Submission #83438

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
83438	2018-11-07T15:06:50 Z	Bodo171	Rope (JOI17_rope)	C++14	0 / 100	57 ms	47764 KB

rope

#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 comb[nmax];
int a[nmax],ap[nmax],ans[nmax];
int n,m,i,j,nr,pnt;
int check(int a,int b)
{
    return n-(ap[a]+ap[b]-comb[b]);
}
void solve(int st,int dr)
{
    if(st>dr)
        return;
    for(i=1;i<=m;i++)
        v[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]);
        }
    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];
        ap[a[i]]++;
        ans[a[i]]--;
    }
    nr=0;
    for(i=1;i<=m;i++)
        l[ap[i]].push_back(i);
    for(i=1;i<=n;i++)
        for(j=0;j<l[i].size();j++)
          pr[++nr]=l[i][j];
    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:29:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(j=0;j<v[i].size();j++)
                 ~^~~~~~~~~~~~
rope.cpp:31:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(j=0;j<v[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: In function 'int main()':
rope.cpp:62:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(j=0;j<l[i].size();j++)
                 ~^~~~~~~~~~~~

Subtask #1
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	47352 KB	Output is correct
2	Correct	44 ms	47352 KB	Output is correct
3	Correct	44 ms	47424 KB	Output is correct
4	Correct	45 ms	47448 KB	Output is correct
5	Correct	45 ms	47468 KB	Output is correct
6	Correct	47 ms	47656 KB	Output is correct
7	Correct	57 ms	47656 KB	Output is correct
8	Correct	44 ms	47656 KB	Output is correct
9	Correct	45 ms	47656 KB	Output is correct
10	Correct	53 ms	47720 KB	Output is correct
11	Correct	45 ms	47720 KB	Output is correct
12	Correct	45 ms	47720 KB	Output is correct
13	Correct	44 ms	47720 KB	Output is correct
14	Correct	44 ms	47720 KB	Output is correct
15	Correct	45 ms	47720 KB	Output is correct
16	Correct	46 ms	47764 KB	Output is correct
17	Correct	44 ms	47764 KB	Output is correct
18	Correct	45 ms	47764 KB	Output is correct
19	Correct	45 ms	47764 KB	Output is correct
20	Correct	45 ms	47764 KB	Output is correct
21	Incorrect	46 ms	47764 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #2
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	47352 KB	Output is correct
2	Correct	44 ms	47352 KB	Output is correct
3	Correct	44 ms	47424 KB	Output is correct
4	Correct	45 ms	47448 KB	Output is correct
5	Correct	45 ms	47468 KB	Output is correct
6	Correct	47 ms	47656 KB	Output is correct
7	Correct	57 ms	47656 KB	Output is correct
8	Correct	44 ms	47656 KB	Output is correct
9	Correct	45 ms	47656 KB	Output is correct
10	Correct	53 ms	47720 KB	Output is correct
11	Correct	45 ms	47720 KB	Output is correct
12	Correct	45 ms	47720 KB	Output is correct
13	Correct	44 ms	47720 KB	Output is correct
14	Correct	44 ms	47720 KB	Output is correct
15	Correct	45 ms	47720 KB	Output is correct
16	Correct	46 ms	47764 KB	Output is correct
17	Correct	44 ms	47764 KB	Output is correct
18	Correct	45 ms	47764 KB	Output is correct
19	Correct	45 ms	47764 KB	Output is correct
20	Correct	45 ms	47764 KB	Output is correct
21	Incorrect	46 ms	47764 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #3
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	47352 KB	Output is correct
2	Correct	44 ms	47352 KB	Output is correct
3	Correct	44 ms	47424 KB	Output is correct
4	Correct	45 ms	47448 KB	Output is correct
5	Correct	45 ms	47468 KB	Output is correct
6	Correct	47 ms	47656 KB	Output is correct
7	Correct	57 ms	47656 KB	Output is correct
8	Correct	44 ms	47656 KB	Output is correct
9	Correct	45 ms	47656 KB	Output is correct
10	Correct	53 ms	47720 KB	Output is correct
11	Correct	45 ms	47720 KB	Output is correct
12	Correct	45 ms	47720 KB	Output is correct
13	Correct	44 ms	47720 KB	Output is correct
14	Correct	44 ms	47720 KB	Output is correct
15	Correct	45 ms	47720 KB	Output is correct
16	Correct	46 ms	47764 KB	Output is correct
17	Correct	44 ms	47764 KB	Output is correct
18	Correct	45 ms	47764 KB	Output is correct
19	Correct	45 ms	47764 KB	Output is correct
20	Correct	45 ms	47764 KB	Output is correct
21	Incorrect	46 ms	47764 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #4
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	47352 KB	Output is correct
2	Correct	44 ms	47352 KB	Output is correct
3	Correct	44 ms	47424 KB	Output is correct
4	Correct	45 ms	47448 KB	Output is correct
5	Correct	45 ms	47468 KB	Output is correct
6	Correct	47 ms	47656 KB	Output is correct
7	Correct	57 ms	47656 KB	Output is correct
8	Correct	44 ms	47656 KB	Output is correct
9	Correct	45 ms	47656 KB	Output is correct
10	Correct	53 ms	47720 KB	Output is correct
11	Correct	45 ms	47720 KB	Output is correct
12	Correct	45 ms	47720 KB	Output is correct
13	Correct	44 ms	47720 KB	Output is correct
14	Correct	44 ms	47720 KB	Output is correct
15	Correct	45 ms	47720 KB	Output is correct
16	Correct	46 ms	47764 KB	Output is correct
17	Correct	44 ms	47764 KB	Output is correct
18	Correct	45 ms	47764 KB	Output is correct
19	Correct	45 ms	47764 KB	Output is correct
20	Correct	45 ms	47764 KB	Output is correct
21	Incorrect	46 ms	47764 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #5
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	47352 KB	Output is correct
2	Correct	44 ms	47352 KB	Output is correct
3	Correct	44 ms	47424 KB	Output is correct
4	Correct	45 ms	47448 KB	Output is correct
5	Correct	45 ms	47468 KB	Output is correct
6	Correct	47 ms	47656 KB	Output is correct
7	Correct	57 ms	47656 KB	Output is correct
8	Correct	44 ms	47656 KB	Output is correct
9	Correct	45 ms	47656 KB	Output is correct
10	Correct	53 ms	47720 KB	Output is correct
11	Correct	45 ms	47720 KB	Output is correct
12	Correct	45 ms	47720 KB	Output is correct
13	Correct	44 ms	47720 KB	Output is correct
14	Correct	44 ms	47720 KB	Output is correct
15	Correct	45 ms	47720 KB	Output is correct
16	Correct	46 ms	47764 KB	Output is correct
17	Correct	44 ms	47764 KB	Output is correct
18	Correct	45 ms	47764 KB	Output is correct
19	Correct	45 ms	47764 KB	Output is correct
20	Correct	45 ms	47764 KB	Output is correct
21	Incorrect	46 ms	47764 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Submission #83438

Compilation message

Subtask #1 0 / 15.0

Subtask #2 0 / 30.0

Subtask #3 0 / 10.0

Subtask #4 0 / 25.0

Subtask #5 0 / 20.0

Subtask #1
0 / 15.0

Subtask #2
0 / 30.0

Subtask #3
0 / 10.0

Subtask #4
0 / 25.0

Subtask #5
0 / 20.0