oj.uz

Submission #315971

# Submission time Handle Problem Language Result Execution time Memory
315971 2020-10-24T15:33:24 Z JovanK26 Fortune Telling 2 (JOI14_fortune_telling2) C++14
35 / 100
 172 ms 48120 KB 
#include <bits/stdc++.h>

using namespace std;
int n,k,sz;
int a[300000];
int b[300000];
int t[300000];
int bit[300000];
int comp[700000];
pair<int,int> pos[300000];
vector<int> v[900000];
void insrt(int start,int val,int i,int j,int l,int r)
{
    if(i==l && j==r)
    {
        v[start].push_back(val);
        return;
    }
    int m=(l+r)/2;
    if(i<m)insrt(2*start,val,i,min(j,m),l,m);
    if(j>m)insrt(2*start+1,val,max(i,m),j,m,r);
}
void check(int start,int j,int tt,int l,int r)
{
    for(int i=0;i<v[start].size();i++)
    {
        if(pos[v[start][i]].first<0)
        {
            pos[v[start][i]].first=j;
        }
    }
    v[start].clear();
    if(r-l==1)return;
    int m=(l+r)/2;
    if(tt<m)check(2*start,j,tt,l,m);
    else
    {
       check(2*start+1,j,tt,m,r);
    }
}
void update(int x)
{
    while(x<=sz)
    {
        bit[x]++;
        x+=x&(-x);
    }
}
int sum(int x)
{
    int rez=0;
    while(x>0)
    {
        rez+=bit[x];
        x-=x&(-x);
    }
    return rez;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> k;
    int ind=0;
    for(int i=0;i<n;i++)
    {
        cin >> a[i] >> b[i];
        comp[ind++]=a[i];
        comp[ind++]=b[i];
    }
    for(int i=0;i<k;i++)
    {
        cin >> t[i];
        comp[ind++]=t[i];
    }
    sort(comp,comp+ind);
    sz=unique(comp,comp+ind)-comp;
    for(int i=0;i<n;i++)
    {
        a[i]=lower_bound(comp,comp+sz,a[i])-comp;
        b[i]=lower_bound(comp,comp+sz,b[i])-comp;
        pos[i]=make_pair(-1,i);
        insrt(1,i,min(a[i],b[i]),max(a[i],b[i]),0,sz);
    }
    for(int i=k-1;i>=0;i--)
    {
        t[i]=lower_bound(comp,comp+sz,t[i])-comp;
        check(1,i,t[i],0,sz);
    }
    sort(pos,pos+n);
    reverse(pos,pos+n);
    int cur=k-1;
    int br=0;
    long long rez=0;
    for(int i=0;i<n;i++)
    {
        while(cur>pos[i].first)
        {
           update(t[cur--]+1);
           br++;
        }
        int p=pos[i].second;
        int num=(br-sum(b[p]))%2;
        int beg=1;
        if(cur<0)beg=0;
        else
        {
            beg=a[p]<b[p];
        }
        int fin=a[p];
        if((num+beg)%2)
        {
            fin=b[p];
        }
        rez+=comp[fin];
    }
    cout << rez;
    return 0;
}

Compilation message

fortune_telling2.cpp: In function 'void check(int, int, int, int, int)':
fortune_telling2.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i=0;i<v[start].size();i++)
      |                 ~^~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 21504 KB Output is correct
2 Correct 16 ms 21632 KB Output is correct
3 Correct 16 ms 21760 KB Output is correct
4 Correct 17 ms 21632 KB Output is correct
5 Correct 16 ms 21632 KB Output is correct
6 Correct 18 ms 21632 KB Output is correct
7 Correct 16 ms 21632 KB Output is correct
8 Correct 17 ms 21632 KB Output is correct
9 Correct 16 ms 21632 KB Output is correct
10 Correct 16 ms 21632 KB Output is correct
11 Correct 16 ms 21632 KB Output is correct
12 Correct 16 ms 21632 KB Output is correct
13 Correct 16 ms 21632 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 21504 KB Output is correct
2 Correct 16 ms 21632 KB Output is correct
3 Correct 16 ms 21760 KB Output is correct
4 Correct 17 ms 21632 KB Output is correct
5 Correct 16 ms 21632 KB Output is correct
6 Correct 18 ms 21632 KB Output is correct
7 Correct 16 ms 21632 KB Output is correct
8 Correct 17 ms 21632 KB Output is correct
9 Correct 16 ms 21632 KB Output is correct
10 Correct 16 ms 21632 KB Output is correct
11 Correct 16 ms 21632 KB Output is correct
12 Correct 16 ms 21632 KB Output is correct
13 Correct 16 ms 21632 KB Output is correct
14 Correct 38 ms 23288 KB Output is correct
15 Correct 72 ms 25208 KB Output is correct
16 Correct 111 ms 27212 KB Output is correct
17 Correct 151 ms 29180 KB Output is correct
18 Correct 148 ms 29176 KB Output is correct
19 Correct 147 ms 28920 KB Output is correct
20 Correct 146 ms 28920 KB Output is correct
21 Correct 137 ms 27900 KB Output is correct
22 Correct 94 ms 28152 KB Output is correct
23 Correct 84 ms 27156 KB Output is correct
24 Correct 89 ms 27640 KB Output is correct
25 Correct 91 ms 27896 KB Output is correct
26 Correct 88 ms 25464 KB Output is correct
27 Correct 103 ms 25720 KB Output is correct
28 Correct 96 ms 26616 KB Output is correct
29 Correct 91 ms 24696 KB Output is correct

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 21504 KB Output is correct
2 Correct 16 ms 21632 KB Output is correct
3 Correct 16 ms 21760 KB Output is correct
4 Correct 17 ms 21632 KB Output is correct
5 Correct 16 ms 21632 KB Output is correct
6 Correct 18 ms 21632 KB Output is correct
7 Correct 16 ms 21632 KB Output is correct
8 Correct 17 ms 21632 KB Output is correct
9 Correct 16 ms 21632 KB Output is correct
10 Correct 16 ms 21632 KB Output is correct
11 Correct 16 ms 21632 KB Output is correct
12 Correct 16 ms 21632 KB Output is correct
13 Correct 16 ms 21632 KB Output is correct
14 Correct 38 ms 23288 KB Output is correct
15 Correct 72 ms 25208 KB Output is correct
16 Correct 111 ms 27212 KB Output is correct
17 Correct 151 ms 29180 KB Output is correct
18 Correct 148 ms 29176 KB Output is correct
19 Correct 147 ms 28920 KB Output is correct
20 Correct 146 ms 28920 KB Output is correct
21 Correct 137 ms 27900 KB Output is correct
22 Correct 94 ms 28152 KB Output is correct
23 Correct 84 ms 27156 KB Output is correct
24 Correct 89 ms 27640 KB Output is correct
25 Correct 91 ms 27896 KB Output is correct
26 Correct 88 ms 25464 KB Output is correct
27 Correct 103 ms 25720 KB Output is correct
28 Correct 96 ms 26616 KB Output is correct
29 Correct 91 ms 24696 KB Output is correct
30 Correct 172 ms 26360 KB Output is correct
31 Runtime error 107 ms 48120 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -