Submission #411936

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
411936	2021-05-26T09:57:55 Z	amoo_safar	Arranging Tickets (JOI17_arranging_tickets)	C++17	65 / 100	1478 ms	19452 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(int u, int v){
	G[u].pb(v);
	H[v].pb(u);
}
int ps[N];
int Solve(int l, int r){
	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);
			// debug(x);
		}
		ps[i] += ps[i - 1];
		while(ps[i] > 0){
			int fr = *ms.rbegin();
			// debug(fr);
			ms.erase(ms.find(fr));
			ps[i] -= 2;
			ps[fr] += 2;
			res ++;
			// cerr << i << " : " << fr << '\n';
		}
	}
	// cerr << l << " , " << r << " : " << res << '\n';
	// exit(0);
	return res;
}

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);
		Add(a, b);
		Add(b, n + a);
		Add(n + a, n + b);
	}
	int ans = m;

	for(int i = 1; i <= n; i++){
		ans = min(ans, Solve(i, n + i));
		// break;
	}
	cout << ans << '\n';
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	7 ms	10480 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10420 KB	Output is correct
7	Correct	7 ms	10480 KB	Output is correct
8	Correct	7 ms	10444 KB	Output is correct
9	Correct	7 ms	10476 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	7 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	7 ms	10480 KB	Output is correct
14	Correct	7 ms	10572 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct

