답안 #624249

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
624249	2022-08-07T14:50:45 Z	Arinoor	Watermelon (INOI20_watermelon)	C++17	100 / 100	145 ms	9656 KB

Main

#include <bits/stdc++.h>
using namespace std;

#define pb				push_back
#define mp				make_pair
#define fi				first
#define se				second
#define all(x)			x.begin(), x.end()
#define bug(x)			cout << #x << " : " << x << '\n'
#define ios				ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0)

typedef long long ll;
typedef pair<int, int> pii;

const int maxn = 1e5 + 10;
const int maxlg = 17;
const int mod = 1e9 + 7;
const int inf = 1e9 + 10;

int n, a[maxn], b[maxn], d[maxn], D[maxn], t[maxn];
int vis[maxn];
int fen[maxn];
vector<int> G[maxn];

void dfs(int v){
	vis[v] = 1;
	for(int u : G[v]){
		if(!vis[u])
			dfs(u);
		else if(vis[u] == 1){
			cout << "-1\n";
			exit(0);
		}
	}
	vis[v] = 2;
}

void add(int i, int x){
	for(; i <= n; i += i & -i)
		fen[i] += x;
}

int get(int t){
	int x = 0;
	for(int i = maxlg - 1; ~i; i --){
		int j = x + (1 << i);
		if(j <= n and fen[j] < t){
			x = j;
			t -= fen[j];
		}
	}
	return x + 1;
}

int main(){
	ios;
	int k;
	cin >> n >> k;
	for(int i = 1; i <= n; i ++)
		cin >> b[i];
	if(~b[n])
		return cout << "-1\n", 0;
	vector<pii> S;
	for(int i = n; i; i --){
		if(b[i] == -1){
			if(!S.empty()){
				G[S.front().fi].pb(i);
				d[i] ++;
			}
			S.clear();
			S.pb(mp(i, inf));
		}
		else{
			pii last = mp(0, 0);
			while(S.back().se < b[i]){
				last = S.back();
				S.pop_back();
			}
			if(b[i] != last.se + 1)
				return cout << "-1\n", 0;
			if(last.fi){
				G[last.fi].pb(i);
				d[i] ++;
			}
			G[i].pb(S.back().fi);
			d[S.back().fi] ++;
			if(S.back().se == b[i]){
				S.pop_back();
			}
			S.pb(mp(i, b[i]));
		}
	}
	for(int i = 1; i <= n; i ++)
		if(!vis[i])
			dfs(i);
	for(int i = 1; i <= n; i ++)
		t[i] = 1;
	for(int i = 1; i <= k; i ++){
		memset(fen, 0, sizeof fen);
		int last = 0, cnt = 0;
		for(int i = 1; i <= n; i ++){
			D[i] = d[i];
			if(!D[i]){
				add(i, 1);
				cnt ++;
			}
		}
		for(int j = 1; j <= n; j ++){
			int x = get(t[j]);
			if(cnt > t[j])
				last = j;
			add(x, -1);
			cnt --;
			a[x] = j;
			for(int u : G[x]){
				if(!(--D[u])){
					add(u, 1);
					cnt ++;
				}
			}
		}
		if(i == k){
			for(int j = 1; j <= n; j ++)
				cout << a[j] << ' ';
			return cout << '\n', 0;
		}
		if(!last)
			return cout << "-1\n", 0;
		t[last] ++;
		for(int j = last + 1; j <= n; j ++)
			t[j] = 1;
	}
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3028 KB	Output is correct
2	Correct	1 ms	3028 KB	Output is correct
3	Correct	3 ms	3028 KB	Output is correct
4	Correct	1 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	2 ms	2644 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	2 ms	2664 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	3 ms	3028 KB	Output is correct
13	Correct	2 ms	3028 KB	Output is correct
14	Correct	2 ms	3064 KB	Output is correct
15	Correct	3 ms	3028 KB	Output is correct
16	Correct	2 ms	3028 KB	Output is correct
17	Correct	2 ms	3028 KB	Output is correct
18	Correct	2 ms	3028 KB	Output is correct
19	Correct	1 ms	2644 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2680 KB	Output is correct
24	Correct	2 ms	2644 KB	Output is correct
25	Correct	3 ms	3068 KB	Output is correct
26	Correct	2 ms	3028 KB	Output is correct
27	Correct	2 ms	3028 KB	Output is correct
28	Correct	2 ms	3028 KB	Output is correct
29	Correct	2 ms	3068 KB	Output is correct
30	Correct	1 ms	3028 KB	Output is correct
31	Correct	2 ms	3028 KB	Output is correct
32	Correct	2 ms	3028 KB	Output is correct
33	Correct	2 ms	3028 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3028 KB	Output is correct
2	Correct	1 ms	3028 KB	Output is correct
3	Correct	3 ms	3028 KB	Output is correct
4	Correct	1 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	2 ms	2644 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	2 ms	2664 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	3 ms	3028 KB	Output is correct
13	Correct	2 ms	3028 KB	Output is correct
14	Correct	2 ms	3064 KB	Output is correct
15	Correct	3 ms	3028 KB	Output is correct
16	Correct	2 ms	3028 KB	Output is correct
17	Correct	2 ms	3028 KB	Output is correct
18	Correct	2 ms	3028 KB	Output is correct
19	Correct	1 ms	2644 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2680 KB	Output is correct
24	Correct	2 ms	2644 KB	Output is correct
25	Correct	3 ms	3068 KB	Output is correct
26	Correct	2 ms	3028 KB	Output is correct
27	Correct	2 ms	3028 KB	Output is correct
28	Correct	2 ms	3028 KB	Output is correct
29	Correct	2 ms	3068 KB	Output is correct
30	Correct	1 ms	3028 KB	Output is correct
31	Correct	2 ms	3028 KB	Output is correct
32	Correct	2 ms	3028 KB	Output is correct
33	Correct	2 ms	3028 KB	Output is correct
34	Correct	3 ms	3156 KB	Output is correct
35	Correct	3 ms	3156 KB	Output is correct
36	Correct	2 ms	2644 KB	Output is correct
37	Correct	2 ms	2644 KB	Output is correct
38	Correct	3 ms	3156 KB	Output is correct
39	Correct	3 ms	3196 KB	Output is correct
40	Correct	4 ms	3156 KB	Output is correct
41	Correct	4 ms	3196 KB	Output is correct
42	Correct	5 ms	3156 KB	Output is correct
43	Correct	4 ms	3156 KB	Output is correct
44	Correct	4 ms	3156 KB	Output is correct
45	Correct	2 ms	3156 KB	Output is correct
46	Correct	3 ms	3164 KB	Output is correct
47	Correct	3 ms	2688 KB	Output is correct
48	Correct	2 ms	2688 KB	Output is correct
49	Correct	2 ms	2660 KB	Output is correct
50	Correct	2 ms	2704 KB	Output is correct
51	Correct	2 ms	2700 KB	Output is correct
52	Correct	2 ms	2708 KB	Output is correct
53	Correct	3 ms	3172 KB	Output is correct
54	Correct	4 ms	3172 KB	Output is correct
55	Correct	2 ms	2660 KB	Output is correct
56	Correct	2 ms	2644 KB	Output is correct
57	Correct	5 ms	3156 KB	Output is correct
58	Correct	5 ms	3192 KB	Output is correct
59	Correct	4 ms	3200 KB	Output is correct
60	Correct	3 ms	3196 KB	Output is correct
61	Correct	3 ms	3156 KB	Output is correct
62	Correct	3 ms	3200 KB	Output is correct
63	Correct	2 ms	3156 KB	Output is correct
64	Correct	2 ms	3080 KB	Output is correct
65	Correct	3 ms	3156 KB	Output is correct

