답안 #1084245

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1084245	2024-09-05T17:13:37 Z	Tymond	슈퍼트리 잇기 (IOI20_supertrees)	C++17	21 / 100	185 ms	32048 KB

supertrees

#include <bits/stdc++.h>
#include "supertrees.h"
using namespace std;
using ll = long long;
using ld = long double;
#define fi first
#define se second
#define vi vector<int>
#define vll vector<long long>
#define pii pair<int, int>
#define pll pair<long long, long long>
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}
#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif

struct custom_hash {
    static uint64_t splitmix64(uint64_t x) {
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

const int MAXN = 1e3 + 7;
int vis[MAXN];
int p[MAXN][MAXN];
vi g[MAXN];
int n;
vector<vi> ans;

vi akt;
map<int, int> cnt;
void getOthers(int v){
    queue<int> q;
    q.push(v);
    vis[v] = 1;
    while(sz(q)){
        v = q.front();
        q.pop();

        cnt[v] = 1;
        akt.pb(v);
        for(auto u : g[v]){
            if(!vis[u]){
                vis[u] = 1;
                q.push(u);
            }
        }
    }
}

/*void build(vector<vi> xd){
    for(int i = 0; i < sz(xd); i++){
        for(auto ele : xd[i]){
            cout << ele << ' ';
        }
        cout << '\n';
    }
}*/

int construct(vector<vi> given) {
    n = sz(given);
    ans.resize(n);
    for(int i = 0; i < n; i++){
        ans[i].assign(n, 0);
        for(int j = 0; j < n; j++){
            p[i][j] = given[i][j];
            if(p[i][j] > 0 && i != j){
                g[i].pb(j);
            }
        }
    }

    for(int i = 0; i < n; i++){
        if(!vis[i]){
            akt.clear();
            cnt.clear();
            getOthers(i);

            int mx = 0;
            for(auto ele : akt){
                for(int x = 0; x < n; x++){
                    if(x != ele && p[ele][x] == 0 && cnt[x]){
                        return 0;
                    }
                    if(cnt[x]){
                        mx = max(mx, p[ele][x]);
                    }
                }
            }

            if(mx == 1){
                for(int x = 0; x < sz(akt) - 1; x++){
                    ans[akt[x]][akt[x + 1]] = 1;
                    ans[akt[x + 1]][akt[x]] = 1;
                }
                continue;
            }
        }
    }


    build(ans);
    return 1;
}

/*int main(){
    cout << construct({{1, 0}, {0, 1}}) << '\n';
}*/

Subtask #1
11.0 / 11.0

#	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	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	6 ms	2252 KB	Output is correct
7	Correct	131 ms	32048 KB	Output is correct

Subtask #2
10.0 / 10.0

#	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	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	6 ms	2252 KB	Output is correct
7	Correct	131 ms	32048 KB	Output is correct
8	Correct	1 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	348 KB	Output is correct
12	Correct	9 ms	2000 KB	Output is correct
13	Correct	182 ms	28120 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	1884 KB	Output is correct
17	Correct	67 ms	20656 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	36 ms	8276 KB	Output is correct
21	Correct	152 ms	28576 KB	Output is correct
22	Correct	161 ms	27984 KB	Output is correct
23	Correct	141 ms	29992 KB	Output is correct
24	Correct	181 ms	27984 KB	Output is correct
25	Correct	72 ms	18520 KB	Output is correct
26	Correct	59 ms	18260 KB	Output is correct
27	Correct	137 ms	31312 KB	Output is correct
28	Correct	185 ms	27988 KB	Output is correct

Subtask #3
0 / 19.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Incorrect	348 KB	Answer gives possible 1 while actual possible 0
5	Halted	0 KB	-

Subtask #4
0 / 35.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Incorrect	348 KB	Too few ways to get from 0 to 1, should be 2 found 0
3	Halted	0 KB	-

Subtask #5
0 / 21.0

#	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	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	6 ms	2252 KB	Output is correct
7	Correct	131 ms	32048 KB	Output is correct
8	Correct	1 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	348 KB	Output is correct
12	Correct	9 ms	2000 KB	Output is correct
13	Correct	182 ms	28120 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	1884 KB	Output is correct
17	Correct	67 ms	20656 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	36 ms	8276 KB	Output is correct
21	Correct	152 ms	28576 KB	Output is correct
22	Correct	161 ms	27984 KB	Output is correct
23	Correct	141 ms	29992 KB	Output is correct
24	Correct	181 ms	27984 KB	Output is correct
25	Correct	72 ms	18520 KB	Output is correct
26	Correct	59 ms	18260 KB	Output is correct
27	Correct	137 ms	31312 KB	Output is correct
28	Correct	185 ms	27988 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Incorrect	0 ms	348 KB	Answer gives possible 1 while actual possible 0
33	Halted	0 ms	0 KB	-

Subtask #6
0 / 4.0

#	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	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	6 ms	2252 KB	Output is correct
7	Correct	131 ms	32048 KB	Output is correct
8	Correct	1 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	348 KB	Output is correct
12	Correct	9 ms	2000 KB	Output is correct
13	Correct	182 ms	28120 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	1884 KB	Output is correct
17	Correct	67 ms	20656 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	36 ms	8276 KB	Output is correct
21	Correct	152 ms	28576 KB	Output is correct
22	Correct	161 ms	27984 KB	Output is correct
23	Correct	141 ms	29992 KB	Output is correct
24	Correct	181 ms	27984 KB	Output is correct
25	Correct	72 ms	18520 KB	Output is correct
26	Correct	59 ms	18260 KB	Output is correct
27	Correct	137 ms	31312 KB	Output is correct
28	Correct	185 ms	27988 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Incorrect	0 ms	348 KB	Answer gives possible 1 while actual possible 0
33	Halted	0 ms	0 KB	-

답안 #1084245

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 19.0

Subtask #4 0 / 35.0

Subtask #5 0 / 21.0

Subtask #6 0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 19.0

Subtask #4
0 / 35.0

Subtask #5
0 / 21.0

Subtask #6
0 / 4.0