oj.uz

Submission #466495

# Submission time Handle Problem Language Result Execution time Memory
466495 2021-08-19T13:15:44 Z stefantaga Fortune Telling 2 (JOI14_fortune_telling2) C++14
35 / 100
 374 ms 23560 KB 
#include <bits/stdc++.h>

using namespace std;
int n,m,i,nr[400005],st,dr,sol,mij,solfin[200005],ceau[200005],arb[1600005];
struct wow
{
    int x,y;
} v[400005];
map <int,int> m2;
pair <int,int> sal[400005];
void update (int st,int dr,int nod,int poz,int val)
{
    if (st==dr)
    {
        arb[nod]=val;
        return;
    }
    int mij=(st+dr)/2;
    if (poz<=mij)
    {
        update(st,mij,2*nod,poz,val);
    }
    else
    {
        update(mij+1,dr,2*nod+1,poz,val);
    }
    arb[nod]=max(arb[2*nod],arb[2*nod+1]);
}
int query(int st,int dr,int nod,int ua,int ub)
{
    if (ua<=st&&dr<=ub)
    {
        return arb[nod];
    }
    int r1=0,r2=0,mij=(st+dr)/2;
    if (ua<=mij)
    {
        r1=query(st,mij,2*nod,ua,ub);
    }
    if (mij<ub)
    {
        r2=query(mij+1,dr,2*nod+1,ua,ub);
    }
    return max(r1,r2);
}
int ub(int x)
{
    return x&(-x);
}
int aib[400005],nr2;
void upd(int x,int val)
{
    int i;
    for (i=x; i<=nr2; i+=ub(i))
    {
        aib[i]+=val;
    }
}
int suma(int poz)
{
    int i,sumi=0;
    for (i=poz; i>=1; i-=ub(i))
    {
        sumi=sumi+aib[i];
    }
    return sumi;
}
int inv[200005];
vector <int> ev[200005];
int main()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(0);
#ifdef HOME
    ifstream cin("date.in");
    ofstream cout("date.out");
#endif // HOME
    cin>>n>>m;
    for (i=1; i<=n; i++)
    {
        cin>>v[i].x>>v[i].y;
        m2[v[i].x]=1;
        m2[v[i].y]=1;
    }
    for (i=1; i<=m; i++)
    {
        cin>>nr[i];
        m2[nr[i]]=1;
    }
    nr2=0;
    for (auto ind: m2)
    {
        nr2++;
        inv[nr2]=ind.first;
        m2[ind.first]=nr2;
    }
    for (i=1; i<=n; i++)
    {
        v[i].x=m2[v[i].x];
        v[i].y=m2[v[i].y];
    }
    for (i=1; i<=m; i++)
    {
        nr[i]=m2[nr[i]];
    }
    for (i=1; i<=m; i++)
    {
        update(1,nr2,1,nr[i],i);
    }
    for (i=1; i<=n; i++)
    {
        st=min(v[i].x,v[i].y);
        dr=max(v[i].x,v[i].y);
        if (st<dr)
        {
            ceau[i]=query(1,nr2,1,st,dr-1);
        }
    }
    for (i=1; i<=4*nr2; i++)
    {
        arb[i]=0;
    }
    for (i=1; i<=n; i++)
    {
        ev[ceau[i]].push_back(i);
    }
    long long sum=0;
    for (i=m; i>=1; i--)
    {
        for (int j=0; j<ev[i].size(); j++)
        {
            int nod=ev[i][j];
            int dr=max(v[nod].x,v[nod].y);
            int valu=suma(nr2)-suma(dr-1);
            if (valu%2==0)
            {
                sum=sum+max(inv[v[nod].x],inv[v[nod].y]);
            }
            else
            {
                sum=sum+min(inv[v[nod].x],inv[v[nod].y]);
            }
        }
        if (i!=0)
        {
            upd(nr[i],1);
        }
    }
    for (int j=0; j<ev[0].size(); j++)
    {
        int nod=ev[0][j];
        int dr=max(v[nod].x,v[nod].y);
        int valu=suma(nr2)-suma(dr-1);
        if (v[nod].x==min(v[nod].x,v[nod].y))
        {
            if (valu%2==1)
            {
                sum=sum+max(inv[v[nod].x],inv[v[nod].y]);
            }
            else
            {
                sum=sum+min(inv[v[nod].x],inv[v[nod].y]);
            }
        }
        else
        {
            if (valu%2==0)
            {
                sum=sum+max(inv[v[nod].x],inv[v[nod].y]);
            }
            else
            {
                sum=sum+min(inv[v[nod].x],inv[v[nod].y]);
            }
        }
    }
    cout<<sum;
    return 0;
}

