답안 #412274

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
412274	2021-05-26T16:27:18 Z	amoo_safar	Arranging Tickets (JOI17_arranging_tickets)	C++17	65 / 100	15 ms	19460 KB

arranging_tickets

// vaziat meshki-ghermeze !
#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;

const ll Mod = 1000000007LL;
const int N = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;

vector<int> G[N], H[N];
int n, m;

void Add_Edge(int u, int v){
	G[u].pb(v);
	H[v].pb(u);
}

int ps[N];

int Solve(int l, int r, int dif){
	memset(ps, 0, sizeof ps);
	multiset<int> ms;

	int res = 0;
	for(int i = l; i < r - 1; i++){
		for(auto x : G[i]){
			if(x >= r) continue;
			ps[i] ++;
			ps[x] --;
			ms.insert(x);
		}
		ps[i] += ps[i - 1];
		while(ps[i] > dif){
			int fr = *ms.rbegin();
			ms.erase(ms.find(fr));
			ps[i] -= 2;
			ps[fr] += 2;
			res ++;
		}
	}
	return res + dif;
}
int Calc(int i, int dif){
	if(i > n)
		i -= n;
	return Solve(i, i + n, dif);
}

int df[N];

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> m;
	int a, b, c;
	for(int i = 0; i < m; i++){
		cin >> a >> b >> c;
		// assert(c == 1);
		if(a > b) swap(a, b);
		df[a] ++;
		df[b] --;
		
		Add_Edge(a, b);
		Add_Edge(b, n + a);
		Add_Edge(n + a, n + b);
	}
	for(int i = 1; i <= n; i++) df[i] += df[i - 1];
	int id_mx = max_element(df + 1, df + n) - df;
	id_mx ++;
	int ans = min(Calc(id_mx, 0), Calc(id_mx, 1));
	
	cout << ans << '\n';
	return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	8 ms	10444 KB	Output is correct
3	Correct	6 ms	10444 KB	Output is correct
4	Correct	6 ms	10444 KB	Output is correct
5	Correct	6 ms	10444 KB	Output is correct
6	Correct	6 ms	10444 KB	Output is correct
7	Correct	6 ms	10500 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10444 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	6 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct

Subtask #2
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	8 ms	10444 KB	Output is correct
3	Correct	6 ms	10444 KB	Output is correct
4	Correct	6 ms	10444 KB	Output is correct
5	Correct	6 ms	10444 KB	Output is correct
6	Correct	6 ms	10444 KB	Output is correct
7	Correct	6 ms	10500 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10444 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	6 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	7 ms	10444 KB	Output is correct
17	Correct	7 ms	10444 KB	Output is correct
18	Correct	7 ms	10444 KB	Output is correct
19	Correct	6 ms	10444 KB	Output is correct
20	Correct	7 ms	10444 KB	Output is correct
21	Correct	6 ms	10444 KB	Output is correct
22	Correct	7 ms	10540 KB	Output is correct
23	Correct	7 ms	10444 KB	Output is correct
24	Correct	8 ms	10444 KB	Output is correct
25	Correct	7 ms	10444 KB	Output is correct
26	Correct	7 ms	10532 KB	Output is correct
27	Correct	8 ms	10444 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	8 ms	10444 KB	Output is correct
3	Correct	6 ms	10444 KB	Output is correct
4	Correct	6 ms	10444 KB	Output is correct
5	Correct	6 ms	10444 KB	Output is correct
6	Correct	6 ms	10444 KB	Output is correct
7	Correct	6 ms	10500 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10444 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	6 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	7 ms	10444 KB	Output is correct
17	Correct	7 ms	10444 KB	Output is correct
18	Correct	7 ms	10444 KB	Output is correct
19	Correct	6 ms	10444 KB	Output is correct
20	Correct	7 ms	10444 KB	Output is correct
21	Correct	6 ms	10444 KB	Output is correct
22	Correct	7 ms	10540 KB	Output is correct
23	Correct	7 ms	10444 KB	Output is correct
24	Correct	8 ms	10444 KB	Output is correct
25	Correct	7 ms	10444 KB	Output is correct
26	Correct	7 ms	10532 KB	Output is correct
27	Correct	8 ms	10444 KB	Output is correct
28	Correct	9 ms	10856 KB	Output is correct
29	Correct	9 ms	10732 KB	Output is correct
30	Correct	9 ms	10852 KB	Output is correct
31	Correct	10 ms	10828 KB	Output is correct
32	Correct	10 ms	10700 KB	Output is correct
33	Correct	9 ms	10828 KB	Output is correct
34	Correct	9 ms	10828 KB	Output is correct
35	Correct	9 ms	10828 KB	Output is correct
36	Correct	10 ms	10848 KB	Output is correct
37	Correct	9 ms	10828 KB	Output is correct
38	Correct	10 ms	10956 KB	Output is correct
39	Correct	10 ms	10888 KB	Output is correct