Subtask #2
35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	7 ms	10480 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10420 KB	Output is correct
7	Correct	7 ms	10480 KB	Output is correct
8	Correct	7 ms	10444 KB	Output is correct
9	Correct	7 ms	10476 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	7 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	7 ms	10480 KB	Output is correct
14	Correct	7 ms	10572 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	25 ms	10444 KB	Output is correct
17	Correct	27 ms	10428 KB	Output is correct
18	Correct	26 ms	10568 KB	Output is correct
19	Correct	25 ms	10444 KB	Output is correct
20	Correct	26 ms	10476 KB	Output is correct
21	Correct	26 ms	10528 KB	Output is correct
22	Correct	26 ms	10428 KB	Output is correct
23	Correct	26 ms	10444 KB	Output is correct
24	Correct	26 ms	10484 KB	Output is correct
25	Correct	26 ms	10564 KB	Output is correct
26	Correct	25 ms	10448 KB	Output is correct
27	Correct	26 ms	10480 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	7 ms	10480 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10420 KB	Output is correct
7	Correct	7 ms	10480 KB	Output is correct
8	Correct	7 ms	10444 KB	Output is correct
9	Correct	7 ms	10476 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	7 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	7 ms	10480 KB	Output is correct
14	Correct	7 ms	10572 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	25 ms	10444 KB	Output is correct
17	Correct	27 ms	10428 KB	Output is correct
18	Correct	26 ms	10568 KB	Output is correct
19	Correct	25 ms	10444 KB	Output is correct
20	Correct	26 ms	10476 KB	Output is correct
21	Correct	26 ms	10528 KB	Output is correct
22	Correct	26 ms	10428 KB	Output is correct
23	Correct	26 ms	10444 KB	Output is correct
24	Correct	26 ms	10484 KB	Output is correct
25	Correct	26 ms	10564 KB	Output is correct
26	Correct	25 ms	10448 KB	Output is correct
27	Correct	26 ms	10480 KB	Output is correct
28	Correct	1463 ms	10848 KB	Output is correct
29	Correct	1464 ms	10852 KB	Output is correct
30	Correct	1478 ms	10852 KB	Output is correct
31	Correct	1430 ms	10836 KB	Output is correct
32	Correct	1413 ms	10820 KB	Output is correct
33	Correct	1419 ms	10856 KB	Output is correct
34	Correct	1371 ms	10952 KB	Output is correct
35	Correct	1406 ms	10844 KB	Output is correct
36	Correct	1438 ms	10852 KB	Output is correct
37	Correct	1195 ms	10892 KB	Output is correct
38	Correct	1242 ms	11016 KB	Output is correct
39	Correct	1217 ms	10968 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	10444 KB	Output is correct
2	Correct	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	7 ms	10480 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10420 KB	Output is correct
7	Correct	7 ms	10480 KB	Output is correct
8	Correct	7 ms	10444 KB	Output is correct
9	Correct	7 ms	10476 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	7 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	7 ms	10480 KB	Output is correct
14	Correct	7 ms	10572 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	25 ms	10444 KB	Output is correct
17	Correct	27 ms	10428 KB	Output is correct
18	Correct	26 ms	10568 KB	Output is correct
19	Correct	25 ms	10444 KB	Output is correct
20	Correct	26 ms	10476 KB	Output is correct
21	Correct	26 ms	10528 KB	Output is correct
22	Correct	26 ms	10428 KB	Output is correct
23	Correct	26 ms	10444 KB	Output is correct
24	Correct	26 ms	10484 KB	Output is correct
25	Correct	26 ms	10564 KB	Output is correct
26	Correct	25 ms	10448 KB	Output is correct
27	Correct	26 ms	10480 KB	Output is correct
28	Correct	1463 ms	10848 KB	Output is correct
29	Correct	1464 ms	10852 KB	Output is correct
30	Correct	1478 ms	10852 KB	Output is correct
31	Correct	1430 ms	10836 KB	Output is correct
32	Correct	1413 ms	10820 KB	Output is correct
33	Correct	1419 ms	10856 KB	Output is correct
34	Correct	1371 ms	10952 KB	Output is correct
35	Correct	1406 ms	10844 KB	Output is correct
36	Correct	1438 ms	10852 KB	Output is correct
37	Correct	1195 ms	10892 KB	Output is correct
38	Correct	1242 ms	11016 KB	Output is correct
39	Correct	1217 ms	10968 KB	Output is correct
40	Runtime error	14 ms	19452 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	7 ms	10444 KB	Output is correct
2	Correct	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	7 ms	10480 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10420 KB	Output is correct
7	Correct	7 ms	10480 KB	Output is correct
8	Correct	7 ms	10444 KB	Output is correct
9	Correct	7 ms	10476 KB	Output is correct
10	Correct	7 ms	10444 KB	Output is correct
11	Correct	7 ms	10444 KB	Output is correct
12	Correct	7 ms	10444 KB	Output is correct
13	Correct	7 ms	10480 KB	Output is correct
14	Correct	7 ms	10572 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	25 ms	10444 KB	Output is correct
17	Correct	27 ms	10428 KB	Output is correct
18	Correct	26 ms	10568 KB	Output is correct
19	Correct	25 ms	10444 KB	Output is correct
20	Correct	26 ms	10476 KB	Output is correct
21	Correct	26 ms	10528 KB	Output is correct
22	Correct	26 ms	10428 KB	Output is correct
23	Correct	26 ms	10444 KB	Output is correct
24	Correct	26 ms	10484 KB	Output is correct
25	Correct	26 ms	10564 KB	Output is correct
26	Correct	25 ms	10448 KB	Output is correct
27	Correct	26 ms	10480 KB	Output is correct
28	Correct	1463 ms	10848 KB	Output is correct
29	Correct	1464 ms	10852 KB	Output is correct
30	Correct	1478 ms	10852 KB	Output is correct
31	Correct	1430 ms	10836 KB	Output is correct
32	Correct	1413 ms	10820 KB	Output is correct
33	Correct	1419 ms	10856 KB	Output is correct
34	Correct	1371 ms	10952 KB	Output is correct
35	Correct	1406 ms	10844 KB	Output is correct
36	Correct	1438 ms	10852 KB	Output is correct
37	Correct	1195 ms	10892 KB	Output is correct
38	Correct	1242 ms	11016 KB	Output is correct
39	Correct	1217 ms	10968 KB	Output is correct
40	Runtime error	14 ms	19452 KB	Execution killed with signal 11
41	Halted	0 ms	0 KB	-

Submission #411936

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