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:130:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  130 |         for (int j=0; j<ev[i].size(); j++)
      |                       ~^~~~~~~~~~~~~
fortune_telling2.cpp:149:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  149 |     for (int j=0; j<ev[0].size(); j++)
      |                   ~^~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5068 KB Output is correct
2 Correct 5 ms 5224 KB Output is correct
3 Correct 5 ms 5312 KB Output is correct
4 Correct 5 ms 5196 KB Output is correct
5 Correct 5 ms 5196 KB Output is correct
6 Correct 5 ms 5196 KB Output is correct
7 Correct 5 ms 5324 KB Output is correct
8 Correct 5 ms 5324 KB Output is correct
9 Correct 5 ms 5196 KB Output is correct
10 Correct 4 ms 5068 KB Output is correct
11 Correct 5 ms 5196 KB Output is correct
12 Correct 5 ms 5196 KB Output is correct
13 Correct 6 ms 5172 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5068 KB Output is correct
2 Correct 5 ms 5224 KB Output is correct
3 Correct 5 ms 5312 KB Output is correct
4 Correct 5 ms 5196 KB Output is correct
5 Correct 5 ms 5196 KB Output is correct
6 Correct 5 ms 5196 KB Output is correct
7 Correct 5 ms 5324 KB Output is correct
8 Correct 5 ms 5324 KB Output is correct
9 Correct 5 ms 5196 KB Output is correct
10 Correct 4 ms 5068 KB Output is correct
11 Correct 5 ms 5196 KB Output is correct
12 Correct 5 ms 5196 KB Output is correct
13 Correct 6 ms 5172 KB Output is correct
14 Correct 29 ms 7604 KB Output is correct
15 Correct 61 ms 10216 KB Output is correct
16 Correct 98 ms 12876 KB Output is correct
17 Correct 156 ms 15428 KB Output is correct
18 Correct 133 ms 15528 KB Output is correct
19 Correct 151 ms 15428 KB Output is correct
20 Correct 152 ms 15444 KB Output is correct
21 Correct 150 ms 15428 KB Output is correct
22 Correct 98 ms 12132 KB Output is correct
23 Correct 87 ms 10752 KB Output is correct
24 Correct 77 ms 9636 KB Output is correct
25 Correct 105 ms 13040 KB Output is correct
26 Correct 92 ms 11900 KB Output is correct
27 Correct 116 ms 12612 KB Output is correct
28 Correct 95 ms 12704 KB Output is correct
29 Correct 114 ms 14148 KB Output is correct

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5068 KB Output is correct
2 Correct 5 ms 5224 KB Output is correct
3 Correct 5 ms 5312 KB Output is correct
4 Correct 5 ms 5196 KB Output is correct
5 Correct 5 ms 5196 KB Output is correct
6 Correct 5 ms 5196 KB Output is correct
7 Correct 5 ms 5324 KB Output is correct
8 Correct 5 ms 5324 KB Output is correct
9 Correct 5 ms 5196 KB Output is correct
10 Correct 4 ms 5068 KB Output is correct
11 Correct 5 ms 5196 KB Output is correct
12 Correct 5 ms 5196 KB Output is correct
13 Correct 6 ms 5172 KB Output is correct
14 Correct 29 ms 7604 KB Output is correct
15 Correct 61 ms 10216 KB Output is correct
16 Correct 98 ms 12876 KB Output is correct
17 Correct 156 ms 15428 KB Output is correct
18 Correct 133 ms 15528 KB Output is correct
19 Correct 151 ms 15428 KB Output is correct
20 Correct 152 ms 15444 KB Output is correct
21 Correct 150 ms 15428 KB Output is correct
22 Correct 98 ms 12132 KB Output is correct
23 Correct 87 ms 10752 KB Output is correct
24 Correct 77 ms 9636 KB Output is correct
25 Correct 105 ms 13040 KB Output is correct
26 Correct 92 ms 11900 KB Output is correct
27 Correct 116 ms 12612 KB Output is correct
28 Correct 95 ms 12704 KB Output is correct
29 Correct 114 ms 14148 KB Output is correct
30 Incorrect 374 ms 23560 KB Output isn't correct
31 Halted 0 ms 0 KB -