oj.uz

답안 #315988

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
315988 2020-10-24T17:03:29 Z JovanK26 운세 보기 2 (JOI14_fortune_telling2) C++14
35 / 100
 191 ms 31096 KB 
#include <bits/stdc++.h>

using namespace std;
long long n,k,sz;
long long a[200050];
long long b[200050];
long long t[200050];
long long bit[200050];
long long comp[600150];
pair<long long,long long> pos[200050];
vector<long long> v[800250];
void insrt(long long start,long long val,long long i,long long j,long long l,long long r)
{
    if(i==l && j==r)
    {
        v[start].push_back(val);
        return;
    }
    long long 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(long long start,long long j,long long tt,long long l,long long r)
{
    for(long long 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;
    long long m=(l+r)/2;
    if(tt<m)check(2*start,j,tt,l,m);
    else
    {
       check(2*start+1,j,tt,m,r);
    }
    return;
}
void update(long long x)
{
    while(x<=sz)
    {
        bit[x]++;
        x+=x & -x;
    }
}
long long sum(long long x)
{
    long long 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);
    //ifstream fin("03-01.txt");
    //ofstream fout("01out.txt");
    cin >> n >> k;
    long long ind=0;
    for(long long i=0;i<n;i++)
    {
        cin >> a[i] >> b[i];
        comp[ind++]=a[i];
        comp[ind++]=b[i];
    }
    for(long long i=0;i<k;i++)
    {
        cin >> t[i];
        comp[ind++]=t[i];
    }
    sort(comp,comp+ind);
    sz=unique(comp,comp+ind)-comp;
    for(long long 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(long long 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);
    long long cur=k-1;
    long long br=0;
    long long rez=0;
    for(long long i=0;i<n;i++)
    {
        while(cur>pos[i].first)
        {
           update(t[cur--]+1);
           br++;
        }
        long long p=pos[i].second;
        long long num=(br-sum(b[p]))%2;
        long long st=cur>=0 ? (a[p]<b[p] ? 1 : 0) : 0;
        rez+=comp[(st + num)%2 ? b[p] : a[p]];
    }
    cout << rez;
    return 0;
}

Compilation message

fortune_telling2.cpp: In function 'void check(long long int, long long int, long long int, long long int, long long int)':
fortune_telling2.cpp:25:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(long long i=0;i<v[start].size();i++)
      |                       ~^~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 19200 KB Output is correct
2 Correct 14 ms 19328 KB Output is correct
3 Correct 15 ms 19456 KB Output is correct
4 Correct 15 ms 19456 KB Output is correct
5 Correct 15 ms 19456 KB Output is correct
6 Correct 15 ms 19456 KB Output is correct
7 Correct 15 ms 19328 KB Output is correct
8 Correct 15 ms 19456 KB Output is correct
9 Correct 15 ms 19328 KB Output is correct
10 Correct 16 ms 19328 KB Output is correct
11 Correct 15 ms 19328 KB Output is correct
12 Correct 15 ms 19328 KB Output is correct
13 Correct 16 ms 19328 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 19200 KB Output is correct
2 Correct 14 ms 19328 KB Output is correct
3 Correct 15 ms 19456 KB Output is correct
4 Correct 15 ms 19456 KB Output is correct
5 Correct 15 ms 19456 KB Output is correct
6 Correct 15 ms 19456 KB Output is correct
7 Correct 15 ms 19328 KB Output is correct
8 Correct 15 ms 19456 KB Output is correct
9 Correct 15 ms 19328 KB Output is correct
10 Correct 16 ms 19328 KB Output is correct
11 Correct 15 ms 19328 KB Output is correct
12 Correct 15 ms 19328 KB Output is correct
13 Correct 16 ms 19328 KB Output is correct
14 Correct 41 ms 22008 KB Output is correct
15 Correct 77 ms 25004 KB Output is correct
16 Correct 117 ms 28024 KB Output is correct
17 Correct 161 ms 31096 KB Output is correct
18 Correct 168 ms 31096 KB Output is correct
19 Correct 158 ms 30712 KB Output is correct
20 Correct 161 ms 30328 KB Output is correct
21 Correct 141 ms 29552 KB Output is correct
22 Correct 98 ms 30068 KB Output is correct
23 Correct 90 ms 28152 KB Output is correct
24 Correct 88 ms 28792 KB Output is correct
25 Correct 94 ms 29684 KB Output is correct
26 Correct 88 ms 25976 KB Output is correct
27 Correct 105 ms 26360 KB Output is correct
28 Correct 100 ms 27868 KB Output is correct
29 Correct 89 ms 23928 KB Output is correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 19200 KB Output is correct
2 Correct 14 ms 19328 KB Output is correct
3 Correct 15 ms 19456 KB Output is correct
4 Correct 15 ms 19456 KB Output is correct
5 Correct 15 ms 19456 KB Output is correct
6 Correct 15 ms 19456 KB Output is correct
7 Correct 15 ms 19328 KB Output is correct
8 Correct 15 ms 19456 KB Output is correct
9 Correct 15 ms 19328 KB Output is correct
10 Correct 16 ms 19328 KB Output is correct
11 Correct 15 ms 19328 KB Output is correct
12 Correct 15 ms 19328 KB Output is correct
13 Correct 16 ms 19328 KB Output is correct
14 Correct 41 ms 22008 KB Output is correct
15 Correct 77 ms 25004 KB Output is correct
16 Correct 117 ms 28024 KB Output is correct
17 Correct 161 ms 31096 KB Output is correct
18 Correct 168 ms 31096 KB Output is correct
19 Correct 158 ms 30712 KB Output is correct
20 Correct 161 ms 30328 KB Output is correct
21 Correct 141 ms 29552 KB Output is correct
22 Correct 98 ms 30068 KB Output is correct
23 Correct 90 ms 28152 KB Output is correct
24 Correct 88 ms 28792 KB Output is correct
25 Correct 94 ms 29684 KB Output is correct
26 Correct 88 ms 25976 KB Output is correct
27 Correct 105 ms 26360 KB Output is correct
28 Correct 100 ms 27868 KB Output is correct
29 Correct 89 ms 23928 KB Output is correct
30 Incorrect 191 ms 27128 KB Output isn't correct
31 Halted 0 ms 0 KB -