oj.uz

Submission #1086543

# Submission time Handle Problem Language Result Execution time Memory
1086543 2024-09-11T02:15:21 Z mingga Infinite Race (EGOI24_infiniterace2) C++17
100 / 100
 62 ms 12516 KB 
#include "bits/stdc++.h"

using namespace std;

#define ln "\n"
#define dbg(x) cout << #x << " = " << x << ln
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define inf 2e18
#define fast_cin()                  \
  ios_base::sync_with_stdio(false); \
  cin.tie(NULL)
#define out(file) freopen(file, "w", stdout)
#define in(file) freopen(file, "r", stdin)
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int)(x).size())
#define int long long
int MOD = 1e9 + 7;
const int N = 2e5 + 7;
int n, q;
int x[N];

void sub1() {
  int cnt = 0;
  int cur = 0;
  while(q--) {
    int u; cin >> u;
    if(u < 0) {
      cur = 0;
    } else {
      if(cur == 1) cnt++;
      else cur = 1;
    }
  }
  cout << cnt;
}

void sub2() {
  vector<int> state(n+1, 0);
  int ans = 0;
  int cur = 0;
  set<int> s;
  for(int i = 1; i <= q; i++) {
    // cout << x[i] << ' ' << *s.lower_bound(x[i])
    if(*s.lower_bound(x[i]) == x[i]) {
      ans++;
      s.clear();
    }
      s.insert(x[i]);
    // cout << ans << ' ';
  }
  cout << ans;
}

void full() {
  set<int> s;
  int ans = 0;
  for(int i = 1; i <= q; i++) {
    cin >> x[i];
    if(x[i] > 0) {
      if(*s.lower_bound(x[i]) == x[i]) {
        ans++;
        s.clear();
      }
      s.insert(x[i]);
    } else {
      x[i] = -x[i];
      auto cur = s.lower_bound(x[i]);
      if(*cur == x[i]) {
        s.erase(*cur);
      }
    }
    // cout << ans << ' ';
  }
  cout << ans;
}

signed main() {
    fast_cin();
    cin >> n >> q;
    // if(n == 2) sub1();
    // else {
    //   bool ok = 1;
    //   for(int i = 1; i <= q; i++) {
    //     cin >> x[i];
    //     if(x[i] < 0) ok = 0;
    //   }
    //   if(ok) sub2();
    // }
    full();
    cerr << "\nTime: " << clock() * 1000 / CLOCKS_PER_SEC;
}

Compilation message

Main.cpp: In function 'void sub2()':
Main.cpp:43:7: warning: unused variable 'cur' [-Wunused-variable]
   43 |   int cur = 0;
      |       ^~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory 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 11 ms 2396 KB Output is correct
5 Correct 10 ms 2276 KB Output is correct
6 Correct 10 ms 2468 KB Output is correct
7 Correct 10 ms 2392 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 11 ms 2288 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 9 ms 2396 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 11 ms 2404 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 12 ms 2452 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 10 ms 2396 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 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 15 ms 2344 KB Output is correct
3 Correct 0 ms 460 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 62 ms 12124 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 12 ms 2396 KB Output is correct
8 Correct 12 ms 2396 KB Output is correct
9 Correct 17 ms 2384 KB Output is correct
10 Correct 20 ms 2376 KB Output is correct
11 Correct 20 ms 2524 KB Output is correct
12 Correct 26 ms 2760 KB Output is correct
13 Correct 30 ms 2652 KB Output is correct
14 Correct 31 ms 2640 KB Output is correct
15 Correct 32 ms 2644 KB Output is correct
16 Correct 31 ms 2640 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 16 ms 2680 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 15 ms 2664 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 372 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 1 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 348 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 468 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 464 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 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 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 464 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory 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 11 ms 2396 KB Output is correct
5 Correct 10 ms 2276 KB Output is correct
6 Correct 10 ms 2468 KB Output is correct
7 Correct 10 ms 2392 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 11 ms 2288 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 9 ms 2396 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 11 ms 2404 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 12 ms 2452 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 10 ms 2396 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 15 ms 2344 KB Output is correct
23 Correct 0 ms 460 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 62 ms 12124 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 12 ms 2396 KB Output is correct
28 Correct 12 ms 2396 KB Output is correct
29 Correct 17 ms 2384 KB Output is correct
30 Correct 20 ms 2376 KB Output is correct
31 Correct 20 ms 2524 KB Output is correct
32 Correct 26 ms 2760 KB Output is correct
33 Correct 30 ms 2652 KB Output is correct
34 Correct 31 ms 2640 KB Output is correct
35 Correct 32 ms 2644 KB Output is correct
36 Correct 31 ms 2640 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 16 ms 2680 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 15 ms 2664 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 372 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 1 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 348 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 468 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 464 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 348 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 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 464 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 0 ms 604 KB Output is correct
72 Correct 12 ms 2512 KB Output is correct
73 Correct 11 ms 2424 KB Output is correct
74 Correct 11 ms 2396 KB Output is correct
75 Correct 11 ms 2332 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 12 ms 2396 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 9 ms 2396 KB Output is correct
81 Correct 0 ms 348 KB Output is correct
82 Correct 11 ms 2396 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 10 ms 2260 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 11 ms 2396 KB Output is correct
87 Correct 0 ms 348 KB Output is correct
88 Correct 61 ms 12516 KB Output is correct
89 Correct 0 ms 348 KB Output is correct
90 Correct 12 ms 2196 KB Output is correct
91 Correct 12 ms 2340 KB Output is correct
92 Correct 14 ms 2396 KB Output is correct
93 Correct 17 ms 2372 KB Output is correct
94 Correct 21 ms 2652 KB Output is correct
95 Correct 25 ms 2820 KB Output is correct
96 Correct 30 ms 3100 KB Output is correct
97 Correct 32 ms 3164 KB Output is correct
98 Correct 31 ms 3152 KB Output is correct
99 Correct 31 ms 3160 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 1 ms 348 KB Output is correct
102 Correct 18 ms 3148 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 16 ms 3180 KB Output is correct
105 Correct 0 ms 348 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 0 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 0 ms 348 KB Output is correct
112 Correct 45 ms 5232 KB Output is correct
113 Correct 53 ms 4172 KB Output is correct
114 Correct 46 ms 8052 KB Output is correct
115 Correct 35 ms 3924 KB Output is correct
116 Correct 15 ms 3160 KB Output is correct
117 Correct 0 ms 348 KB Output is correct
118 Correct 11 ms 2392 KB Output is correct
119 Correct 12 ms 2500 KB Output is correct
120 Correct 14 ms 2384 KB Output is correct
121 Correct 16 ms 2452 KB Output is correct
122 Correct 19 ms 2652 KB Output is correct
123 Correct 22 ms 3004 KB Output is correct
124 Correct 27 ms 3152 KB Output is correct
125 Correct 29 ms 3388 KB Output is correct
126 Correct 28 ms 3380 KB Output is correct
127 Correct 29 ms 3412 KB Output is correct
128 Correct 18 ms 3164 KB Output is correct
129 Correct 14 ms 3292 KB Output is correct
130 Correct 0 ms 348 KB Output is correct
131 Correct 0 ms 348 KB Output is correct
132 Correct 1 ms 344 KB Output is correct
133 Correct 1 ms 348 KB Output is correct
134 Correct 0 ms 348 KB Output is correct