답안 #203054

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
203054	2020-02-19T06:29:11 Z	blacktulip	Art Exhibition (JOI18_art)	C++17	100 / 100	357 ms	60024 KB

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define int long long
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 100000000000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

int n,m,b[li],a[li],k,flag,t,dp[li][4];
int cev;
string s;
PII p[li];
vector<int> v;

inline int f(int sira,int al){
	int cevv=-inf;
	if(sira>n){
		if(al==0)return -inf;
		return 0;
	}
	if(~dp[sira][al])return dp[sira][al];
	if(al==0){
		if(sira!=n)
		cevv=max(cevv,f(sira+1,1)+p[sira].fi+p[sira].se);
		cevv=max(cevv,f(n+1,1)+p[sira].se);
		cevv=max(cevv,f(sira+1,0));
	}
	else{
		if(sira!=n)
			cevv=max(cevv,f(sira+1,al)+p[sira].se);
		cevv=max(cevv,f(n+1,al)+p[sira].se-p[sira].fi);
	}
	return dp[sira][al]=cevv;
}

main(void){
	memset(dp,-1,sizeof(dp));
	scanf("%lld",&n);
	FOR{
		scanf("%lld %lld",&p[i].fi,&p[i].se);
	}
	sort(p+1,p+n+1);
	printf("%lld\n",f(1,0));
	return 0;
}

