답안 #118272

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
118272	2019-06-18T14:00:42 Z	MvC	장난감 기차 (IOI17_train)	C++14	100 / 100	395 ms	8384 KB

train

// .... .... .....!
// ...... ......!
// .... ....... ..... ..!
// ...... ... ... .... ... .... .....!
// ... .. ... .... ...?

#include "train.h"
#include <vector>
#include <algorithm>
using namespace std;

#define rep(i, n) for (int i = 0, _n = (int)(n); i < _n; i++)
#define fer(i, x, n) for (int i = (int)(x), _n = (int)(n); i < _n; i++)
#define rof(i, n, x) for (int i = (int)(n), _x = (int)(x); i-- > _x; )
#define sz(x) (int((x).size()))
#define pb push_back
#define all(X) (X).begin(),(X).end()
#define X first
#define Y second

template<class P, class Q> inline void smin(P &a, Q b) { if (b < a) a = b; }
template<class P, class Q> inline void smax(P &a, Q b) { if (a < b) a = b; }

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

////////////////////////////////////////////////////////////////////////////////

const int maxn = 300000 + 100;

vector<int> radj[maxn];
int deg[maxn], need[maxn];

void dfs(int u, vector<int> &w) {
	for(int v: radj[u]) {
		need[v]--;
		if(!w[v] && need[v] == 0) dfs(v, w); // only dfs through non-charging vertices
	}
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	int n = sz(a);
	rep(i, sz(u)) radj[v[i]].pb(u[i]), deg[u[i]]++;
	vector<int> res(n, 1);
	for(bool cng = true; !(cng = !cng); ) {
		rep(i, n) need[i] = (a[i] ? 1 : deg[i]); // d only matters here
		rep(i, n) if(r[i] && res[i]) dfs(i, r); // dfs from yet-has-a-chance-to-win wells
		rep(i, n) if(r[i] && res[i] && need[i] > 0) res[i] = false, cng = true; // and see if they had no chance
	}
	rep(i, n) res[i] &= (need[i] <= 0); // look, more fopdoodles
	return res;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	7808 KB	Output is correct
2	Correct	13 ms	7808 KB	Output is correct
3	Correct	13 ms	7792 KB	Output is correct
4	Correct	13 ms	7812 KB	Output is correct
5	Correct	12 ms	7844 KB	Output is correct
6	Correct	12 ms	7808 KB	Output is correct
7	Correct	12 ms	7808 KB	Output is correct
8	Correct	11 ms	7808 KB	Output is correct
9	Correct	11 ms	7680 KB	Output is correct
10	Correct	10 ms	7680 KB	Output is correct
11	Correct	11 ms	7680 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	7424 KB	Output is correct
2	Correct	8 ms	7296 KB	Output is correct
3	Correct	8 ms	7424 KB	Output is correct
4	Correct	8 ms	7344 KB	Output is correct
5	Correct	8 ms	7296 KB	Output is correct
6	Correct	8 ms	7296 KB	Output is correct
7	Correct	8 ms	7424 KB	Output is correct
8	Correct	8 ms	7424 KB	Output is correct
9	Correct	8 ms	7344 KB	Output is correct
10	Correct	7 ms	7296 KB	Output is correct
11	Correct	7 ms	7296 KB	Output is correct
12	Correct	8 ms	7396 KB	Output is correct
13	Correct	8 ms	7384 KB	Output is correct
14	Correct	8 ms	7396 KB	Output is correct
15	Correct	7 ms	7296 KB	Output is correct
16	Correct	7 ms	7296 KB	Output is correct
17	Correct	7 ms	7424 KB	Output is correct
18	Correct	8 ms	7296 KB	Output is correct
19	Correct	7 ms	7296 KB	Output is correct
20	Correct	7 ms	7296 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	71 ms	8200 KB	Output is correct
2	Correct	127 ms	8344 KB	Output is correct
3	Correct	195 ms	8292 KB	Output is correct
4	Correct	14 ms	8240 KB	Output is correct
5	Correct	19 ms	8320 KB	Output is correct
6	Correct	16 ms	8292 KB	Output is correct
7	Correct	15 ms	8188 KB	Output is correct
8	Correct	14 ms	8192 KB	Output is correct
9	Correct	14 ms	8192 KB	Output is correct
10	Correct	14 ms	8192 KB	Output is correct
11	Correct	13 ms	8164 KB	Output is correct
12	Correct	13 ms	8064 KB	Output is correct
13	Correct	14 ms	8312 KB	Output is correct
14	Correct	15 ms	8320 KB	Output is correct
15	Correct	15 ms	8316 KB	Output is correct
16	Correct	14 ms	8320 KB	Output is correct
17	Correct	14 ms	8284 KB	Output is correct
18	Correct	286 ms	7968 KB	Output is correct

