답안 #440521

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
440521	2021-07-02T11:16:51 Z	mashrur_hossain	Birmingham (COCI20_birmingham)	C++14	70 / 70	128 ms	12880 KB

birmingham

#include <bits/stdc++.h>

#define fast_cin         ios_base::sync_with_stdio(0); cin.tie(NULL); cerr.tie(NULL);
#define endl "\n"
#define dbg(x) cerr << #x << ": " << x << endl;
#define DBG    cerr << __LINE__ << ": I GOT STUCK\n";

using namespace std;    
typedef long long ll;
typedef long double db;
 
const ll mxn = 1e5 + 10;
const ll INF = 1e8;
ll n,m,Q,k;
vector<ll>adj[mxn];
vector<ll>dist(mxn, INF);

ll sum(ll x){
    return x * (x + 1)/2;
}

bool good(ll x, ll d){
    return (k * sum(x) >= d);
}

ll find(ll d){
    ll l = 0, r = 1e5+10;
    ll ans = 0;
    while(l <= r){
        ll mid = l + (r - l)/2;
        if(good(mid, d)){
            ans = mid;
            r = mid - 1;
        }
        else l = mid + 1;
    }
    return ans;
}

void solve(){
    cin >> n >> m >> Q >> k;
    queue<ll>q;
    for(ll i = 0;i<Q;i++){
        ll x;cin >> x;
        q.push(x);
        dist[x] = 0;
    }
    for(ll i = 0;i<m;i++){
        ll a, b;cin >> a >> b;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }

    
    while(!q.empty()){
        ll node = q.front();
        q.pop();
        for(auto child: adj[node]){
            if(dist[child] > dist[node] + 1){
                dist[child] = dist[node] + 1;
                q.push(child);
            }
        }
    }
    for(ll i = 1;i<=n;i++){
        cout << find(dist[i]) << " \n"[i == n]; 
    }
}
// 6 8 1 1
// 6 
// 1 3
// 1 5
// 1 6
// 2 5
// 2 6
// 3 4
// 3 5
// 5 6


int main() {
    fast_cin;
    int test;test = 1;
    // int test;cin >>test;
    while(test--){
        solve();
    }
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3540 KB	Output is correct
2	Correct	2 ms	3464 KB	Output is correct
3	Correct	2 ms	3404 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	3460 KB	Output is correct
2	Correct	2 ms	3404 KB	Output is correct
3	Correct	2 ms	3404 KB	Output is correct

Subtask #3
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	2 ms	3404 KB	Output is correct
3	Correct	2 ms	3404 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	2 ms	3404 KB	Output is correct
3	Correct	2 ms	3464 KB	Output is correct

Subtask #5
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	2 ms	3404 KB	Output is correct
3	Correct	2 ms	3404 KB	Output is correct
4	Correct	3 ms	3404 KB	Output is correct

Subtask #6
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	3404 KB	Output is correct
2	Correct	2 ms	3404 KB	Output is correct
3	Correct	3 ms	3460 KB	Output is correct
4	Correct	2 ms	3404 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3404 KB	Output is correct
2	Correct	2 ms	3404 KB	Output is correct
3	Correct	2 ms	3404 KB	Output is correct
4	Correct	2 ms	3464 KB	Output is correct

Subtask #8
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	95 ms	11676 KB	Output is correct
2	Correct	109 ms	12424 KB	Output is correct
3	Correct	120 ms	12880 KB	Output is correct
4	Correct	92 ms	10936 KB	Output is correct
5	Correct	98 ms	11204 KB	Output is correct
6	Correct	104 ms	12728 KB	Output is correct

Subtask #9
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	104 ms	12352 KB	Output is correct
2	Correct	122 ms	12232 KB	Output is correct
3	Correct	113 ms	12416 KB	Output is correct
4	Correct	124 ms	12644 KB	Output is correct
5	Correct	103 ms	12124 KB	Output is correct
6	Correct	99 ms	11660 KB	Output is correct

Subtask #10
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	92 ms	11852 KB	Output is correct
2	Correct	108 ms	12612 KB	Output is correct
3	Correct	113 ms	12748 KB	Output is correct
4	Correct	116 ms	12564 KB	Output is correct
5	Correct	103 ms	11656 KB	Output is correct
6	Correct	88 ms	11800 KB	Output is correct

Subtask #11
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	11136 KB	Output is correct
2	Correct	112 ms	12100 KB	Output is correct
3	Correct	103 ms	12556 KB	Output is correct
4	Correct	105 ms	11784 KB	Output is correct
5	Correct	87 ms	11164 KB	Output is correct
6	Correct	99 ms	11688 KB	Output is correct

Subtask #12
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	88 ms	11268 KB	Output is correct
2	Correct	97 ms	11708 KB	Output is correct
3	Correct	106 ms	11712 KB	Output is correct
4	Correct	99 ms	11568 KB	Output is correct
5	Correct	96 ms	11716 KB	Output is correct
6	Correct	89 ms	11464 KB	Output is correct

Subtask #13
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	107 ms	11460 KB	Output is correct
2	Correct	111 ms	11828 KB	Output is correct
3	Correct	91 ms	11620 KB	Output is correct
4	Correct	100 ms	12068 KB	Output is correct
5	Correct	98 ms	11468 KB	Output is correct
6	Correct	128 ms	11836 KB	Output is correct

Subtask #14
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	95 ms	11492 KB	Output is correct
2	Correct	85 ms	11028 KB	Output is correct
3	Correct	116 ms	12688 KB	Output is correct
4	Correct	107 ms	11444 KB	Output is correct
5	Correct	106 ms	11840 KB	Output is correct
6	Correct	109 ms	12724 KB	Output is correct

답안 #440521

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