Submission #412281

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
412281	2021-05-26T16:36:51 Z	amoo_safar	Arranging Tickets (JOI17_arranging_tickets)	C++17	85 / 100	210 ms	23728 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<int, ll> pil;
typedef pair<int, int> pii;

const ll Mod = 1000000007LL;
const int N = 4e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;

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

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

ll ps[N];

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

	int res = 0;
	for(int i = l; i < r - 1; i++){
		for(auto [x, c] : G[i]){
			if(x >= r) continue;
			ps[i] += c;
			ps[x] -= c;
			ms.insert({x, c});
		}
		ps[i] += ps[i - 1];
		while(ps[i] > dif){
			auto [fr, cnt] = *ms.rbegin();
			ms.erase(ms.find({fr, cnt}));
			if(fr <= i)
				continue;
			
			int del = min((ll) cnt, (ps[i] - dif + 1) / 2);
			
			ps[i] -= 2 * del;
			ps[fr] += 2 * del;
			res += del;
			if(cnt > del)
				ms.insert({fr, cnt - del});
		}
	}
	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, c);
		Add_Edge(b, n + a, c);
		Add_Edge(n + a, n + b, c);
	}
	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	7 ms	12748 KB	Output is correct
2	Correct	7 ms	12748 KB	Output is correct
3	Correct	7 ms	12748 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12748 KB	Output is correct
6	Correct	8 ms	12808 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	8 ms	12748 KB	Output is correct
9	Correct	8 ms	12748 KB	Output is correct
10	Correct	8 ms	12772 KB	Output is correct
11	Correct	8 ms	12828 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	8 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	9 ms	12748 KB	Output is correct

Subtask #2
35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	12748 KB	Output is correct
2	Correct	7 ms	12748 KB	Output is correct
3	Correct	7 ms	12748 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12748 KB	Output is correct
6	Correct	8 ms	12808 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	8 ms	12748 KB	Output is correct
9	Correct	8 ms	12748 KB	Output is correct
10	Correct	8 ms	12772 KB	Output is correct
11	Correct	8 ms	12828 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	8 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	9 ms	12748 KB	Output is correct
16	Correct	8 ms	12748 KB	Output is correct
17	Correct	9 ms	12748 KB	Output is correct
18	Correct	8 ms	12748 KB	Output is correct
19	Correct	8 ms	12796 KB	Output is correct
20	Correct	9 ms	12748 KB	Output is correct
21	Correct	9 ms	12764 KB	Output is correct
22	Correct	9 ms	12748 KB	Output is correct
23	Correct	8 ms	12748 KB	Output is correct
24	Correct	9 ms	12748 KB	Output is correct
25	Correct	8 ms	12748 KB	Output is correct
26	Correct	8 ms	12780 KB	Output is correct
27	Correct	9 ms	12748 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	12748 KB	Output is correct
2	Correct	7 ms	12748 KB	Output is correct
3	Correct	7 ms	12748 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12748 KB	Output is correct
6	Correct	8 ms	12808 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	8 ms	12748 KB	Output is correct
9	Correct	8 ms	12748 KB	Output is correct
10	Correct	8 ms	12772 KB	Output is correct
11	Correct	8 ms	12828 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	8 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	9 ms	12748 KB	Output is correct
16	Correct	8 ms	12748 KB	Output is correct
17	Correct	9 ms	12748 KB	Output is correct
18	Correct	8 ms	12748 KB	Output is correct
19	Correct	8 ms	12796 KB	Output is correct
20	Correct	9 ms	12748 KB	Output is correct
21	Correct	9 ms	12764 KB	Output is correct
22	Correct	9 ms	12748 KB	Output is correct
23	Correct	8 ms	12748 KB	Output is correct
24	Correct	9 ms	12748 KB	Output is correct
25	Correct	8 ms	12748 KB	Output is correct
26	Correct	8 ms	12780 KB	Output is correct
27	Correct	9 ms	12748 KB	Output is correct
28	Correct	10 ms	13080 KB	Output is correct
29	Correct	10 ms	13108 KB	Output is correct
30	Correct	10 ms	13004 KB	Output is correct
31	Correct	10 ms	13100 KB	Output is correct
32	Correct	11 ms	13040 KB	Output is correct
33	Correct	10 ms	13004 KB	Output is correct
34	Correct	10 ms	13044 KB	Output is correct
35	Correct	10 ms	13004 KB	Output is correct
36	Correct	10 ms	13004 KB	Output is correct
37	Correct	9 ms	13004 KB	Output is correct
38	Correct	10 ms	13132 KB	Output is correct
39	Correct	10 ms	13144 KB	Output is correct