Subtask #4
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	8 ms	10444 KB	Output is correct
3	Correct	6 ms	10444 KB	Output is correct
4	Correct	6 ms	10444 KB	Output is correct
5	Correct	6 ms	10444 KB	Output is correct
6	Correct	6 ms	10444 KB	Output is correct
7	Correct	6 ms	10500 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10444 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	6 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	7 ms	10444 KB	Output is correct
17	Correct	7 ms	10444 KB	Output is correct
18	Correct	7 ms	10444 KB	Output is correct
19	Correct	6 ms	10444 KB	Output is correct
20	Correct	7 ms	10444 KB	Output is correct
21	Correct	6 ms	10444 KB	Output is correct
22	Correct	7 ms	10540 KB	Output is correct
23	Correct	7 ms	10444 KB	Output is correct
24	Correct	8 ms	10444 KB	Output is correct
25	Correct	7 ms	10444 KB	Output is correct
26	Correct	7 ms	10532 KB	Output is correct
27	Correct	8 ms	10444 KB	Output is correct
28	Correct	9 ms	10856 KB	Output is correct
29	Correct	9 ms	10732 KB	Output is correct
30	Correct	9 ms	10852 KB	Output is correct
31	Correct	10 ms	10828 KB	Output is correct
32	Correct	10 ms	10700 KB	Output is correct
33	Correct	9 ms	10828 KB	Output is correct
34	Correct	9 ms	10828 KB	Output is correct
35	Correct	9 ms	10828 KB	Output is correct
36	Correct	10 ms	10848 KB	Output is correct
37	Correct	9 ms	10828 KB	Output is correct
38	Correct	10 ms	10956 KB	Output is correct
39	Correct	10 ms	10888 KB	Output is correct
40	Runtime error	15 ms	19460 KB	Execution killed with signal 11
41	Halted	0 ms	0 KB	-

Subtask #5
0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	8 ms	10444 KB	Output is correct
3	Correct	6 ms	10444 KB	Output is correct
4	Correct	6 ms	10444 KB	Output is correct
5	Correct	6 ms	10444 KB	Output is correct
6	Correct	6 ms	10444 KB	Output is correct
7	Correct	6 ms	10500 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10444 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	6 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	7 ms	10444 KB	Output is correct
17	Correct	7 ms	10444 KB	Output is correct
18	Correct	7 ms	10444 KB	Output is correct
19	Correct	6 ms	10444 KB	Output is correct
20	Correct	7 ms	10444 KB	Output is correct
21	Correct	6 ms	10444 KB	Output is correct
22	Correct	7 ms	10540 KB	Output is correct
23	Correct	7 ms	10444 KB	Output is correct
24	Correct	8 ms	10444 KB	Output is correct
25	Correct	7 ms	10444 KB	Output is correct
26	Correct	7 ms	10532 KB	Output is correct
27	Correct	8 ms	10444 KB	Output is correct
28	Correct	9 ms	10856 KB	Output is correct
29	Correct	9 ms	10732 KB	Output is correct
30	Correct	9 ms	10852 KB	Output is correct
31	Correct	10 ms	10828 KB	Output is correct
32	Correct	10 ms	10700 KB	Output is correct
33	Correct	9 ms	10828 KB	Output is correct
34	Correct	9 ms	10828 KB	Output is correct
35	Correct	9 ms	10828 KB	Output is correct
36	Correct	10 ms	10848 KB	Output is correct
37	Correct	9 ms	10828 KB	Output is correct
38	Correct	10 ms	10956 KB	Output is correct
39	Correct	10 ms	10888 KB	Output is correct
40	Runtime error	15 ms	19460 KB	Execution killed with signal 11
41	Halted	0 ms	0 KB	-

답안 #412274

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 35.0 / 35.0

Subtask #3 20.0 / 20.0

Subtask #4 0 / 20.0

Subtask #5 0 / 15.0

Subtask #1
10.0 / 10.0

Subtask #2
35.0 / 35.0

Subtask #3
20.0 / 20.0

Subtask #4
0 / 20.0

Subtask #5
0 / 15.0