Subtask #4
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	7936 KB	Output is correct
2	Correct	14 ms	8112 KB	Output is correct
3	Correct	14 ms	8192 KB	Output is correct
4	Correct	15 ms	8320 KB	Output is correct
5	Correct	14 ms	8184 KB	Output is correct
6	Correct	14 ms	8192 KB	Output is correct
7	Correct	15 ms	8196 KB	Output is correct
8	Correct	13 ms	8192 KB	Output is correct
9	Correct	14 ms	8148 KB	Output is correct
10	Correct	14 ms	8192 KB	Output is correct
11	Correct	15 ms	8192 KB	Output is correct
12	Correct	14 ms	8256 KB	Output is correct
13	Correct	14 ms	8192 KB	Output is correct
14	Correct	13 ms	8152 KB	Output is correct

Subtask #5
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	8064 KB	Output is correct
2	Correct	15 ms	8384 KB	Output is correct
3	Correct	14 ms	8320 KB	Output is correct
4	Correct	14 ms	8192 KB	Output is correct
5	Correct	7 ms	7424 KB	Output is correct
6	Correct	10 ms	7840 KB	Output is correct
7	Correct	12 ms	7936 KB	Output is correct
8	Correct	12 ms	8060 KB	Output is correct
9	Correct	12 ms	7936 KB	Output is correct
10	Correct	9 ms	7552 KB	Output is correct
11	Correct	11 ms	7936 KB	Output is correct

