oj.uz

Submission #1080265

# Submission time Handle Problem Language Result Execution time Memory
1080265 2024-08-29T08:27:16 Z wiwiho Infinite Race (EGOI24_infiniterace2) C++14
100 / 100
 24 ms 2904 KB 
#include <bits/stdc++.h>
using namespace std;

#define iter(v) v.begin(), v.end()
#define pb emplace_back
#define ff first
#define ss second

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

#ifdef zisk
void debug() { cerr << "\n"; }
template<class T, class ... U>
void debug(T a, U... b) {
	cerr << a << " ", debug(b...);
}
template<class T>
void pary(T l, T r){
	while (l != r) cerr << *l << " ", l++;
	cerr << "\n";
}
#else
#define debug(...) void()
#define pary(...) void()
#endif

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	int n;
	cin >> n;

	vector<int> r(n + 1);
	vector<bool> back(n + 1);
	int cur = 0;

	auto is_back = [&](int x) {
		return r[x] == cur && back[x];
	};

	int q;
	cin >> q;
	while (q--) {
		int x;
		cin >> x;
		if (x > 0) {
			if (is_back(x)) cur++;
			r[x] = cur;
			back[x] = true;
		}
		else {
			back[-x] = false;
		}
	}
	cout << cur << "\n";

}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 10 ms 856 KB Output is correct
5 Correct 11 ms 860 KB Output is correct
6 Correct 9 ms 944 KB Output is correct
7 Correct 8 ms 724 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 7 ms 848 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 8 ms 860 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 8 ms 824 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 9 ms 860 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 14 ms 824 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 348 KB Output is correct

Subtask #2
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 8 ms 692 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 12 ms 2288 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 8 ms 604 KB Output is correct
8 Correct 9 ms 604 KB Output is correct
9 Correct 8 ms 600 KB Output is correct
10 Correct 11 ms 984 KB Output is correct
11 Correct 9 ms 1116 KB Output is correct
12 Correct 10 ms 1372 KB Output is correct
13 Correct 11 ms 1752 KB Output is correct
14 Correct 24 ms 2392 KB Output is correct
15 Correct 14 ms 2396 KB Output is correct
16 Correct 22 ms 2420 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 14 ms 2404 KB Output is correct
20 Correct 0 ms 352 KB Output is correct
21 Correct 15 ms 2396 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 1116 KB Output is correct
24 Correct 0 ms 348 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 452 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 456 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 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 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 10 ms 856 KB Output is correct
5 Correct 11 ms 860 KB Output is correct
6 Correct 9 ms 944 KB Output is correct
7 Correct 8 ms 724 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 7 ms 848 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 8 ms 860 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 8 ms 824 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 9 ms 860 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 14 ms 824 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 8 ms 692 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 12 ms 2288 KB Output is correct
26 Correct 1 ms 1116 KB Output is correct
27 Correct 8 ms 604 KB Output is correct
28 Correct 9 ms 604 KB Output is correct
29 Correct 8 ms 600 KB Output is correct
30 Correct 11 ms 984 KB Output is correct
31 Correct 9 ms 1116 KB Output is correct
32 Correct 10 ms 1372 KB Output is correct
33 Correct 11 ms 1752 KB Output is correct
34 Correct 24 ms 2392 KB Output is correct
35 Correct 14 ms 2396 KB Output is correct
36 Correct 22 ms 2420 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 14 ms 2404 KB Output is correct
40 Correct 0 ms 352 KB Output is correct
41 Correct 15 ms 2396 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 1116 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 452 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 600 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 0 ms 456 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 0 ms 344 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 1 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 1 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 1 ms 348 KB Output is correct
67 Correct 1 ms 348 KB Output is correct
68 Correct 1 ms 348 KB Output is correct
69 Correct 1 ms 456 KB Output is correct
70 Correct 1 ms 348 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 9 ms 860 KB Output is correct
73 Correct 10 ms 860 KB Output is correct
74 Correct 9 ms 856 KB Output is correct
75 Correct 9 ms 824 KB Output is correct
76 Correct 1 ms 600 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 7 ms 832 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 8 ms 824 KB Output is correct
81 Correct 0 ms 344 KB Output is correct
82 Correct 9 ms 860 KB Output is correct
83 Correct 1 ms 348 KB Output is correct
84 Correct 9 ms 860 KB Output is correct
85 Correct 1 ms 348 KB Output is correct
86 Correct 10 ms 848 KB Output is correct
87 Correct 0 ms 460 KB Output is correct
88 Correct 12 ms 2396 KB Output is correct
89 Correct 1 ms 1116 KB Output is correct
90 Correct 8 ms 820 KB Output is correct
91 Correct 9 ms 852 KB Output is correct
92 Correct 10 ms 852 KB Output is correct
93 Correct 10 ms 860 KB Output is correct
94 Correct 10 ms 1112 KB Output is correct
95 Correct 16 ms 1392 KB Output is correct
96 Correct 12 ms 1628 KB Output is correct
97 Correct 14 ms 2424 KB Output is correct
98 Correct 13 ms 2392 KB Output is correct
99 Correct 22 ms 2396 KB Output is correct
100 Correct 1 ms 348 KB Output is correct
101 Correct 0 ms 604 KB Output is correct
102 Correct 13 ms 2408 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 22 ms 2648 KB Output is correct
105 Correct 0 ms 348 KB Output is correct
106 Correct 0 ms 600 KB Output is correct
107 Correct 1 ms 348 KB Output is correct
108 Correct 0 ms 348 KB Output is correct
109 Correct 0 ms 348 KB Output is correct
110 Correct 0 ms 348 KB Output is correct
111 Correct 1 ms 348 KB Output is correct
112 Correct 13 ms 2668 KB Output is correct
113 Correct 16 ms 1884 KB Output is correct
114 Correct 13 ms 2400 KB Output is correct
115 Correct 12 ms 1624 KB Output is correct
116 Correct 20 ms 2284 KB Output is correct
117 Correct 1 ms 1112 KB Output is correct
118 Correct 9 ms 860 KB Output is correct
119 Correct 9 ms 860 KB Output is correct
120 Correct 16 ms 860 KB Output is correct
121 Correct 16 ms 1076 KB Output is correct
122 Correct 10 ms 1076 KB Output is correct
123 Correct 16 ms 1372 KB Output is correct
124 Correct 15 ms 1708 KB Output is correct
125 Correct 16 ms 2412 KB Output is correct
126 Correct 21 ms 2396 KB Output is correct
127 Correct 23 ms 2396 KB Output is correct
128 Correct 24 ms 2392 KB Output is correct
129 Correct 14 ms 2904 KB Output is correct
130 Correct 1 ms 344 KB Output is correct
131 Correct 1 ms 348 KB Output is correct
132 Correct 0 ms 348 KB Output is correct
133 Correct 1 ms 1116 KB Output is correct
134 Correct 0 ms 348 KB Output is correct