Subtask #3
31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	6100 KB	Output is correct
2	Correct	6 ms	2868 KB	Output is correct
3	Correct	17 ms	6112 KB	Output is correct
4	Correct	5 ms	2836 KB	Output is correct
5	Correct	19 ms	6084 KB	Output is correct
6	Correct	19 ms	6112 KB	Output is correct
7	Correct	19 ms	6092 KB	Output is correct
8	Correct	17 ms	6000 KB	Output is correct
9	Correct	17 ms	6044 KB	Output is correct
10	Correct	18 ms	6052 KB	Output is correct
11	Correct	37 ms	9168 KB	Output is correct
12	Correct	34 ms	9036 KB	Output is correct
13	Correct	36 ms	9024 KB	Output is correct
14	Correct	37 ms	9036 KB	Output is correct
15	Correct	8 ms	3028 KB	Output is correct
16	Correct	8 ms	3028 KB	Output is correct
17	Correct	8 ms	3028 KB	Output is correct
18	Correct	8 ms	3028 KB	Output is correct
19	Correct	8 ms	3028 KB	Output is correct
20	Correct	8 ms	2984 KB	Output is correct
21	Correct	8 ms	3064 KB	Output is correct
22	Correct	9 ms	3028 KB	Output is correct
23	Correct	8 ms	3040 KB	Output is correct
24	Correct	32 ms	9112 KB	Output is correct
25	Correct	36 ms	9036 KB	Output is correct
26	Correct	36 ms	9036 KB	Output is correct
27	Correct	33 ms	9068 KB	Output is correct
28	Correct	33 ms	9036 KB	Output is correct
29	Correct	36 ms	9080 KB	Output is correct
30	Correct	13 ms	4820 KB	Output is correct
31	Correct	18 ms	6028 KB	Output is correct
32	Correct	40 ms	8484 KB	Output is correct
33	Correct	35 ms	9036 KB	Output is correct
34	Correct	5 ms	3668 KB	Output is correct
35	Correct	7 ms	4180 KB	Output is correct
36	Correct	17 ms	6100 KB	Output is correct
37	Correct	31 ms	9044 KB	Output is correct
38	Correct	34 ms	9120 KB	Output is correct
39	Correct	38 ms	9120 KB	Output is correct
40	Correct	31 ms	9072 KB	Output is correct
41	Correct	35 ms	9028 KB	Output is correct