Subtask #6
51.0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	7808 KB	Output is correct
2	Correct	13 ms	7808 KB	Output is correct
3	Correct	13 ms	7792 KB	Output is correct
4	Correct	13 ms	7812 KB	Output is correct
5	Correct	12 ms	7844 KB	Output is correct
6	Correct	12 ms	7808 KB	Output is correct
7	Correct	12 ms	7808 KB	Output is correct
8	Correct	11 ms	7808 KB	Output is correct
9	Correct	11 ms	7680 KB	Output is correct
10	Correct	10 ms	7680 KB	Output is correct
11	Correct	11 ms	7680 KB	Output is correct
12	Correct	8 ms	7424 KB	Output is correct
13	Correct	8 ms	7296 KB	Output is correct
14	Correct	8 ms	7424 KB	Output is correct
15	Correct	8 ms	7344 KB	Output is correct
16	Correct	8 ms	7296 KB	Output is correct
17	Correct	8 ms	7296 KB	Output is correct
18	Correct	8 ms	7424 KB	Output is correct
19	Correct	8 ms	7424 KB	Output is correct
20	Correct	8 ms	7344 KB	Output is correct
21	Correct	7 ms	7296 KB	Output is correct
22	Correct	7 ms	7296 KB	Output is correct
23	Correct	8 ms	7396 KB	Output is correct
24	Correct	8 ms	7384 KB	Output is correct
25	Correct	8 ms	7396 KB	Output is correct
26	Correct	7 ms	7296 KB	Output is correct
27	Correct	7 ms	7296 KB	Output is correct
28	Correct	7 ms	7424 KB	Output is correct
29	Correct	8 ms	7296 KB	Output is correct
30	Correct	7 ms	7296 KB	Output is correct
31	Correct	7 ms	7296 KB	Output is correct
32	Correct	71 ms	8200 KB	Output is correct
33	Correct	127 ms	8344 KB	Output is correct
34	Correct	195 ms	8292 KB	Output is correct
35	Correct	14 ms	8240 KB	Output is correct
36	Correct	19 ms	8320 KB	Output is correct
37	Correct	16 ms	8292 KB	Output is correct
38	Correct	15 ms	8188 KB	Output is correct
39	Correct	14 ms	8192 KB	Output is correct
40	Correct	14 ms	8192 KB	Output is correct
41	Correct	14 ms	8192 KB	Output is correct
42	Correct	13 ms	8164 KB	Output is correct
43	Correct	13 ms	8064 KB	Output is correct
44	Correct	14 ms	8312 KB	Output is correct
45	Correct	15 ms	8320 KB	Output is correct
46	Correct	15 ms	8316 KB	Output is correct
47	Correct	14 ms	8320 KB	Output is correct
48	Correct	14 ms	8284 KB	Output is correct
49	Correct	286 ms	7968 KB	Output is correct
50	Correct	12 ms	7936 KB	Output is correct
51	Correct	14 ms	8112 KB	Output is correct
52	Correct	14 ms	8192 KB	Output is correct
53	Correct	15 ms	8320 KB	Output is correct
54	Correct	14 ms	8184 KB	Output is correct
55	Correct	14 ms	8192 KB	Output is correct
56	Correct	15 ms	8196 KB	Output is correct
57	Correct	13 ms	8192 KB	Output is correct
58	Correct	14 ms	8148 KB	Output is correct
59	Correct	14 ms	8192 KB	Output is correct
60	Correct	15 ms	8192 KB	Output is correct
61	Correct	14 ms	8256 KB	Output is correct
62	Correct	14 ms	8192 KB	Output is correct
63	Correct	13 ms	8152 KB	Output is correct
64	Correct	14 ms	8064 KB	Output is correct
65	Correct	15 ms	8384 KB	Output is correct
66	Correct	14 ms	8320 KB	Output is correct
67	Correct	14 ms	8192 KB	Output is correct
68	Correct	7 ms	7424 KB	Output is correct
69	Correct	10 ms	7840 KB	Output is correct
70	Correct	12 ms	7936 KB	Output is correct
71	Correct	12 ms	8060 KB	Output is correct
72	Correct	12 ms	7936 KB	Output is correct
73	Correct	9 ms	7552 KB	Output is correct
74	Correct	11 ms	7936 KB	Output is correct
75	Correct	66 ms	8320 KB	Output is correct
76	Correct	141 ms	8292 KB	Output is correct
77	Correct	228 ms	8296 KB	Output is correct
78	Correct	222 ms	8288 KB	Output is correct
79	Correct	234 ms	8312 KB	Output is correct
80	Correct	15 ms	8284 KB	Output is correct
81	Correct	14 ms	8192 KB	Output is correct
82	Correct	15 ms	8192 KB	Output is correct
83	Correct	16 ms	8320 KB	Output is correct
84	Correct	17 ms	8312 KB	Output is correct
85	Correct	14 ms	8192 KB	Output is correct
86	Correct	18 ms	8320 KB	Output is correct
87	Correct	14 ms	8192 KB	Output is correct
88	Correct	20 ms	8292 KB	Output is correct
89	Correct	15 ms	8192 KB	Output is correct
90	Correct	23 ms	8284 KB	Output is correct
91	Correct	24 ms	8192 KB	Output is correct
92	Correct	79 ms	8284 KB	Output is correct
93	Correct	30 ms	8192 KB	Output is correct
94	Correct	32 ms	8192 KB	Output is correct
95	Correct	34 ms	8272 KB	Output is correct
96	Correct	63 ms	8196 KB	Output is correct
97	Correct	244 ms	8276 KB	Output is correct
98	Correct	346 ms	8252 KB	Output is correct
99	Correct	395 ms	8236 KB	Output is correct
100	Correct	285 ms	7968 KB	Output is correct

답안 #118272

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 11.0 / 11.0

Subtask #4 11.0 / 11.0

Subtask #5 12.0 / 12.0

Subtask #6 51.0 / 51.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
11.0 / 11.0

Subtask #4
11.0 / 11.0

Subtask #5
12.0 / 12.0

Subtask #6
51.0 / 51.0