답안 #1064435

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1064435	2024-08-18T12:40:17 Z	Shadow1	Infinite Race (EGOI24_infiniterace2)	C++17	100 / 100	28 ms	4964 KB

Main

// Programmer: Shadow1

#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
using namespace std;

using ll = long long;
using ld = long double;
using ull = unsigned long long;
using str = string; // yay python!

#define i64 int64_t
#define show(x) cerr << (#x) << " = " << (x) << '\n';
#define output_vector(v) for(auto &x : v){cout << x << ' ';}cout << '\n';
#define output_pairvector(v) for(auto &x : v){cout << x.first << " " << x.second << '\n';}
#define vt vector
#define pq priority_queue
#define pb push_back
#define eb emplace_back
#define pii pair<int,int>
#define umap unordered_map
#define uset unordered_set
#define fir first
#define sec second
#define sz(x) ll(x.size())
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int ll
#define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end());

// T: O(n^3)
// M : O(n + k log n) 

void solve() {
	int n, q;
	cin >> n >> q;
	vector<int> cnt(n), last(n);
	vector<bool> ahead(n);
	int lap = 1;
	while(q--) {
		int x; cin >> x;
		if(x > 0) {
			lap += (last[x] == lap && ahead[x]);
			last[x] = lap;
			ahead[x] = true;
		} else {
			ahead[abs(x)] = false;
		}
	}
	cout << lap - 1 << '\n';
}
	


signed main() {
	// freopen("output.txt", "w", stdout);
	// freopen("input.txt", "r", stdin);
	ios::sync_with_stdio(false);
	cin.tie(NULL); 
	int T = 1;
	// cin >> T;

	while(T--)
		solve();
	return 0;
}

/* CHECK :
1. COMPARATOR FUNCTION MUST RETURN FALSE WHEN ARGUMENTS ARE EQUAL!!!
2. Overflow! Typecase int64_t on operations if varaibles are int
3. Check array bounds!!!
4. Check array indexing!!!
5. Edge cases. (N==1)!!!
*/

Subtask #1
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	10 ms	860 KB	Output is correct
5	Correct	9 ms	944 KB	Output is correct
6	Correct	9 ms	856 KB	Output is correct
7	Correct	8 ms	828 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	7 ms	600 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	9 ms	832 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	9 ms	816 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	9 ms	820 KB	Output is correct
17	Correct	1 ms	856 KB	Output is correct
18	Correct	7 ms	604 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct

