oj.uz

답안 #121497

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
121497 2019-06-26T14:48:28 Z baqargam 열대 식물원 (Tropical Garden) (IOI11_garden) C++14
69 / 100
 5000 ms 25584 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];

inline 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);
    }
}

inline void dfs(int x,int dis,int st){
    if(k<dis) return;
    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,i;
    for(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(i=0;i<n;i++){
        sort(v[i].begin(),v[i].end());
    }
    for(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(i=0;i<2*n;i++){
        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(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 11064 KB Output is correct
2 Correct 12 ms 11072 KB Output is correct
3 Correct 12 ms 11060 KB Output is correct
4 Correct 11 ms 10872 KB Output is correct
5 Correct 12 ms 10972 KB Output is correct
6 Correct 13 ms 11128 KB Output is correct
7 Correct 12 ms 10872 KB Output is correct
8 Correct 12 ms 10940 KB Output is correct
9 Correct 15 ms 11256 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 11064 KB Output is correct
2 Correct 12 ms 11072 KB Output is correct
3 Correct 12 ms 11060 KB Output is correct
4 Correct 11 ms 10872 KB Output is correct
5 Correct 12 ms 10972 KB Output is correct
6 Correct 13 ms 11128 KB Output is correct
7 Correct 12 ms 10872 KB Output is correct
8 Correct 12 ms 10940 KB Output is correct
9 Correct 15 ms 11256 KB Output is correct
10 Correct 12 ms 10872 KB Output is correct
11 Correct 26 ms 13304 KB Output is correct
12 Correct 47 ms 15228 KB Output is correct
13 Correct 67 ms 25572 KB Output is correct
14 Correct 143 ms 23516 KB Output is correct
15 Correct 194 ms 23804 KB Output is correct
16 Correct 146 ms 21108 KB Output is correct
17 Correct 138 ms 20088 KB Output is correct
18 Correct 50 ms 15136 KB Output is correct
19 Correct 146 ms 23532 KB Output is correct
20 Correct 191 ms 23804 KB Output is correct
21 Correct 149 ms 21040 KB Output is correct
22 Correct 122 ms 20532 KB Output is correct
23 Correct 154 ms 25028 KB Output is correct

Subtask #3
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 11064 KB Output is correct
2 Correct 12 ms 11072 KB Output is correct
3 Correct 12 ms 11060 KB Output is correct
4 Correct 11 ms 10872 KB Output is correct
5 Correct 12 ms 10972 KB Output is correct
6 Correct 13 ms 11128 KB Output is correct
7 Correct 12 ms 10872 KB Output is correct
8 Correct 12 ms 10940 KB Output is correct
9 Correct 15 ms 11256 KB Output is correct
10 Correct 12 ms 10872 KB Output is correct
11 Correct 26 ms 13304 KB Output is correct
12 Correct 47 ms 15228 KB Output is correct
13 Correct 67 ms 25572 KB Output is correct
14 Correct 143 ms 23516 KB Output is correct
15 Correct 194 ms 23804 KB Output is correct
16 Correct 146 ms 21108 KB Output is correct
17 Correct 138 ms 20088 KB Output is correct
18 Correct 50 ms 15136 KB Output is correct
19 Correct 146 ms 23532 KB Output is correct
20 Correct 191 ms 23804 KB Output is correct
21 Correct 149 ms 21040 KB Output is correct
22 Correct 122 ms 20532 KB Output is correct
23 Correct 154 ms 25028 KB Output is correct
24 Correct 13 ms 10952 KB Output is correct
25 Correct 155 ms 13416 KB Output is correct
26 Correct 173 ms 15224 KB Output is correct
27 Execution timed out 5042 ms 25584 KB Time limit exceeded
28 Halted 0 ms 0 KB -