Subtask #4
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	6100 KB	Output is correct
2	Correct	6 ms	2868 KB	Output is correct
3	Correct	17 ms	6112 KB	Output is correct
4	Correct	5 ms	2836 KB	Output is correct
5	Correct	19 ms	6084 KB	Output is correct
6	Correct	19 ms	6112 KB	Output is correct
7	Correct	19 ms	6092 KB	Output is correct
8	Correct	17 ms	6000 KB	Output is correct
9	Correct	17 ms	6044 KB	Output is correct
10	Correct	18 ms	6052 KB	Output is correct
11	Correct	37 ms	9168 KB	Output is correct
12	Correct	34 ms	9036 KB	Output is correct
13	Correct	36 ms	9024 KB	Output is correct
14	Correct	37 ms	9036 KB	Output is correct
15	Correct	8 ms	3028 KB	Output is correct
16	Correct	8 ms	3028 KB	Output is correct
17	Correct	8 ms	3028 KB	Output is correct
18	Correct	8 ms	3028 KB	Output is correct
19	Correct	8 ms	3028 KB	Output is correct
20	Correct	8 ms	2984 KB	Output is correct
21	Correct	8 ms	3064 KB	Output is correct
22	Correct	9 ms	3028 KB	Output is correct
23	Correct	8 ms	3040 KB	Output is correct
24	Correct	32 ms	9112 KB	Output is correct
25	Correct	36 ms	9036 KB	Output is correct
26	Correct	36 ms	9036 KB	Output is correct
27	Correct	33 ms	9068 KB	Output is correct
28	Correct	33 ms	9036 KB	Output is correct
29	Correct	36 ms	9080 KB	Output is correct
30	Correct	13 ms	4820 KB	Output is correct
31	Correct	18 ms	6028 KB	Output is correct
32	Correct	40 ms	8484 KB	Output is correct
33	Correct	35 ms	9036 KB	Output is correct
34	Correct	5 ms	3668 KB	Output is correct
35	Correct	7 ms	4180 KB	Output is correct
36	Correct	17 ms	6100 KB	Output is correct
37	Correct	31 ms	9044 KB	Output is correct
38	Correct	34 ms	9120 KB	Output is correct
39	Correct	38 ms	9120 KB	Output is correct
40	Correct	31 ms	9072 KB	Output is correct
41	Correct	35 ms	9028 KB	Output is correct
42	Correct	21 ms	6100 KB	Output is correct
43	Correct	7 ms	3080 KB	Output is correct
44	Correct	22 ms	6124 KB	Output is correct
45	Correct	6 ms	3156 KB	Output is correct
46	Correct	6 ms	3028 KB	Output is correct
47	Correct	5 ms	3056 KB	Output is correct
48	Correct	6 ms	3028 KB	Output is correct
49	Correct	22 ms	6100 KB	Output is correct
50	Correct	23 ms	6124 KB	Output is correct
51	Correct	28 ms	6128 KB	Output is correct
52	Correct	45 ms	9316 KB	Output is correct
53	Correct	42 ms	9288 KB	Output is correct
54	Correct	11 ms	3540 KB	Output is correct
55	Correct	10 ms	3588 KB	Output is correct
56	Correct	38 ms	8808 KB	Output is correct
57	Correct	43 ms	9376 KB	Output is correct
58	Correct	48 ms	9384 KB	Output is correct
59	Correct	43 ms	9240 KB	Output is correct
60	Correct	40 ms	9432 KB	Output is correct
61	Correct	36 ms	9304 KB	Output is correct
62	Correct	28 ms	9084 KB	Output is correct
63	Correct	43 ms	9544 KB	Output is correct
64	Correct	41 ms	9564 KB	Output is correct

