Submission #412273

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
412273	2021-05-26T16:26:49 Z	amoo_safar	Arranging Tickets (JOI17_arranging_tickets)	C++17	65 / 100	16 ms	19480 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	10444 KB	Output is correct
2	Correct	6 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	10428 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	6 ms	10444 KB	Output is correct
9	Correct	6 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	6 ms	10492 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	6 ms	10444 KB	Output is correct
15	Correct	6 ms	10500 KB	Output is correct

Subtask #2
35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	10444 KB	Output is correct
2	Correct	6 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	10428 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	6 ms	10444 KB	Output is correct
9	Correct	6 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	6 ms	10492 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	6 ms	10444 KB	Output is correct
15	Correct	6 ms	10500 KB	Output is correct
16	Correct	7 ms	10464 KB	Output is correct
17	Correct	7 ms	10456 KB	Output is correct
18	Correct	7 ms	10444 KB	Output is correct
19	Correct	7 ms	10444 KB	Output is correct
20	Correct	7 ms	10528 KB	Output is correct
21	Correct	7 ms	10444 KB	Output is correct
22	Correct	7 ms	10444 KB	Output is correct
23	Correct	7 ms	10516 KB	Output is correct
24	Correct	7 ms	10444 KB	Output is correct
25	Correct	7 ms	10480 KB	Output is correct
26	Correct	7 ms	10448 KB	Output is correct
27	Correct	7 ms	10444 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	10444 KB	Output is correct
2	Correct	6 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	10428 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	6 ms	10444 KB	Output is correct
9	Correct	6 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	6 ms	10492 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	6 ms	10444 KB	Output is correct
15	Correct	6 ms	10500 KB	Output is correct
16	Correct	7 ms	10464 KB	Output is correct
17	Correct	7 ms	10456 KB	Output is correct
18	Correct	7 ms	10444 KB	Output is correct
19	Correct	7 ms	10444 KB	Output is correct
20	Correct	7 ms	10528 KB	Output is correct
21	Correct	7 ms	10444 KB	Output is correct
22	Correct	7 ms	10444 KB	Output is correct
23	Correct	7 ms	10516 KB	Output is correct
24	Correct	7 ms	10444 KB	Output is correct
25	Correct	7 ms	10480 KB	Output is correct
26	Correct	7 ms	10448 KB	Output is correct
27	Correct	7 ms	10444 KB	Output is correct
28	Correct	9 ms	10828 KB	Output is correct
29	Correct	9 ms	10820 KB	Output is correct
30	Correct	9 ms	10768 KB	Output is correct
31	Correct	10 ms	10828 KB	Output is correct
32	Correct	10 ms	10780 KB	Output is correct
33	Correct	10 ms	10828 KB	Output is correct
34	Correct	9 ms	10800 KB	Output is correct
35	Correct	12 ms	10844 KB	Output is correct
36	Correct	10 ms	10828 KB	Output is correct
37	Correct	11 ms	10828 KB	Output is correct
38	Correct	10 ms	10920 KB	Output is correct
39	Correct	10 ms	10956 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	10444 KB	Output is correct
2	Correct	6 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	10428 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	6 ms	10444 KB	Output is correct
9	Correct	6 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	6 ms	10492 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	6 ms	10444 KB	Output is correct
15	Correct	6 ms	10500 KB	Output is correct
16	Correct	7 ms	10464 KB	Output is correct
17	Correct	7 ms	10456 KB	Output is correct
18	Correct	7 ms	10444 KB	Output is correct
19	Correct	7 ms	10444 KB	Output is correct
20	Correct	7 ms	10528 KB	Output is correct
21	Correct	7 ms	10444 KB	Output is correct
22	Correct	7 ms	10444 KB	Output is correct
23	Correct	7 ms	10516 KB	Output is correct
24	Correct	7 ms	10444 KB	Output is correct
25	Correct	7 ms	10480 KB	Output is correct
26	Correct	7 ms	10448 KB	Output is correct
27	Correct	7 ms	10444 KB	Output is correct
28	Correct	9 ms	10828 KB	Output is correct
29	Correct	9 ms	10820 KB	Output is correct
30	Correct	9 ms	10768 KB	Output is correct
31	Correct	10 ms	10828 KB	Output is correct
32	Correct	10 ms	10780 KB	Output is correct
33	Correct	10 ms	10828 KB	Output is correct
34	Correct	9 ms	10800 KB	Output is correct
35	Correct	12 ms	10844 KB	Output is correct
36	Correct	10 ms	10828 KB	Output is correct
37	Correct	11 ms	10828 KB	Output is correct
38	Correct	10 ms	10920 KB	Output is correct
39	Correct	10 ms	10956 KB	Output is correct
40	Runtime error	16 ms	19480 KB	Execution killed with signal 11
41	Halted	0 ms	0 KB	-

Subtask #5
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	10444 KB	Output is correct
2	Correct	6 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	10428 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	6 ms	10444 KB	Output is correct
9	Correct	6 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	6 ms	10492 KB	Output is correct
13	Correct	6 ms	10444 KB	Output is correct
14	Correct	6 ms	10444 KB	Output is correct
15	Correct	6 ms	10500 KB	Output is correct
16	Correct	7 ms	10464 KB	Output is correct
17	Correct	7 ms	10456 KB	Output is correct
18	Correct	7 ms	10444 KB	Output is correct
19	Correct	7 ms	10444 KB	Output is correct
20	Correct	7 ms	10528 KB	Output is correct
21	Correct	7 ms	10444 KB	Output is correct
22	Correct	7 ms	10444 KB	Output is correct
23	Correct	7 ms	10516 KB	Output is correct
24	Correct	7 ms	10444 KB	Output is correct
25	Correct	7 ms	10480 KB	Output is correct
26	Correct	7 ms	10448 KB	Output is correct
27	Correct	7 ms	10444 KB	Output is correct
28	Correct	9 ms	10828 KB	Output is correct
29	Correct	9 ms	10820 KB	Output is correct
30	Correct	9 ms	10768 KB	Output is correct
31	Correct	10 ms	10828 KB	Output is correct
32	Correct	10 ms	10780 KB	Output is correct
33	Correct	10 ms	10828 KB	Output is correct
34	Correct	9 ms	10800 KB	Output is correct
35	Correct	12 ms	10844 KB	Output is correct
36	Correct	10 ms	10828 KB	Output is correct
37	Correct	11 ms	10828 KB	Output is correct
38	Correct	10 ms	10920 KB	Output is correct
39	Correct	10 ms	10956 KB	Output is correct
40	Runtime error	16 ms	19480 KB	Execution killed with signal 11
41	Halted	0 ms	0 KB	-

Submission #412273

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