oj.uz

답안 #121494

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
121494 2019-06-26T14:40:52 Z baqargam 열대 식물원 (Tropical Garden) (IOI11_garden) C++14
69 / 100
 5000 ms 28468 KB 
#include<bits/stdc++.h>
#include "garden.h"
#include "gardenlib.h"

using namespace std;

int a,k,n,m,q,p,v1[300005],sz,sz1,sz2,st,ch,res;
bool fx[300005];
vector<pair<int,int> >v[150005];
vector<int>rv[300005];

void cch(int x,int dis,int st){
    for(vector<int> :: iterator it=rv[x].begin();it!=rv[x].end();it++){
        if(*it==st) {sz=dis+1;return;}
        cch(*it,dis+1,st);
    }
}

void dfs(int x,int dis,int st){
    if(k<dis) return;
    //cout<<st<<" "<<x<<" "<<dis<<" "<<k<<" "<<sz<<endl;
    if((x&1)==0 && abs(k-dis)%sz==0)
    {
        res+=(1^fx[x]);
        fx[x]=1;
    }
    for(vector<int> :: iterator it=rv[x].begin();it!=rv[x].end();it++){
        if(*it==st) continue;
        dfs(*it,dis+1,st);
    }
}

void count_routes(int N, int M, int P, int R[][2], int Q, int G[])
{
    int n=N,m=M,p=P;
    for(int i=0;i<m;i++){///grafi1
        v[R[i][0]].push_back({i,R[i][1]});
        v[R[i][1]].push_back({i,R[i][0]});
    }
    for(int i=0;i<n;i++){
        sort(v[i].begin(),v[i].end());
    }
    for(int i=0;i<n;i++){///grafi2
        if(v[i].size()==1)
        {
            int to=v[i][0].second;
            int val=v[i][0].first;
            if(v[to][0].first==val)
                v1[2*i+1]=2*to+1;
            else
                v1[2*i+1]=2*to;

            if(v[to][0].first==val)
                v1[2*i]=2*to+1;
            else
                v1[2*i]=2*to;
        }
        else
        {
            int to=v[i][0].second;
            int val=v[i][0].first;
//            cout<<i<<" "<<to<<" "<<val<<" "<<v[to][0].first<<endl;
            if(v[to][0].first==val)
                v1[2*i]=2*to+1;
            else
                v1[2*i]=2*to;

            to=v[i][1].second;
            val=v[i][1].first;
//            cout<<i<<" "<<to<<" "<<val<<" "<<v[to][0].first<<endl;
            if(v[to][0].first==val)
                v1[2*i+1]=2*to+1;
            else
                v1[2*i+1]=2*to;

        }
    }

    for(int i=0;i<2*n;i++){
        //cout<<i<<" "<<v1[i]<<endl;
        rv[v1[i]].push_back(i);
    }


    sz=1000000003;cch(2*p,0,2*p);sz1=sz;
    sz=1000000003;cch(2*p+1,0,2*p+1);sz2=sz;

    for(int i=0; i<Q; i++)
    {
        k=G[i];
        for(int j=0;j<2*n;j++)
            fx[j]=0;
        res=0;
        sz=sz1;dfs(2*p,0,2*p);
        sz=sz2;dfs(2*p+1,0,2*p+1);
        answer(res);
    }
}

Subtask #1
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 11000 KB Output is correct
2 Correct 12 ms 10996 KB Output is correct
3 Correct 12 ms 11000 KB Output is correct
4 Correct 11 ms 10872 KB Output is correct
5 Correct 14 ms 10972 KB Output is correct
6 Correct 11 ms 11100 KB Output is correct
7 Correct 12 ms 10944 KB Output is correct
8 Correct 12 ms 11000 KB Output is correct
9 Correct 14 ms 11256 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 11000 KB Output is correct
2 Correct 12 ms 10996 KB Output is correct
3 Correct 12 ms 11000 KB Output is correct
4 Correct 11 ms 10872 KB Output is correct
5 Correct 14 ms 10972 KB Output is correct
6 Correct 11 ms 11100 KB Output is correct
7 Correct 12 ms 10944 KB Output is correct
8 Correct 12 ms 11000 KB Output is correct
9 Correct 14 ms 11256 KB Output is correct
10 Correct 12 ms 10872 KB Output is correct
11 Correct 25 ms 13168 KB Output is correct
12 Correct 44 ms 14712 KB Output is correct
13 Correct 76 ms 28352 KB Output is correct
14 Correct 139 ms 23052 KB Output is correct
15 Correct 209 ms 23364 KB Output is correct
16 Correct 154 ms 20584 KB Output is correct
17 Correct 144 ms 19632 KB Output is correct
18 Correct 45 ms 14700 KB Output is correct
19 Correct 139 ms 22972 KB Output is correct
20 Correct 194 ms 23376 KB Output is correct
21 Correct 154 ms 20576 KB Output is correct
22 Correct 157 ms 19756 KB Output is correct
23 Correct 156 ms 24208 KB Output is correct

Subtask #3
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 11000 KB Output is correct
2 Correct 12 ms 10996 KB Output is correct
3 Correct 12 ms 11000 KB Output is correct
4 Correct 11 ms 10872 KB Output is correct
5 Correct 14 ms 10972 KB Output is correct
6 Correct 11 ms 11100 KB Output is correct
7 Correct 12 ms 10944 KB Output is correct
8 Correct 12 ms 11000 KB Output is correct
9 Correct 14 ms 11256 KB Output is correct
10 Correct 12 ms 10872 KB Output is correct
11 Correct 25 ms 13168 KB Output is correct
12 Correct 44 ms 14712 KB Output is correct
13 Correct 76 ms 28352 KB Output is correct
14 Correct 139 ms 23052 KB Output is correct
15 Correct 209 ms 23364 KB Output is correct
16 Correct 154 ms 20584 KB Output is correct
17 Correct 144 ms 19632 KB Output is correct
18 Correct 45 ms 14700 KB Output is correct
19 Correct 139 ms 22972 KB Output is correct
20 Correct 194 ms 23376 KB Output is correct
21 Correct 154 ms 20576 KB Output is correct
22 Correct 157 ms 19756 KB Output is correct
23 Correct 156 ms 24208 KB Output is correct
24 Correct 13 ms 10972 KB Output is correct
25 Correct 188 ms 13180 KB Output is correct
26 Correct 206 ms 14792 KB Output is correct
27 Execution timed out 5057 ms 28468 KB Time limit exceeded
28 Halted 0 ms 0 KB -