Subtask #5
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3028 KB	Output is correct
2	Correct	1 ms	3028 KB	Output is correct
3	Correct	3 ms	3028 KB	Output is correct
4	Correct	1 ms	2644 KB	Output is correct
5	Correct	2 ms	2644 KB	Output is correct
6	Correct	1 ms	2644 KB	Output is correct
7	Correct	1 ms	2644 KB	Output is correct
8	Correct	2 ms	2644 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	2 ms	2664 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	3 ms	3028 KB	Output is correct
13	Correct	2 ms	3028 KB	Output is correct
14	Correct	2 ms	3064 KB	Output is correct
15	Correct	3 ms	3028 KB	Output is correct
16	Correct	2 ms	3028 KB	Output is correct
17	Correct	2 ms	3028 KB	Output is correct
18	Correct	2 ms	3028 KB	Output is correct
19	Correct	1 ms	2644 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2680 KB	Output is correct
24	Correct	2 ms	2644 KB	Output is correct
25	Correct	3 ms	3068 KB	Output is correct
26	Correct	2 ms	3028 KB	Output is correct
27	Correct	2 ms	3028 KB	Output is correct
28	Correct	2 ms	3028 KB	Output is correct
29	Correct	2 ms	3068 KB	Output is correct
30	Correct	1 ms	3028 KB	Output is correct
31	Correct	2 ms	3028 KB	Output is correct
32	Correct	2 ms	3028 KB	Output is correct
33	Correct	2 ms	3028 KB	Output is correct
34	Correct	3 ms	3156 KB	Output is correct
35	Correct	3 ms	3156 KB	Output is correct
36	Correct	2 ms	2644 KB	Output is correct
37	Correct	2 ms	2644 KB	Output is correct
38	Correct	3 ms	3156 KB	Output is correct
39	Correct	3 ms	3196 KB	Output is correct
40	Correct	4 ms	3156 KB	Output is correct
41	Correct	4 ms	3196 KB	Output is correct
42	Correct	5 ms	3156 KB	Output is correct
43	Correct	4 ms	3156 KB	Output is correct
44	Correct	4 ms	3156 KB	Output is correct
45	Correct	2 ms	3156 KB	Output is correct
46	Correct	3 ms	3164 KB	Output is correct
47	Correct	3 ms	2688 KB	Output is correct
48	Correct	2 ms	2688 KB	Output is correct
49	Correct	2 ms	2660 KB	Output is correct
50	Correct	2 ms	2704 KB	Output is correct
51	Correct	2 ms	2700 KB	Output is correct
52	Correct	2 ms	2708 KB	Output is correct
53	Correct	3 ms	3172 KB	Output is correct
54	Correct	4 ms	3172 KB	Output is correct
55	Correct	2 ms	2660 KB	Output is correct
56	Correct	2 ms	2644 KB	Output is correct
57	Correct	5 ms	3156 KB	Output is correct
58	Correct	5 ms	3192 KB	Output is correct
59	Correct	4 ms	3200 KB	Output is correct
60	Correct	3 ms	3196 KB	Output is correct
61	Correct	3 ms	3156 KB	Output is correct
62	Correct	3 ms	3200 KB	Output is correct
63	Correct	2 ms	3156 KB	Output is correct
64	Correct	2 ms	3080 KB	Output is correct
65	Correct	3 ms	3156 KB	Output is correct
66	Correct	17 ms	6100 KB	Output is correct
67	Correct	6 ms	2868 KB	Output is correct
68	Correct	17 ms	6112 KB	Output is correct
69	Correct	5 ms	2836 KB	Output is correct
70	Correct	19 ms	6084 KB	Output is correct
71	Correct	19 ms	6112 KB	Output is correct
72	Correct	19 ms	6092 KB	Output is correct
73	Correct	17 ms	6000 KB	Output is correct
74	Correct	17 ms	6044 KB	Output is correct
75	Correct	18 ms	6052 KB	Output is correct
76	Correct	37 ms	9168 KB	Output is correct
77	Correct	34 ms	9036 KB	Output is correct
78	Correct	36 ms	9024 KB	Output is correct
79	Correct	37 ms	9036 KB	Output is correct
80	Correct	8 ms	3028 KB	Output is correct
81	Correct	8 ms	3028 KB	Output is correct
82	Correct	8 ms	3028 KB	Output is correct
83	Correct	8 ms	3028 KB	Output is correct
84	Correct	8 ms	3028 KB	Output is correct
85	Correct	8 ms	2984 KB	Output is correct
86	Correct	8 ms	3064 KB	Output is correct