Subtask #4
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	12748 KB	Output is correct
2	Correct	7 ms	12748 KB	Output is correct
3	Correct	7 ms	12748 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12748 KB	Output is correct
6	Correct	8 ms	12808 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	8 ms	12748 KB	Output is correct
9	Correct	8 ms	12748 KB	Output is correct
10	Correct	8 ms	12772 KB	Output is correct
11	Correct	8 ms	12828 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	8 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	9 ms	12748 KB	Output is correct
16	Correct	8 ms	12748 KB	Output is correct
17	Correct	9 ms	12748 KB	Output is correct
18	Correct	8 ms	12748 KB	Output is correct
19	Correct	8 ms	12796 KB	Output is correct
20	Correct	9 ms	12748 KB	Output is correct
21	Correct	9 ms	12764 KB	Output is correct
22	Correct	9 ms	12748 KB	Output is correct
23	Correct	8 ms	12748 KB	Output is correct
24	Correct	9 ms	12748 KB	Output is correct
25	Correct	8 ms	12748 KB	Output is correct
26	Correct	8 ms	12780 KB	Output is correct
27	Correct	9 ms	12748 KB	Output is correct
28	Correct	10 ms	13080 KB	Output is correct
29	Correct	10 ms	13108 KB	Output is correct
30	Correct	10 ms	13004 KB	Output is correct
31	Correct	10 ms	13100 KB	Output is correct
32	Correct	11 ms	13040 KB	Output is correct
33	Correct	10 ms	13004 KB	Output is correct
34	Correct	10 ms	13044 KB	Output is correct
35	Correct	10 ms	13004 KB	Output is correct
36	Correct	10 ms	13004 KB	Output is correct
37	Correct	9 ms	13004 KB	Output is correct
38	Correct	10 ms	13132 KB	Output is correct
39	Correct	10 ms	13144 KB	Output is correct
40	Correct	175 ms	22776 KB	Output is correct
41	Correct	184 ms	22748 KB	Output is correct
42	Correct	210 ms	22288 KB	Output is correct
43	Correct	171 ms	22220 KB	Output is correct
44	Correct	189 ms	22268 KB	Output is correct
45	Correct	171 ms	21932 KB	Output is correct
46	Correct	156 ms	21880 KB	Output is correct
47	Correct	184 ms	21824 KB	Output is correct
48	Correct	151 ms	21700 KB	Output is correct
49	Correct	129 ms	21476 KB	Output is correct
50	Correct	142 ms	23728 KB	Output is correct
51	Correct	131 ms	21928 KB	Output is correct

Subtask #5
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	12748 KB	Output is correct
2	Correct	7 ms	12748 KB	Output is correct
3	Correct	7 ms	12748 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12748 KB	Output is correct
6	Correct	8 ms	12808 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	8 ms	12748 KB	Output is correct
9	Correct	8 ms	12748 KB	Output is correct
10	Correct	8 ms	12772 KB	Output is correct
11	Correct	8 ms	12828 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	8 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	9 ms	12748 KB	Output is correct
16	Correct	8 ms	12748 KB	Output is correct
17	Correct	9 ms	12748 KB	Output is correct
18	Correct	8 ms	12748 KB	Output is correct
19	Correct	8 ms	12796 KB	Output is correct
20	Correct	9 ms	12748 KB	Output is correct
21	Correct	9 ms	12764 KB	Output is correct
22	Correct	9 ms	12748 KB	Output is correct
23	Correct	8 ms	12748 KB	Output is correct
24	Correct	9 ms	12748 KB	Output is correct
25	Correct	8 ms	12748 KB	Output is correct
26	Correct	8 ms	12780 KB	Output is correct
27	Correct	9 ms	12748 KB	Output is correct
28	Correct	10 ms	13080 KB	Output is correct
29	Correct	10 ms	13108 KB	Output is correct
30	Correct	10 ms	13004 KB	Output is correct
31	Correct	10 ms	13100 KB	Output is correct
32	Correct	11 ms	13040 KB	Output is correct
33	Correct	10 ms	13004 KB	Output is correct
34	Correct	10 ms	13044 KB	Output is correct
35	Correct	10 ms	13004 KB	Output is correct
36	Correct	10 ms	13004 KB	Output is correct
37	Correct	9 ms	13004 KB	Output is correct
38	Correct	10 ms	13132 KB	Output is correct
39	Correct	10 ms	13144 KB	Output is correct
40	Correct	175 ms	22776 KB	Output is correct
41	Correct	184 ms	22748 KB	Output is correct
42	Correct	210 ms	22288 KB	Output is correct
43	Correct	171 ms	22220 KB	Output is correct
44	Correct	189 ms	22268 KB	Output is correct
45	Correct	171 ms	21932 KB	Output is correct
46	Correct	156 ms	21880 KB	Output is correct
47	Correct	184 ms	21824 KB	Output is correct
48	Correct	151 ms	21700 KB	Output is correct
49	Correct	129 ms	21476 KB	Output is correct
50	Correct	142 ms	23728 KB	Output is correct
51	Correct	131 ms	21928 KB	Output is correct
52	Incorrect	197 ms	22792 KB	Output isn't correct
53	Halted	0 ms	0 KB	-

Submission #412281

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 35.0 / 35.0

Subtask #3 20.0 / 20.0

Subtask #4 20.0 / 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
20.0 / 20.0

Subtask #5
0 / 15.0