Submission #412282

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
412282	2021-05-26T16:39:04 Z	amoo_safar	Arranging Tickets (JOI17_arranging_tickets)	C++17	85 / 100	205 ms	25852 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];

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

	ll 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;
}

ll 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 ++;
	ll ans = min(Solve(id_mx, id_mx + n, 0), Solve(id_mx, id_mx + n, 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	9 ms	12808 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12732 KB	Output is correct
6	Correct	7 ms	12748 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	7 ms	12840 KB	Output is correct
9	Correct	7 ms	12748 KB	Output is correct
10	Correct	7 ms	12748 KB	Output is correct
11	Correct	7 ms	12748 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	7 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	7 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	9 ms	12808 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12732 KB	Output is correct
6	Correct	7 ms	12748 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	7 ms	12840 KB	Output is correct
9	Correct	7 ms	12748 KB	Output is correct
10	Correct	7 ms	12748 KB	Output is correct
11	Correct	7 ms	12748 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	7 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	7 ms	12748 KB	Output is correct
16	Correct	9 ms	12748 KB	Output is correct
17	Correct	9 ms	12776 KB	Output is correct
18	Correct	9 ms	12840 KB	Output is correct
19	Correct	9 ms	12800 KB	Output is correct
20	Correct	8 ms	12748 KB	Output is correct
21	Correct	8 ms	12876 KB	Output is correct
22	Correct	7 ms	12748 KB	Output is correct
23	Correct	9 ms	12748 KB	Output is correct
24	Correct	8 ms	12872 KB	Output is correct
25	Correct	8 ms	12748 KB	Output is correct
26	Correct	8 ms	12748 KB	Output is correct
27	Correct	8 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	9 ms	12808 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12732 KB	Output is correct
6	Correct	7 ms	12748 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	7 ms	12840 KB	Output is correct
9	Correct	7 ms	12748 KB	Output is correct
10	Correct	7 ms	12748 KB	Output is correct
11	Correct	7 ms	12748 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	7 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	7 ms	12748 KB	Output is correct
16	Correct	9 ms	12748 KB	Output is correct
17	Correct	9 ms	12776 KB	Output is correct
18	Correct	9 ms	12840 KB	Output is correct
19	Correct	9 ms	12800 KB	Output is correct
20	Correct	8 ms	12748 KB	Output is correct
21	Correct	8 ms	12876 KB	Output is correct
22	Correct	7 ms	12748 KB	Output is correct
23	Correct	9 ms	12748 KB	Output is correct
24	Correct	8 ms	12872 KB	Output is correct
25	Correct	8 ms	12748 KB	Output is correct
26	Correct	8 ms	12748 KB	Output is correct
27	Correct	8 ms	12748 KB	Output is correct
28	Correct	10 ms	13004 KB	Output is correct
29	Correct	10 ms	13092 KB	Output is correct
30	Correct	10 ms	13004 KB	Output is correct
31	Correct	11 ms	13004 KB	Output is correct
32	Correct	11 ms	13004 KB	Output is correct
33	Correct	13 ms	13004 KB	Output is correct
34	Correct	11 ms	13004 KB	Output is correct
35	Correct	10 ms	13004 KB	Output is correct
36	Correct	10 ms	13004 KB	Output is correct
37	Correct	12 ms	13108 KB	Output is correct
38	Correct	10 ms	13132 KB	Output is correct
39	Correct	10 ms	13088 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	9 ms	12808 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12732 KB	Output is correct
6	Correct	7 ms	12748 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	7 ms	12840 KB	Output is correct
9	Correct	7 ms	12748 KB	Output is correct
10	Correct	7 ms	12748 KB	Output is correct
11	Correct	7 ms	12748 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	7 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	7 ms	12748 KB	Output is correct
16	Correct	9 ms	12748 KB	Output is correct
17	Correct	9 ms	12776 KB	Output is correct
