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Submission #315970

# Submission time Handle Problem Language Result Execution time Memory
315970 2020-10-24T15:32:11 Z JovanK26 Fortune Telling 2 (JOI14_fortune_telling2) C++14
35 / 100
 171 ms 51192 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+1,val,i,min(j,m),l,m);
    if(j>m)insrt(2*start+2,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+1,j,tt,l,m);
    else
    {
       check(2*start+2,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(0,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(0,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 21632 KB Output is correct
4 Correct 17 ms 21632 KB Output is correct
5 Correct 18 ms 21632 KB Output is correct
6 Correct 17 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 21668 KB Output is correct
10 Correct 17 ms 21632 KB Output is correct
11 Correct 16 ms 21632 KB Output is correct
12 Correct 17 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 21632 KB Output is correct
4 Correct 17 ms 21632 KB Output is correct
5 Correct 18 ms 21632 KB Output is correct
6 Correct 17 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 21668 KB Output is correct
10 Correct 17 ms 21632 KB Output is correct
11 Correct 16 ms 21632 KB Output is correct
12 Correct 17 ms 21632 KB Output is correct
13 Correct 16 ms 21632 KB Output is correct
14 Correct 39 ms 23288 KB Output is correct
15 Correct 71 ms 25208 KB Output is correct
16 Correct 114 ms 27128 KB Output is correct
17 Correct 153 ms 29304 KB Output is correct
18 Correct 151 ms 29176 KB Output is correct
19 Correct 146 ms 28972 KB Output is correct
20 Correct 143 ms 28920 KB Output is correct
21 Correct 145 ms 28024 KB Output is correct
22 Correct 95 ms 28152 KB Output is correct
23 Correct 88 ms 27128 KB Output is correct
24 Correct 84 ms 27384 KB Output is correct
25 Correct 93 ms 28088 KB Output is correct
26 Correct 88 ms 25520 KB Output is correct
27 Correct 99 ms 25724 KB Output is correct
28 Correct 97 ms 26680 KB Output is correct
29 Correct 90 ms 24568 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 21632 KB Output is correct
4 Correct 17 ms 21632 KB Output is correct
5 Correct 18 ms 21632 KB Output is correct
6 Correct 17 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 21668 KB Output is correct
10 Correct 17 ms 21632 KB Output is correct
11 Correct 16 ms 21632 KB Output is correct
12 Correct 17 ms 21632 KB Output is correct
13 Correct 16 ms 21632 KB Output is correct
14 Correct 39 ms 23288 KB Output is correct
15 Correct 71 ms 25208 KB Output is correct
16 Correct 114 ms 27128 KB Output is correct
17 Correct 153 ms 29304 KB Output is correct
18 Correct 151 ms 29176 KB Output is correct
19 Correct 146 ms 28972 KB Output is correct
20 Correct 143 ms 28920 KB Output is correct
21 Correct 145 ms 28024 KB Output is correct
22 Correct 95 ms 28152 KB Output is correct
23 Correct 88 ms 27128 KB Output is correct
24 Correct 84 ms 27384 KB Output is correct
25 Correct 93 ms 28088 KB Output is correct
26 Correct 88 ms 25520 KB Output is correct
27 Correct 99 ms 25724 KB Output is correct
28 Correct 97 ms 26680 KB Output is correct
29 Correct 90 ms 24568 KB Output is correct
30 Correct 171 ms 26360 KB Output is correct
31 Runtime error 109 ms 51192 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -