oj.uz

Submission #369339

# Submission time Handle Problem Language Result Execution time Memory
369339 2021-02-21T10:58:00 Z parsabahrami Exhibition (JOI19_ho_t2) C++17
100 / 100
 81 ms 4864 KB 
// Call my Name and Save me from The Dark
#include <bits/stdc++.h>
 
using namespace std;

typedef long long int ll;
typedef pair<int, int> pii;
 
#define SZ(x)                       (int) x.size()
#define F                           first
#define S                           second

const int N = 1e5 + 10, MOD = 1e9 + 7;
int ret, n, m, S[N], V[N], id[N], C[N];

int main() {
    scanf("%d%d", &n, &m);
    for (int i = 1; i <= n; i++) {
        scanf("%d%d", &S[i], &V[i]), id[i] = i;
    }
    sort(id + 1, id + n + 1, [&] (int i, int j) { return V[i] != V[j] ? V[i] < V[j] : S[i] < S[j]; });
    for (int i = 1; i <= m; i++) 
        scanf("%d", &C[i]);
    sort(C + 1, C + m + 1);
    for (int i = m, ptr = n; i >= 1; i--) {
        if (ptr <= 0) break;
        while (S[id[ptr]] > C[i]) ptr--;
        if (ptr && S[id[ptr--]] <= C[i]) ret++;
    }
    printf("%d\n", ret);
    return 0;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |     scanf("%d%d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:19:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |         scanf("%d%d", &S[i], &V[i]), id[i] = i;
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:23:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |         scanf("%d", &C[i]);
      |         ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 376 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 376 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 376 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 60 ms 4716 KB Output is correct
39 Correct 58 ms 4716 KB Output is correct
40 Correct 54 ms 4844 KB Output is correct
41 Correct 62 ms 4716 KB Output is correct
42 Correct 62 ms 4716 KB Output is correct
43 Correct 59 ms 4716 KB Output is correct
44 Correct 60 ms 4716 KB Output is correct
45 Correct 70 ms 4716 KB Output is correct
46 Correct 59 ms 4716 KB Output is correct
47 Correct 55 ms 4460 KB Output is correct
48 Correct 56 ms 4332 KB Output is correct
49 Correct 51 ms 3820 KB Output is correct
50 Correct 48 ms 3820 KB Output is correct
51 Correct 64 ms 4844 KB Output is correct
52 Correct 59 ms 4864 KB Output is correct
53 Correct 62 ms 4716 KB Output is correct
54 Correct 52 ms 4844 KB Output is correct
55 Correct 60 ms 4844 KB Output is correct
56 Correct 37 ms 3436 KB Output is correct
57 Correct 32 ms 1644 KB Output is correct
58 Correct 36 ms 3436 KB Output is correct
59 Correct 37 ms 3436 KB Output is correct
60 Correct 23 ms 1644 KB Output is correct
61 Correct 37 ms 2796 KB Output is correct
62 Correct 63 ms 4844 KB Output is correct
63 Correct 64 ms 4716 KB Output is correct
64 Correct 62 ms 4844 KB Output is correct
65 Correct 81 ms 4716 KB Output is correct
66 Correct 62 ms 4716 KB Output is correct
67 Correct 60 ms 4716 KB Output is correct
68 Correct 61 ms 4844 KB Output is correct
69 Correct 66 ms 4844 KB Output is correct
70 Correct 75 ms 4716 KB Output is correct
71 Correct 74 ms 4716 KB Output is correct
72 Correct 62 ms 4844 KB Output is correct
73 Correct 58 ms 4844 KB Output is correct