Subtask #2
34.0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	7 ms	600 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	12 ms	4700 KB	Output is correct
6	Correct	2 ms	3416 KB	Output is correct
7	Correct	8 ms	604 KB	Output is correct
8	Correct	8 ms	604 KB	Output is correct
9	Correct	7 ms	604 KB	Output is correct
10	Correct	9 ms	956 KB	Output is correct
11	Correct	9 ms	1116 KB	Output is correct
12	Correct	9 ms	1400 KB	Output is correct
13	Correct	22 ms	2136 KB	Output is correct
14	Correct	28 ms	4628 KB	Output is correct
15	Correct	18 ms	4752 KB	Output is correct
16	Correct	17 ms	4700 KB	Output is correct
17	Correct	0 ms	464 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	15 ms	4764 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	13 ms	4696 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	2 ms	3420 KB	Output is correct
24	Correct	0 ms	352 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	460 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	10 ms	860 KB	Output is correct
5	Correct	9 ms	944 KB	Output is correct
6	Correct	9 ms	856 KB	Output is correct
7	Correct	8 ms	828 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	7 ms	600 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	9 ms	832 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	9 ms	816 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	9 ms	820 KB	Output is correct
17	Correct	1 ms	856 KB	Output is correct
18	Correct	7 ms	604 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	7 ms	600 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	12 ms	4700 KB	Output is correct
26	Correct	2 ms	3416 KB	Output is correct
27	Correct	8 ms	604 KB	Output is correct
28	Correct	8 ms	604 KB	Output is correct
29	Correct	7 ms	604 KB	Output is correct
30	Correct	9 ms	956 KB	Output is correct
31	Correct	9 ms	1116 KB	Output is correct
32	Correct	9 ms	1400 KB	Output is correct
33	Correct	22 ms	2136 KB	Output is correct
34	Correct	28 ms	4628 KB	Output is correct
35	Correct	18 ms	4752 KB	Output is correct
36	Correct	17 ms	4700 KB	Output is correct
37	Correct	0 ms	464 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	15 ms	4764 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	13 ms	4696 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	2 ms	3420 KB	Output is correct
44	Correct	0 ms	352 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	344 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	0 ms	348 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	0 ms	348 KB	Output is correct
59	Correct	0 ms	348 KB	Output is correct
60	Correct	0 ms	348 KB	Output is correct
61	Correct	0 ms	348 KB	Output is correct
62	Correct	0 ms	348 KB	Output is correct
63	Correct	0 ms	460 KB	Output is correct
64	Correct	0 ms	348 KB	Output is correct
65	Correct	0 ms	348 KB	Output is correct
66	Correct	0 ms	344 KB	Output is correct
67	Correct	0 ms	348 KB	Output is correct
68	Correct	1 ms	348 KB	Output is correct
69	Correct	0 ms	348 KB	Output is correct
70	Correct	0 ms	348 KB	Output is correct
71	Correct	0 ms	348 KB	Output is correct
72	Correct	9 ms	728 KB	Output is correct
73	Correct	11 ms	860 KB	Output is correct
74	Correct	8 ms	860 KB	Output is correct
75	Correct	8 ms	860 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	344 KB	Output is correct
78	Correct	7 ms	696 KB	Output is correct
79	Correct	0 ms	344 KB	Output is correct
80	Correct	8 ms	1112 KB	Output is correct
81	Correct	0 ms	348 KB	Output is correct
82	Correct	8 ms	856 KB	Output is correct
83	Correct	0 ms	348 KB	Output is correct
84	Correct	9 ms	944 KB	Output is correct
85	Correct	1 ms	344 KB	Output is correct
86	Correct	13 ms	604 KB	Output is correct
87	Correct	1 ms	348 KB	Output is correct
88	Correct	22 ms	4700 KB	Output is correct
89	Correct	2 ms	3420 KB	Output is correct
90	Correct	7 ms	604 KB	Output is correct
91	Correct	7 ms	604 KB	Output is correct
92	Correct	13 ms	600 KB	Output is correct
93	Correct	8 ms	860 KB	Output is correct
94	Correct	9 ms	1088 KB	Output is correct
95	Correct	10 ms	1396 KB	Output is correct
96	Correct	20 ms	2136 KB	Output is correct
97	Correct	16 ms	4700 KB	Output is correct
98	Correct	17 ms	4700 KB	Output is correct
99	Correct	18 ms	4696 KB	Output is correct
100	Correct	0 ms	348 KB	Output is correct
101	Correct	0 ms	348 KB	Output is correct
102	Correct	14 ms	4696 KB	Output is correct
103	Correct	0 ms	348 KB	Output is correct
104	Correct	16 ms	4712 KB	Output is correct
105	Correct	0 ms	348 KB	Output is correct
106	Correct	1 ms	344 KB	Output is correct
107	Correct	1 ms	344 KB	Output is correct
108	Correct	1 ms	348 KB	Output is correct
109	Correct	1 ms	348 KB	Output is correct
110	Correct	0 ms	348 KB	Output is correct
111	Correct	0 ms	348 KB	Output is correct
112	Correct	20 ms	4956 KB	Output is correct
113	Correct	13 ms	2392 KB	Output is correct
114	Correct	13 ms	4956 KB	Output is correct
115	Correct	12 ms	2236 KB	Output is correct
116	Correct	17 ms	4700 KB	Output is correct
117	Correct	1 ms	3420 KB	Output is correct
118	Correct	14 ms	940 KB	Output is correct
119	Correct	10 ms	948 KB	Output is correct
120	Correct	9 ms	856 KB	Output is correct
121	Correct	16 ms	948 KB	Output is correct
122	Correct	12 ms	1116 KB	Output is correct
123	Correct	11 ms	1372 KB	Output is correct
124	Correct	12 ms	2276 KB	Output is correct
125	Correct	14 ms	4964 KB	Output is correct
126	Correct	14 ms	4956 KB	Output is correct
127	Correct	14 ms	4956 KB	Output is correct
128	Correct	14 ms	4956 KB	Output is correct
129	Correct	14 ms	4956 KB	Output is correct
130	Correct	0 ms	348 KB	Output is correct
131	Correct	0 ms	344 KB	Output is correct
132	Correct	0 ms	348 KB	Output is correct
133	Correct	1 ms	3420 KB	Output is correct
134	Correct	0 ms	348 KB	Output is correct

답안 #1064435

Compilation message

Subtask #1 29.0 / 29.0

Subtask #2 34.0 / 34.0

Subtask #3 22.0 / 22.0

Subtask #4 15.0 / 15.0

Subtask #1
29.0 / 29.0

Subtask #2
34.0 / 34.0

Subtask #3
22.0 / 22.0

Subtask #4
15.0 / 15.0