oj.uz

Submission #127616

# Submission time Handle Problem Language Result Execution time Memory
127616 2019-07-09T16:34:40 Z IOrtroiii Exhibition (JOI19_ho_t2) C++14
100 / 100
 87 ms 2424 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 100100;

int c[N];
pair<int, int> a[N];

int main() {
   int n, m;
   scanf("%d %d", &n, &m);
   for (int i = 1; i <= n; ++i) {
      scanf("%d %d", &a[i].second, &a[i].first);
   }
   for (int i = 1; i <= m; ++i) {
      scanf("%d", c + i);
   }
   int ans = 0;
   int ptr = n;
   sort(a + 1, a + n + 1);
   sort(c + 1, c + m + 1);
   for (int i = m; i > 0; --i) {
      while (ptr > 0 && a[ptr].second > c[i]) {
         --ptr;
      }
      if (ptr) {
         ++ans;
         --ptr;
      }
   }
   printf("%d\n", ans);
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:12:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d", &n, &m);
    ~~~~~^~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:14:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d %d", &a[i].second, &a[i].first);
       ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:17:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", c + i);
       ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 248 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 248 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 424 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 3 ms 376 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 3 ms 376 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 248 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 424 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 3 ms 376 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 3 ms 376 KB Output is correct
38 Correct 73 ms 2224 KB Output is correct
39 Correct 70 ms 2192 KB Output is correct
40 Correct 67 ms 2296 KB Output is correct
41 Correct 73 ms 2296 KB Output is correct
42 Correct 73 ms 2296 KB Output is correct
43 Correct 72 ms 2296 KB Output is correct
44 Correct 72 ms 2296 KB Output is correct
45 Correct 72 ms 2296 KB Output is correct
46 Correct 69 ms 2296 KB Output is correct
47 Correct 87 ms 2124 KB Output is correct
48 Correct 63 ms 2172 KB Output is correct
49 Correct 58 ms 2040 KB Output is correct
50 Correct 58 ms 2168 KB Output is correct
51 Correct 72 ms 2296 KB Output is correct
52 Correct 73 ms 2244 KB Output is correct
53 Correct 72 ms 2296 KB Output is correct
54 Correct 69 ms 2296 KB Output is correct
55 Correct 69 ms 2300 KB Output is correct
56 Correct 46 ms 1912 KB Output is correct
57 Correct 28 ms 1544 KB Output is correct
58 Correct 44 ms 1788 KB Output is correct
59 Correct 47 ms 1948 KB Output is correct
60 Correct 28 ms 1568 KB Output is correct
61 Correct 44 ms 1784 KB Output is correct
62 Correct 72 ms 2296 KB Output is correct
63 Correct 72 ms 2296 KB Output is correct
64 Correct 73 ms 2296 KB Output is correct
65 Correct 75 ms 2296 KB Output is correct
66 Correct 72 ms 2296 KB Output is correct
67 Correct 73 ms 2268 KB Output is correct
68 Correct 72 ms 2296 KB Output is correct
69 Correct 76 ms 2424 KB Output is correct
70 Correct 74 ms 2296 KB Output is correct
71 Correct 73 ms 2296 KB Output is correct
72 Correct 73 ms 2300 KB Output is correct
73 Correct 69 ms 2300 KB Output is correct