#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
const int nmax=1000*1000+5;
vector<int> l[nmax],v[nmax];
int pr[nmax];
int a[nmax],simple[nmax],duble[nmax],comb[nmax],ans[nmax];
int n,m,i,j,nr,pnt;
int check(int a,int b)
{
return n-(simple[a]+simple[b]+2*duble[a]+2*duble[b]-comb[b]);
}
void solve(int st,int dr)
{
if(st>dr)
return;
for(i=1;i<=m;i++)
v[i].clear(),simple[i]=duble[i]=0;
for(i=1;i<=n;i++)
l[i].clear();
for(i=st;i<dr;i+=2)
{
if(a[i]!=a[i+1])
{
v[a[i]].push_back(a[i+1]);
v[a[i+1]].push_back(a[i]);
}
if(a[i]==a[i+1]) duble[a[i]]++;
else simple[a[i]]++,simple[a[i+1]]++;
}
if(st>1) simple[a[st-1]]++;
if(dr<n) simple[a[dr+1]]++;
nr=0;
for(i=1;i<=m;i++)
l[2*duble[i]+simple[i]].push_back(i);
for(i=1;i<=n;i++)
for(j=0;j<l[i].size();j++)
pr[++nr]=l[i][j];
for(i=1;i<=m;i++)
{
for(j=0;j<v[i].size();j++)
comb[v[i][j]]++;
for(j=0;j<v[i].size();j++)
ans[i]=min(check(i,v[i][j]),ans[i]);
if(i!=a[1])
ans[i]=min(check(i,a[1]),ans[i]);
if(i!=a[n])
ans[i]=min(check(i,a[n]),ans[i]);
pnt=m;
while(pnt>0&&(comb[pr[pnt]]||pr[pnt]==i))
pnt--;
if(pnt)
ans[i]=min(check(i,pr[pnt]),ans[i]);
for(j=0;j<v[i].size();j++)
comb[v[i][j]]--;
}
}
int main()
{
//freopen("data.in","r",stdin);
cin>>n>>m;
for(i=1;i<=m;i++)
ans[i]=n;
for(i=1;i<=n;i++)
{
cin>>a[i];
//ans[a[i]]--;
}
solve(1,n-n%2);
solve(2,n-1+n%2);
for(i=1;i<=m;i++)
cout<<ans[i]<<'\n';
return 0;
}
Compilation message
rope.cpp: In function 'void solve(int, int)':
rope.cpp:38:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(j=0;j<l[i].size();j++)
~^~~~~~~~~~~~
rope.cpp:42:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(j=0;j<v[i].size();j++)
~^~~~~~~~~~~~
rope.cpp:44:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(j=0;j<v[i].size();j++)
~^~~~~~~~~~~~
rope.cpp:55:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(j=0;j<v[i].size();j++)
~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
47352 KB |
Output is correct |
2 |
Correct |
44 ms |
47476 KB |
Output is correct |
3 |
Correct |
44 ms |
47476 KB |
Output is correct |
4 |
Correct |
45 ms |
47504 KB |
Output is correct |
5 |
Correct |
45 ms |
47504 KB |
Output is correct |
6 |
Correct |
45 ms |
47532 KB |
Output is correct |
7 |
Correct |
44 ms |
47536 KB |
Output is correct |
8 |
Correct |
45 ms |
47540 KB |
Output is correct |
9 |
Correct |
47 ms |
47616 KB |
Output is correct |
10 |
Correct |
44 ms |
47624 KB |
Output is correct |
11 |
Correct |
50 ms |
47624 KB |
Output is correct |
12 |
Correct |
44 ms |
47624 KB |
Output is correct |
13 |
Correct |
44 ms |
47652 KB |
Output is correct |
14 |
Correct |
45 ms |
47652 KB |
Output is correct |
15 |
Correct |
45 ms |
47660 KB |
Output is correct |
16 |
Correct |
45 ms |
47664 KB |
Output is correct |
17 |
Correct |
45 ms |
47668 KB |
Output is correct |
18 |
Correct |
46 ms |
47672 KB |
Output is correct |
19 |
Correct |
47 ms |
47676 KB |
Output is correct |
20 |
Correct |
46 ms |
47680 KB |
Output is correct |
21 |
Incorrect |
45 ms |
47680 KB |
Output isn't correct |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
47352 KB |
Output is correct |
2 |
Correct |
44 ms |
47476 KB |
Output is correct |
3 |
Correct |
44 ms |
47476 KB |
Output is correct |
4 |
Correct |
45 ms |
47504 KB |
Output is correct |
5 |
Correct |
45 ms |
47504 KB |
Output is correct |
6 |
Correct |
45 ms |
47532 KB |
Output is correct |
7 |
Correct |
44 ms |
47536 KB |
Output is correct |
8 |
Correct |
45 ms |
47540 KB |
Output is correct |
9 |
Correct |
47 ms |
47616 KB |
Output is correct |
10 |
Correct |
44 ms |
47624 KB |
Output is correct |
11 |
Correct |
50 ms |
47624 KB |
Output is correct |
12 |
Correct |
44 ms |
47624 KB |
Output is correct |
13 |
Correct |
44 ms |
47652 KB |
Output is correct |
14 |
Correct |
45 ms |
47652 KB |
Output is correct |
15 |
Correct |
45 ms |
47660 KB |
Output is correct |
16 |
Correct |
