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Submission #466496

# Submission time Handle Problem Language Result Execution time Memory
466496 2021-08-19T13:16:20 Z stefantaga Fortune Telling 2 (JOI14_fortune_telling2) C++14
35 / 100
 317 ms 21320 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 4 ms 5196 KB Output is correct
3 Correct 5 ms 5196 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 5196 KB Output is correct
8 Correct 5 ms 5196 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 5188 KB Output is correct
12 Correct 5 ms 5196 KB Output is correct
13 Correct 5 ms 5148 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 4 ms 5196 KB Output is correct
3 Correct 5 ms 5196 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 5196 KB Output is correct
8 Correct 5 ms 5196 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 5188 KB Output is correct
12 Correct 5 ms 5196 KB Output is correct
13 Correct 5 ms 5148 KB Output is correct
14 Correct 30 ms 7328 KB Output is correct
15 Correct 62 ms 9648 KB Output is correct
16 Correct 115 ms 11920 KB Output is correct
17 Correct 132 ms 14276 KB Output is correct
18 Correct 150 ms 14408 KB Output is correct
19 Correct 144 ms 14368 KB Output is correct
20 Correct 131 ms 14324 KB Output is correct
21 Correct 140 ms 14360 KB Output is correct
22 Correct 101 ms 11588 KB Output is correct
23 Correct 83 ms 10076 KB Output is correct
24 Correct 82 ms 9020 KB Output is correct
25 Correct 114 ms 12344 KB Output is correct
26 Correct 105 ms 10872 KB Output is correct
27 Correct 108 ms 11532 KB Output is correct
28 Correct 92 ms 11480 KB Output is correct
29 Correct 111 ms 12984 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 4 ms 5196 KB Output is correct
3 Correct 5 ms 5196 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 5196 KB Output is correct
8 Correct 5 ms 5196 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 5188 KB Output is correct
12 Correct 5 ms 5196 KB Output is correct
13 Correct 5 ms 5148 KB Output is correct
14 Correct 30 ms 7328 KB Output is correct
15 Correct 62 ms 9648 KB Output is correct
16 Correct 115 ms 11920 KB Output is correct
17 Correct 132 ms 14276 KB Output is correct
18 Correct 150 ms 14408 KB Output is correct
19 Correct 144 ms 14368 KB Output is correct
20 Correct 131 ms 14324 KB Output is correct
21 Correct 140 ms 14360 KB Output is correct
22 Correct 101 ms 11588 KB Output is correct
23 Correct 83 ms 10076 KB Output is correct
24 Correct 82 ms 9020 KB Output is correct
25 Correct 114 ms 12344 KB Output is correct
26 Correct 105 ms 10872 KB Output is correct
27 Correct 108 ms 11532 KB Output is correct
28 Correct 92 ms 11480 KB Output is correct
29 Correct 111 ms 12984 KB Output is correct
30 Incorrect 317 ms 21320 KB Output isn't correct
31 Halted 0 ms 0 KB -