답안 #100839

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
100839	2019-03-14T20:15:17 Z	ikura355	Exhibition (JOI19_ho_t2)	C++14	100 / 100	91 ms	4572 KB

joi2019_ho_t2

#include<bits/stdc++.h>
using namespace std;

#define pii pair<int,int>
#define X first
#define Y second
const int maxn = 1e5 + 5;
const int inf = 2e9;

int n,m;
pii a[maxn];
int b[maxn];

bool solve(int x) {
	//printf("solve %d\n",x);
	int pos = m - x + 1;
	for(int i=1;i<=n;i++) {
		if(a[i].X<=b[pos]) pos++;
		//printf("\t%d %d pos = %d\n",a[i].X,a[i].Y,pos);
		if(pos == m+1) return 1;
	}
	return 0;
}

int main() {
	//freopen("in.txt","r",stdin);
	//freopen("out.txt","w",stdout);
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++) scanf("%d%d",&a[i].X,&a[i].Y);
	for(int i=1;i<=m;i++) scanf("%d",&b[i]);
	sort(&a[1],&a[n+1],[&](pii x, pii y){return x.Y!=y.Y ? x.Y<y.Y : x.X<y.X;});
	sort(&b[1],&b[m+1]);
	int l = 1, r = m, mid, ans = 0;
	while(l<=r) {
		mid = (l+r)/2;
		if(solve(mid)) {
			ans = mid;
			l = mid+1;
		}
		else r = mid-1;
	}
	printf("%d",ans);
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:28:7: 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:29:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%d%d",&a[i].X,&a[i].Y);
                        ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:30:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=m;i++) scanf("%d",&b[i]);
                        ~~~~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	3 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	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	384 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	2 ms	256 KB	Output is correct

Subtask #2
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	3 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	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	384 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	2 ms	256 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	3 ms	384 KB	Output is correct
28	Correct	3 ms	384 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	3 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	384 KB	Output is correct
35	Correct	2 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	3 ms	384 KB	Output is correct

Subtask #3
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	3 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	384 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	3 ms	384 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	256 KB	Output is correct
15	Correct	3 ms	384 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	2 ms	256 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	3 ms	384 KB	Output is correct
28	Correct	3 ms	384 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	3 ms	384 KB	Output is correct
32	Correct	3 ms	384 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	384 KB	Output is correct
35	Correct	2 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	3 ms	384 KB	Output is correct
38	Correct	65 ms	4340 KB	Output is correct
39	Correct	83 ms	4472 KB	Output is correct
40	Correct	65 ms	4400 KB	Output is correct
41	Correct	65 ms	4472 KB	Output is correct
42	Correct	65 ms	4444 KB	Output is correct
43	Correct	63 ms	4344 KB	Output is correct
44	Correct	64 ms	4344 KB	Output is correct
45	Correct	66 ms	4344 KB	Output is correct
46	Correct	62 ms	4344 KB	Output is correct
47	Correct	61 ms	3960 KB	Output is correct
48	Correct	60 ms	3960 KB	Output is correct
49	Correct	58 ms	3692 KB	Output is correct
50	Correct	52 ms	3676 KB	Output is correct
51	Correct	66 ms	4368 KB	Output is correct
52	Correct	64 ms	4344 KB	Output is correct
53	Correct	66 ms	4344 KB	Output is correct
54	Correct	50 ms	4344 KB	Output is correct
55	Correct	60 ms	4472 KB	Output is correct
56	Correct	43 ms	3064 KB	Output is correct
57	Correct	34 ms	1656 KB	Output is correct
58	Correct	42 ms	3064 KB	Output is correct
59	Correct	42 ms	3192 KB	Output is correct
60	Correct	29 ms	1664 KB	Output is correct
61	Correct	42 ms	2680 KB	Output is correct
62	Correct	91 ms	4344 KB	Output is correct
63	Correct	76 ms	4444 KB	Output is correct
64	Correct	76 ms	4472 KB	Output is correct
65	Correct	89 ms	4444 KB	Output is correct
66	Correct	69 ms	4456 KB	Output is correct
67	Correct	68 ms	4472 KB	Output is correct
68	Correct	70 ms	4344 KB	Output is correct
69	Correct	68 ms	4352 KB	Output is correct
70	Correct	69 ms	4572 KB	Output is correct
71	Correct	68 ms	4344 KB	Output is correct
72	Correct	81 ms	4472 KB	Output is correct
73	Correct	73 ms	4344 KB	Output is correct

답안 #100839

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 40.0 / 40.0

Subtask #3 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
40.0 / 40.0

Subtask #3
50.0 / 50.0