45 ms |
47664 KB |
Output is correct |
17 |
Correct |
45 ms |
47668 KB |
Output is correct |
18 |
Correct |
46 ms |
47672 KB |
Output is correct |
19 |
Correct |
47 ms |
47676 KB |
Output is correct |
20 |
Correct |
46 ms |
47680 KB |
Output is correct |
21 |
Incorrect |
45 ms |
47680 KB |
Output isn't correct |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
47352 KB |
Output is correct |
2 |
Correct |
44 ms |
47476 KB |
Output is correct |
3 |
Correct |
44 ms |
47476 KB |
Output is correct |
4 |
Correct |
45 ms |
47504 KB |
Output is correct |
5 |
Correct |
45 ms |
47504 KB |
Output is correct |
6 |
Correct |
45 ms |
47532 KB |
Output is correct |
7 |
Correct |
44 ms |
47536 KB |
Output is correct |
8 |
Correct |
45 ms |
47540 KB |
Output is correct |
9 |
Correct |
47 ms |
47616 KB |
Output is correct |
10 |
Correct |
44 ms |
47624 KB |
Output is correct |
11 |
Correct |
50 ms |
47624 KB |
Output is correct |
12 |
Correct |
44 ms |
47624 KB |
Output is correct |
13 |
Correct |
44 ms |
47652 KB |
Output is correct |
14 |
Correct |
45 ms |
47652 KB |
Output is correct |
15 |
Correct |
45 ms |
47660 KB |
Output is correct |
16 |
Correct |
45 ms |
47664 KB |
Output is correct |
17 |
Correct |
45 ms |
47668 KB |
Output is correct |
18 |
Correct |
46 ms |
47672 KB |
Output is correct |
19 |
Correct |
47 ms |
47676 KB |
Output is correct |
20 |
Correct |
46 ms |
47680 KB |
Output is correct |
21 |
Incorrect |
45 ms |
47680 KB |
Output isn't correct |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
47352 KB |
Output is correct |
2 |
Correct |
44 ms |
47476 KB |
Output is correct |
3 |
Correct |
44 ms |
47476 KB |
Output is correct |
4 |
Correct |
45 ms |
47504 KB |
Output is correct |
5 |
Correct |
45 ms |
47504 KB |
Output is correct |
6 |
Correct |
45 ms |
47532 KB |
Output is correct |
7 |
Correct |
44 ms |
47536 KB |
Output is correct |
8 |
Correct |
45 ms |
47540 KB |
Output is correct |
9 |
Correct |
47 ms |
47616 KB |
Output is correct |
10 |
Correct |
44 ms |
47624 KB |
Output is correct |
11 |
Correct |
50 ms |
47624 KB |
Output is correct |
12 |
Correct |
44 ms |
47624 KB |
Output is correct |
13 |
Correct |
44 ms |
47652 KB |
Output is correct |
14 |
Correct |
45 ms |
47652 KB |
Output is correct |
15 |
Correct |
45 ms |
47660 KB |
Output is correct |
16 |
Correct |
45 ms |
47664 KB |
Output is correct |
17 |
Correct |
45 ms |
47668 KB |
Output is correct |
18 |
Correct |
46 ms |
47672 KB |
Output is correct |
19 |
Correct |
47 ms |
47676 KB |
Output is correct |
20 |
Correct |
46 ms |
47680 KB |
Output is correct |
21 |
Incorrect |
45 ms |
47680 KB |
Output isn't correct |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
47352 KB |
Output is correct |
2 |
Correct |
44 ms |
47476 KB |
Output is correct |
3 |
Correct |
44 ms |
47476 KB |
Output is correct |
4 |
Correct |
45 ms |
47504 KB |
Output is correct |
5 |
Correct |
45 ms |
47504 KB |
Output is correct |
6 |
Correct |
45 ms |
47532 KB |
Output is correct |
7 |
Correct |
44 ms |
47536 KB |
Output is correct |
8 |
Correct |
45 ms |
47540 KB |
Output is correct |
9 |
Correct |
47 ms |
47616 KB |
Output is correct |
10 |
Correct |
44 ms |
47624 KB |
Output is correct |
11 |
Correct |
50 ms |
47624 KB |
Output is correct |
12 |
Correct |
44 ms |
47624 KB |
Output is correct |
13 |
Correct |
44 ms |
47652 KB |
Output is correct |
14 |
Correct |
45 ms |
47652 KB |
Output is correct |
15 |
Correct |
45 ms |
47660 KB |
Output is correct |
16 |
Correct |
45 ms |
47664 KB |
Output is correct |
17 |
Correct |
45 ms |
47668 KB |
Output is correct |
18 |
Correct |
46 ms |
47672 KB |
Output is correct |
19 |
Correct |
47 ms |
47676 KB |
Output is correct |
20 |
Correct |
46 ms |
47680 KB |
Output is correct |
21 |
Incorrect |
45 ms |
47680 KB |
Output isn't correct |
22 |
Halted |
0 ms |
0 KB |
- |