oj.uz

Submission #121048

# Submission time Handle Problem Language Result Execution time Memory
121048 2019-06-26T03:59:59 Z 임유진(#2971) Exhibition (JOI19_ho_t2) C++14
100 / 100
 63 ms 1604 KB 
#include<stdio.h>
#include<algorithm>

using namespace std;

#define MAXN 100005

typedef pair<int, int> pii;

const int INF=1e9+5;
pii VS[MAXN];
int C[MAXN];

int main(){
	int N, M;
	int ans=0;

	scanf("%d%d", &N, &M);
	for(int i=0; i<N; i++) scanf("%d%d", &VS[i].second, &VS[i].first);
	for(int i=0; i<M; i++) scanf("%d", C+i);

	sort(VS, VS+N);
	sort(C, C+M);

	int k=N-1;
	for(int i=M-1; i>=0; i--){
		while(k>=0&&VS[k].second>C[i]) k--;
		if(k==-1) break;
		ans++;
		k--;
	}

	printf("%d", ans);
	return 0;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:18:7: 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:19:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0; i<N; i++) scanf("%d%d", &VS[i].second, &VS[i].first);
                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:20:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0; i<M; i++) scanf("%d", C+i);
                         ~~~~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 1 ms 256 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 3 ms 384 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 384 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 3 ms 384 KB Output is correct
38 Correct 59 ms 1528 KB Output is correct
39 Correct 58 ms 1428 KB Output is correct
40 Correct 54 ms 1500 KB Output is correct
41 Correct 63 ms 1532 KB Output is correct
42 Correct 60 ms 1528 KB Output is correct
43 Correct 59 ms 1400 KB Output is correct
44 Correct 60 ms 1528 KB Output is correct
45 Correct 59 ms 1528 KB Output is correct
46 Correct 58 ms 1528 KB Output is correct
47 Correct 53 ms 1400 KB Output is correct
48 Correct 53 ms 1404 KB Output is correct
49 Correct 48 ms 1272 KB Output is correct
50 Correct 47 ms 1272 KB Output is correct
51 Correct 59 ms 1528 KB Output is correct
52 Correct 60 ms 1528 KB Output is correct
53 Correct 59 ms 1400 KB Output is correct
54 Correct 46 ms 1504 KB Output is correct
55 Correct 55 ms 1472 KB Output is correct
56 Correct 38 ms 1144 KB Output is correct
57 Correct 23 ms 768 KB Output is correct
58 Correct 37 ms 1144 KB Output is correct
59 Correct 38 ms 1024 KB Output is correct
60 Correct 23 ms 640 KB Output is correct
61 Correct 36 ms 1016 KB Output is correct
62 Correct 62 ms 1532 KB Output is correct
63 Correct 60 ms 1528 KB Output is correct
64 Correct 60 ms 1500 KB Output is correct
65 Correct 60 ms 1528 KB Output is correct
66 Correct 59 ms 1400 KB Output is correct
67 Correct 62 ms 1528 KB Output is correct
68 Correct 61 ms 1400 KB Output is correct
69 Correct 61 ms 1528 KB Output is correct
70 Correct 63 ms 1528 KB Output is correct
71 Correct 59 ms 1528 KB Output is correct
72 Correct 61 ms 1528 KB Output is correct
73 Correct 57 ms 1604 KB Output is correct