87	Correct	9 ms	3028 KB	Output is correct
88	Correct	8 ms	3040 KB	Output is correct
89	Correct	32 ms	9112 KB	Output is correct
90	Correct	36 ms	9036 KB	Output is correct
91	Correct	36 ms	9036 KB	Output is correct
92	Correct	33 ms	9068 KB	Output is correct
93	Correct	33 ms	9036 KB	Output is correct
94	Correct	36 ms	9080 KB	Output is correct
95	Correct	13 ms	4820 KB	Output is correct
96	Correct	18 ms	6028 KB	Output is correct
97	Correct	40 ms	8484 KB	Output is correct
98	Correct	35 ms	9036 KB	Output is correct
99	Correct	5 ms	3668 KB	Output is correct
100	Correct	7 ms	4180 KB	Output is correct
101	Correct	17 ms	6100 KB	Output is correct
102	Correct	31 ms	9044 KB	Output is correct
103	Correct	34 ms	9120 KB	Output is correct
104	Correct	38 ms	9120 KB	Output is correct
105	Correct	31 ms	9072 KB	Output is correct
106	Correct	35 ms	9028 KB	Output is correct
107	Correct	21 ms	6100 KB	Output is correct
108	Correct	7 ms	3080 KB	Output is correct
109	Correct	22 ms	6124 KB	Output is correct
110	Correct	6 ms	3156 KB	Output is correct
111	Correct	6 ms	3028 KB	Output is correct
112	Correct	5 ms	3056 KB	Output is correct
113	Correct	6 ms	3028 KB	Output is correct
114	Correct	22 ms	6100 KB	Output is correct
115	Correct	23 ms	6124 KB	Output is correct
116	Correct	28 ms	6128 KB	Output is correct
117	Correct	45 ms	9316 KB	Output is correct
118	Correct	42 ms	9288 KB	Output is correct
119	Correct	11 ms	3540 KB	Output is correct
120	Correct	10 ms	3588 KB	Output is correct
121	Correct	38 ms	8808 KB	Output is correct
122	Correct	43 ms	9376 KB	Output is correct
123	Correct	48 ms	9384 KB	Output is correct
124	Correct	43 ms	9240 KB	Output is correct
125	Correct	40 ms	9432 KB	Output is correct
126	Correct	36 ms	9304 KB	Output is correct
127	Correct	28 ms	9084 KB	Output is correct
128	Correct	43 ms	9544 KB	Output is correct
129	Correct	41 ms	9564 KB	Output is correct
130	Correct	2 ms	3068 KB	Output is correct
131	Correct	2 ms	3028 KB	Output is correct
132	Correct	2 ms	3028 KB	Output is correct
133	Correct	87 ms	9232 KB	Output is correct
134	Correct	109 ms	9244 KB	Output is correct
135	Correct	116 ms	9300 KB	Output is correct
136	Correct	9 ms	3512 KB	Output is correct
137	Correct	9 ms	3508 KB	Output is correct
138	Correct	9 ms	3540 KB	Output is correct
139	Correct	10 ms	3540 KB	Output is correct
140	Correct	10 ms	3540 KB	Output is correct
141	Correct	13 ms	3512 KB	Output is correct
142	Correct	122 ms	9384 KB	Output is correct
143	Correct	116 ms	9248 KB	Output is correct
144	Correct	113 ms	9420 KB	Output is correct
145	Correct	97 ms	8748 KB	Output is correct
146	Correct	109 ms	9332 KB	Output is correct
147	Correct	120 ms	9292 KB	Output is correct
148	Correct	84 ms	9280 KB	Output is correct
149	Correct	145 ms	9288 KB	Output is correct
150	Correct	60 ms	9288 KB	Output is correct
151	Correct	81 ms	9536 KB	Output is correct
152	Correct	91 ms	9536 KB	Output is correct
153	Correct	36 ms	9512 KB	Output is correct
154	Correct	37 ms	9592 KB	Output is correct
155	Correct	38 ms	9596 KB	Output is correct
156	Correct	35 ms	9544 KB	Output is correct
157	Correct	34 ms	9656 KB	Output is correct
158	Correct	34 ms	9592 KB	Output is correct
159	Correct	33 ms	9604 KB	Output is correct
160	Correct	35 ms	9544 KB	Output is correct

답안 #624249

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 25.0 / 25.0

Subtask #3 31.0 / 31.0

Subtask #4 18.0 / 18.0

Subtask #5 19.0 / 19.0

Subtask #1
7.0 / 7.0

Subtask #2
25.0 / 25.0

Subtask #3
31.0 / 31.0

Subtask #4
18.0 / 18.0

Subtask #5
19.0 / 19.0