka Dolls | s8194272 | RE | 13ms | 12292kb | C++14 | 3.5kb | 2022-01-27 14:12:00 | 2022-05-06 02:57:34 |
Judging History
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...