oj.uz

답안 #1069652

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1069652 2024-08-22T07:44:05 Z Malix 참나무 (IOI23_beechtree) C++17
23 / 100
 51 ms 8520 KB 
#include "beechtree.h"
#include<bits/stdc++.h>
using namespace std;
 
#define REP(a,b,c) for(int a=b;a<c;a++)
#define PB push_back
#define F first
#define S second
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
 
std::vector<int> beechtree(int n, int m, std::vector<int> p, std::vector<int> c)
{
    if(n<=8){
        vi ans(n,0);
        vii a(n);
        REP(i,0,n)a[i].PB(i);
        for(int i=n-1;i>=1;i--)for(auto u:a[i])a[p[i]].PB(u);
        vii b=a;
        REP(i,0,n){
            int s=a[i].size();
            if(s==1){
                ans[i]=1;
                continue;
            }
            map<int,int> mp;
            bool flag=1;
            REP(j,1,s){
                if(b[i][mp[c[b[i][j]]]]!=p[b[i][j]]){
                    flag=0;
                    break;
                }
                mp[c[b[i][j]]]++;
            }
            if(flag){
                ans[i]=1;
                continue;
            }
            next_permutation(b[i].begin()+1,b[i].end());
            while(b[i]!=a[i]){
                mp.clear();
                flag=1;
                REP(j,1,s){
                    if(b[i][mp[c[b[i][j]]]]!=p[b[i][j]]){
                        flag=0;
                        break;
                    }
                    mp[c[b[i][j]]]++;
                }
                if(flag)break;
                next_permutation(b[i].begin()+1,b[i].end());
            }
            if(flag)ans[i]=1;
        }
        return ans;
    }
    bool flag=1;
    REP(i,1,n)if(p[i]!=i-1)flag=0;
    if(flag){
        vi ans(n,0);
        ans[n-1]=1;
        ans[n-2]=1;
        int k=c[n-1];
        for(int i=n-2;i>=1;i--){
            if(c[i]!=k)break;
            ans[p[i]]=1;
        }
        return ans;
    }
    flag=1;
    REP(i,1,n)if(p[p[i]]!=0&&p[p[i]]!=-1)flag=0;
    if(flag){
        vi ans(n,-1);
        REP(i,1,n)if(p[i]!=0)ans[i]=1;
        vii a(n);
        REP(i,1,n)a[p[i]].PB(i);
        vii b(n);vector<pi> arr;
        REP(i,0,n)if(p[i]==0||p[i]==-1){
            if(a[i].size()==0)continue;
            set<int> st;
            for(auto u:a[i]){
                if(st.count(c[u])!=0){
                    ans[i]=0;
                    ans[0]=0;
                }
                st.insert(c[u]);
            }
            for(auto u:st)b[i].PB(u);
            int s=b[i].size();
            arr.PB({s,i});
        }
        REP(i,1,n)if(ans[i]==-1)ans[i]=1;
        if(ans[0]==0)return ans;
        sort(arr.begin()+1,arr.end());
        reverse(arr.begin()+1,arr.end());
        int k=arr.size();
        map<int,int> mp;
        REP(i,0,k){
            int x=arr[i].F;
            int y=arr[i].S;
            for(auto u:b[y]){
                if(mp[u]!=i)ans[0]=0;
                mp[u]++;
            }
            if(ans[0]==0)break;
        }
        if(ans[0]==0)return ans;
        ans[0]=1;
        return ans;
    }
    vi ans(n,-1);
    vii a(n);
    REP(i,1,n)a[p[i]].PB(i);
    vi tmp(n,0);
    REP(i,0,n)if(a[i].size()==0){
        ans[i]=1;
        if(i!=0)tmp[p[i]]++;
    }
    vi arr;
    REP(i,0,n)if(tmp[i]==a[i].size())arr.PB(i);
    int s=arr.size();
    vi brr;
    REP(i,0,s){
        set<int> st;
        int pos=arr[i];
        for(auto u:a[pos]){
            if(st.count(c[u])){
                ans[pos]=0;
                if(p[pos]!=-1)ans[p[pos]]=0;
            }
            st.insert(c[u]);
        }
        if(ans[pos]!=0)ans[pos]=1;
        if(p[pos]!=-1)tmp[p[pos]]++;
    }
    REP(i,0,n)if(tmp[i]==a[i].size())brr.PB(i);
    int t=brr.size();
    REP(i,0,t){
        if(ans[i]==0)continue;
        set<int> st;
        int pos=brr[i];
        for(auto u:a[pos]){
            if(st.count(c[u]))ans[pos]=0;
            st.insert(c[u]);
        }
        bool flag=0;
        for(auto u:a[pos]){
            if(a[u].size()!=0){
                if(flag)ans[pos]=0;
                flag=1;
                for(auto v:a[u])if(st.count(c[v])==0)ans[pos]=0;
            }
        }
        if(ans[pos]!=0)ans[pos]=1;
    }
    REP(i,0,n)if(ans[i]==-1)ans[i]=0;
    return ans;
}

Compilation message

beechtree.cpp: In function 'std::vector<int> beechtree(int, int, std::vector<int>, std::vector<int>)':
beechtree.cpp:102:17: warning: unused variable 'x' [-Wunused-variable]
  102 |             int x=arr[i].F;
      |                 ^
beechtree.cpp:123:24: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |     REP(i,0,n)if(tmp[i]==a[i].size())arr.PB(i);
beechtree.cpp:139:24: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  139 |     REP(i,0,n)if(tmp[i]==a[i].size())brr.PB(i);

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 416 KB 2nd lines differ - on the 2nd token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 47 ms 4320 KB Output is correct
8 Correct 40 ms 4316 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 38 ms 4288 KB Output is correct
18 Correct 38 ms 4320 KB Output is correct
19 Correct 41 ms 4304 KB Output is correct
20 Correct 51 ms 4304 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 39 ms 8520 KB Output is correct
16 Correct 31 ms 7824 KB Output is correct
17 Correct 33 ms 8028 KB Output is correct
18 Correct 35 ms 8284 KB Output is correct

Subtask #4
0.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 47 ms 4320 KB Output is correct
6 Correct 40 ms 4316 KB Output is correct
7 Incorrect 1 ms 344 KB 2nd lines differ - on the 52nd token, expected: '1', found: '0'
8 Halted 0 ms 0 KB -

Subtask #5
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 416 KB 2nd lines differ - on the 2nd token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -

Subtask #6
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Incorrect 1 ms 344 KB 2nd lines differ - on the 6th token, expected: '1', found: '0'
31 Halted 0 ms 0 KB -

Subtask #7
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 416 KB 2nd lines differ - on the 2nd token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -

Subtask #8
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Incorrect 1 ms 344 KB 2nd lines differ - on the 6th token, expected: '1', found: '0'
31 Halted 0 ms 0 KB -

Subtask #9
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 416 KB 2nd lines differ - on the 2nd token, expected: '1', found: '0'
3 Halted 0 ms 0 KB -