답안 #412270

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
412270	2021-05-26T16:26:08 Z	amoo_safar	Arranging Tickets (JOI17_arranging_tickets)	C++17	65 / 100	1510 ms	19532 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));
	for(int i = 1; i <= n; i++) ans = min(ans, Calc(i, 0));
	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	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	8 ms	10444 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10444 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10488 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	10500 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	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	8 ms	10444 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10444 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10488 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	10500 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	32 ms	10444 KB	Output is correct
17	Correct	26 ms	10532 KB	Output is correct
18	Correct	27 ms	10528 KB	Output is correct
19	Correct	25 ms	10532 KB	Output is correct
20	Correct	27 ms	10532 KB	Output is correct
21	Correct	26 ms	10444 KB	Output is correct
22	Correct	26 ms	10436 KB	Output is correct
23	Correct	26 ms	10536 KB	Output is correct
24	Correct	26 ms	10444 KB	Output is correct
25	Correct	26 ms	10444 KB	Output is correct
26	Correct	25 ms	10444 KB	Output is correct
27	Correct	26 ms	10572 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	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	8 ms	10444 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10444 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10488 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	10500 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	32 ms	10444 KB	Output is correct
17	Correct	26 ms	10532 KB	Output is correct
18	Correct	27 ms	10528 KB	Output is correct
19	Correct	25 ms	10532 KB	Output is correct
20	Correct	27 ms	10532 KB	Output is correct
21	Correct	26 ms	10444 KB	Output is correct
22	Correct	26 ms	10436 KB	Output is correct
23	Correct	26 ms	10536 KB	Output is correct
24	Correct	26 ms	10444 KB	Output is correct
25	Correct	26 ms	10444 KB	Output is correct
26	Correct	25 ms	10444 KB	Output is correct
27	Correct	26 ms	10572 KB	Output is correct
28	Correct	1497 ms	10876 KB	Output is correct
29	Correct	1487 ms	10840 KB	Output is correct
30	Correct	1455 ms	10848 KB	Output is correct
31	Correct	1442 ms	10808 KB	Output is correct
32	Correct	1441 ms	10808 KB	Output is correct
33	Correct	1426 ms	10956 KB	Output is correct
34	Correct	1476 ms	10828 KB	Output is correct
35	Correct	1475 ms	10836 KB	Output is correct
36	Correct	1510 ms	10840 KB	Output is correct
37	Correct	1317 ms	10872 KB	Output is correct
38	Correct	1307 ms	11012 KB	Output is correct
39	Correct	1242 ms	10956 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	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	8 ms	10444 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10444 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10488 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	10500 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	32 ms	10444 KB	Output is correct
17	Correct	26 ms	10532 KB	Output is correct
18	Correct	27 ms	10528 KB	Output is correct
19	Correct	25 ms	10532 KB	Output is correct
20	Correct	27 ms	10532 KB	Output is correct
21	Correct	26 ms	10444 KB	Output is correct
22	Correct	26 ms	10436 KB	Output is correct
23	Correct	26 ms	10536 KB	Output is correct
24	Correct	26 ms	10444 KB	Output is correct
25	Correct	26 ms	10444 KB	Output is correct
26	Correct	25 ms	10444 KB	Output is correct
27	Correct	26 ms	10572 KB	Output is correct
28	Correct	1497 ms	10876 KB	Output is correct
29	Correct	1487 ms	10840 KB	Output is correct
30	Correct	1455 ms	10848 KB	Output is correct
31	Correct	1442 ms	10808 KB	Output is correct
32	Correct	1441 ms	10808 KB	Output is correct
33	Correct	1426 ms	10956 KB	Output is correct
34	Correct	1476 ms	10828 KB	Output is correct
35	Correct	1475 ms	10836 KB	Output is correct
36	Correct	1510 ms	10840 KB	Output is correct
37	Correct	1317 ms	10872 KB	Output is correct
38	Correct	1307 ms	11012 KB	Output is correct
39	Correct	1242 ms	10956 KB	Output is correct
40	Runtime error	15 ms	19532 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	7 ms	10444 KB	Output is correct
3	Correct	7 ms	10444 KB	Output is correct
4	Correct	8 ms	10444 KB	Output is correct
5	Correct	7 ms	10444 KB	Output is correct
6	Correct	7 ms	10444 KB	Output is correct
7	Correct	7 ms	10444 KB	Output is correct
8	Correct	8 ms	10444 KB	Output is correct
9	Correct	7 ms	10488 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	10500 KB	Output is correct
14	Correct	7 ms	10444 KB	Output is correct
15	Correct	7 ms	10444 KB	Output is correct
16	Correct	32 ms	10444 KB	Output is correct
17	Correct	26 ms	10532 KB	Output is correct
18	Correct	27 ms	10528 KB	Output is correct
19	Correct	25 ms	10532 KB	Output is correct
20	Correct	27 ms	10532 KB	Output is correct
21	Correct	26 ms	10444 KB	Output is correct
22	Correct	26 ms	10436 KB	Output is correct
23	Correct	26 ms	10536 KB	Output is correct
24	Correct	26 ms	10444 KB	Output is correct
25	Correct	26 ms	10444 KB	Output is correct
26	Correct	25 ms	10444 KB	Output is correct
27	Correct	26 ms	10572 KB	Output is correct
28	Correct	1497 ms	10876 KB	Output is correct
29	Correct	1487 ms	10840 KB	Output is correct
30	Correct	1455 ms	10848 KB	Output is correct
31	Correct	1442 ms	10808 KB	Output is correct
32	Correct	1441 ms	10808 KB	Output is correct
33	Correct	1426 ms	10956 KB	Output is correct
34	Correct	1476 ms	10828 KB	Output is correct
35	Correct	1475 ms	10836 KB	Output is correct
36	Correct	1510 ms	10840 KB	Output is correct
37	Correct	1317 ms	10872 KB	Output is correct
38	Correct	1307 ms	11012 KB	Output is correct
39	Correct	1242 ms	10956 KB	Output is correct
40	Runtime error	15 ms	19532 KB	Execution killed with signal 11
41	Halted	0 ms	0 KB	-

답안 #412270

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