18	Correct	9 ms	12840 KB	Output is correct
19	Correct	9 ms	12800 KB	Output is correct
20	Correct	8 ms	12748 KB	Output is correct
21	Correct	8 ms	12876 KB	Output is correct
22	Correct	7 ms	12748 KB	Output is correct
23	Correct	9 ms	12748 KB	Output is correct
24	Correct	8 ms	12872 KB	Output is correct
25	Correct	8 ms	12748 KB	Output is correct
26	Correct	8 ms	12748 KB	Output is correct
27	Correct	8 ms	12748 KB	Output is correct
28	Correct	10 ms	13004 KB	Output is correct
29	Correct	10 ms	13092 KB	Output is correct
30	Correct	10 ms	13004 KB	Output is correct
31	Correct	11 ms	13004 KB	Output is correct
32	Correct	11 ms	13004 KB	Output is correct
33	Correct	13 ms	13004 KB	Output is correct
34	Correct	11 ms	13004 KB	Output is correct
35	Correct	10 ms	13004 KB	Output is correct
36	Correct	10 ms	13004 KB	Output is correct
37	Correct	12 ms	13108 KB	Output is correct
38	Correct	10 ms	13132 KB	Output is correct
39	Correct	10 ms	13088 KB	Output is correct
40	Correct	177 ms	23588 KB	Output is correct
41	Correct	184 ms	23596 KB	Output is correct
42	Correct	195 ms	23088 KB	Output is correct
43	Correct	160 ms	23064 KB	Output is correct
44	Correct	165 ms	23144 KB	Output is correct
45	Correct	169 ms	22656 KB	Output is correct
46	Correct	155 ms	22684 KB	Output is correct
47	Correct	151 ms	22656 KB	Output is correct
48	Correct	164 ms	22448 KB	Output is correct
49	Correct	121 ms	21800 KB	Output is correct
50	Correct	146 ms	24012 KB	Output is correct
51	Correct	124 ms	22212 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	9 ms	12808 KB	Output is correct
4	Correct	7 ms	12748 KB	Output is correct
5	Correct	7 ms	12732 KB	Output is correct
6	Correct	7 ms	12748 KB	Output is correct
7	Correct	7 ms	12748 KB	Output is correct
8	Correct	7 ms	12840 KB	Output is correct
9	Correct	7 ms	12748 KB	Output is correct
10	Correct	7 ms	12748 KB	Output is correct
11	Correct	7 ms	12748 KB	Output is correct
12	Correct	7 ms	12748 KB	Output is correct
13	Correct	7 ms	12748 KB	Output is correct
14	Correct	7 ms	12748 KB	Output is correct
15	Correct	7 ms	12748 KB	Output is correct
16	Correct	9 ms	12748 KB	Output is correct
17	Correct	9 ms	12776 KB	Output is correct
18	Correct	9 ms	12840 KB	Output is correct
19	Correct	9 ms	12800 KB	Output is correct
20	Correct	8 ms	12748 KB	Output is correct
21	Correct	8 ms	12876 KB	Output is correct
22	Correct	7 ms	12748 KB	Output is correct
23	Correct	9 ms	12748 KB	Output is correct
24	Correct	8 ms	12872 KB	Output is correct
25	Correct	8 ms	12748 KB	Output is correct
26	Correct	8 ms	12748 KB	Output is correct
27	Correct	8 ms	12748 KB	Output is correct
28	Correct	10 ms	13004 KB	Output is correct
29	Correct	10 ms	13092 KB	Output is correct
30	Correct	10 ms	13004 KB	Output is correct
31	Correct	11 ms	13004 KB	Output is correct
32	Correct	11 ms	13004 KB	Output is correct
33	Correct	13 ms	13004 KB	Output is correct
34	Correct	11 ms	13004 KB	Output is correct
35	Correct	10 ms	13004 KB	Output is correct
36	Correct	10 ms	13004 KB	Output is correct
37	Correct	12 ms	13108 KB	Output is correct
38	Correct	10 ms	13132 KB	Output is correct
39	Correct	10 ms	13088 KB	Output is correct
40	Correct	177 ms	23588 KB	Output is correct
41	Correct	184 ms	23596 KB	Output is correct
42	Correct	195 ms	23088 KB	Output is correct
43	Correct	160 ms	23064 KB	Output is correct
44	Correct	165 ms	23144 KB	Output is correct
45	Correct	169 ms	22656 KB	Output is correct
46	Correct	155 ms	22684 KB	Output is correct
47	Correct	151 ms	22656 KB	Output is correct
48	Correct	164 ms	22448 KB	Output is correct
49	Correct	121 ms	21800 KB	Output is correct
50	Correct	146 ms	24012 KB	Output is correct
51	Correct	124 ms	22212 KB	Output is correct
52	Correct	189 ms	23548 KB	Output is correct
53	Correct	200 ms	25340 KB	Output is correct
54	Correct	205 ms	25852 KB	Output is correct
55	Correct	172 ms	25156 KB	Output is correct
56	Correct	182 ms	25156 KB	Output is correct
57	Correct	168 ms	24820 KB	Output is correct
58	Incorrect	170 ms	24828 KB	Output isn't correct
59	Halted	0 ms	0 KB	-

Submission #412282

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