Compilation message

art.cpp:53:10: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(void){
          ^
art.cpp: In function 'int main()':
art.cpp:55:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
  ~~~~~^~~~~~~~~~~
art.cpp:57:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld",&p[i].fi,&p[i].se);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	15992 KB	Output is correct
2	Correct	13 ms	15992 KB	Output is correct
3	Correct	13 ms	15992 KB	Output is correct
4	Correct	13 ms	15992 KB	Output is correct
5	Correct	13 ms	15992 KB	Output is correct
6	Correct	13 ms	15992 KB	Output is correct
7	Correct	13 ms	15992 KB	Output is correct
8	Correct	13 ms	15992 KB	Output is correct
9	Correct	13 ms	15992 KB	Output is correct
10	Correct	13 ms	15992 KB	Output is correct
11	Correct	12 ms	15992 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	15992 KB	Output is correct
2	Correct	13 ms	15992 KB	Output is correct
3	Correct	13 ms	15992 KB	Output is correct
4	Correct	13 ms	15992 KB	Output is correct
5	Correct	13 ms	15992 KB	Output is correct
6	Correct	13 ms	15992 KB	Output is correct
7	Correct	13 ms	15992 KB	Output is correct
8	Correct	13 ms	15992 KB	Output is correct
9	Correct	13 ms	15992 KB	Output is correct
10	Correct	13 ms	15992 KB	Output is correct
11	Correct	12 ms	15992 KB	Output is correct
12	Correct	13 ms	15996 KB	Output is correct
13	Correct	15 ms	15992 KB	Output is correct
14	Correct	14 ms	15992 KB	Output is correct
15	Correct	14 ms	15992 KB	Output is correct
16	Correct	13 ms	15992 KB	Output is correct
17	Correct	13 ms	15992 KB	Output is correct
18	Correct	13 ms	15992 KB	Output is correct
19	Correct	13 ms	15996 KB	Output is correct
20	Correct	13 ms	15992 KB	Output is correct
21	Correct	12 ms	15992 KB	Output is correct
22	Correct	13 ms	15992 KB	Output is correct
23	Correct	13 ms	15992 KB	Output is correct
24	Correct	13 ms	15992 KB	Output is correct
25	Correct	13 ms	15992 KB	Output is correct
26	Correct	12 ms	15992 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	15992 KB	Output is correct
2	Correct	13 ms	15992 KB	Output is correct
3	Correct	13 ms	15992 KB	Output is correct
4	Correct	13 ms	15992 KB	Output is correct
5	Correct	13 ms	15992 KB	Output is correct
6	Correct	13 ms	15992 KB	Output is correct
7	Correct	13 ms	15992 KB	Output is correct
8	Correct	13 ms	15992 KB	Output is correct
9	Correct	13 ms	15992 KB	Output is correct
10	Correct	13 ms	15992 KB	Output is correct
11	Correct	12 ms	15992 KB	Output is correct
12	Correct	13 ms	15996 KB	Output is correct
13	Correct	15 ms	15992 KB	Output is correct
14	Correct	14 ms	15992 KB	Output is correct
15	Correct	14 ms	15992 KB	Output is correct
16	Correct	13 ms	15992 KB	Output is correct
17	Correct	13 ms	15992 KB	Output is correct
18	Correct	13 ms	15992 KB	Output is correct
19	Correct	13 ms	15996 KB	Output is correct
20	Correct	13 ms	15992 KB	Output is correct
21	Correct	12 ms	15992 KB	Output is correct
22	Correct	13 ms	15992 KB	Output is correct
23	Correct	13 ms	15992 KB	Output is correct
24	Correct	13 ms	15992 KB	Output is correct
25	Correct	13 ms	15992 KB	Output is correct
26	Correct	12 ms	15992 KB	Output is correct
27	Correct	15 ms	16376 KB	Output is correct
28	Correct	16 ms	16376 KB	Output is correct
29	Correct	15 ms	16376 KB	Output is correct
30	Correct	17 ms	16376 KB	Output is correct
31	Correct	17 ms	16376 KB	Output is correct
32	Correct	16 ms	16376 KB	Output is correct
33	Correct	15 ms	16504 KB	Output is correct
34	Correct	16 ms	16376 KB	Output is correct
35	Correct	15 ms	16376 KB	Output is correct
36	Correct	16 ms	16376 KB	Output is correct
37	Correct	16 ms	16376 KB	Output is correct
38	Correct	16 ms	16504 KB	Output is correct
39	Correct	17 ms	16376 KB	Output is correct
40	Correct	15 ms	16376 KB	Output is correct
41	Correct	16 ms	16376 KB	Output is correct
42	Correct	15 ms	16376 KB	Output is correct
43	Correct	16 ms	16376 KB	Output is correct
44	Correct	17 ms	16376 KB	Output is correct
45	Correct	17 ms	16376 KB	Output is correct
46	Correct	17 ms	16504 KB	Output is correct
47	Correct	16 ms	16376 KB	Output is correct
48	Correct	15 ms	16376 KB	Output is correct
49	Correct	15 ms	16376 KB	Output is correct
50	Correct	16 ms	16376 KB	Output is correct
51	Correct	15 ms	16376 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	15992 KB	Output is correct
2	Correct	13 ms	15992 KB	Output is correct
3	Correct	13 ms	15992 KB	Output is correct
4	Correct	13 ms	15992 KB	Output is correct
5	Correct	13 ms	15992 KB	Output is correct
6	Correct	13 ms	15992 KB	Output is correct
7	Correct	13 ms	15992 KB	Output is correct
8	Correct	13 ms	15992 KB	Output is correct
9	Correct	13 ms	15992 KB	Output is correct
10	Correct	13 ms	15992 KB	Output is correct
11	Correct	12 ms	15992 KB	Output is correct
12	Correct	13 ms	15996 KB	Output is correct
13	Correct	15 ms	15992 KB	Output is correct
14	Correct	14 ms	15992 KB	Output is correct
15	Correct	14 ms	15992 KB	Output is correct
16	Correct	13 ms	15992 KB	Output is correct
17	Correct	13 ms	15992 KB	Output is correct
18	Correct	13 ms	15992 KB	Output is correct
19	Correct	13 ms	15996 KB	Output is correct
20	Correct	13 ms	15992 KB	Output is correct
21	Correct	12 ms	15992 KB	Output is correct
22	Correct	13 ms	15992 KB	Output is correct
23	Correct	13 ms	15992 KB	Output is correct
24	Correct	13 ms	15992 KB	Output is correct
25	Correct	13 ms	15992 KB	Output is correct
26	Correct	12 ms	15992 KB	Output is correct
27	Correct	15 ms	16376 KB	Output is correct
28	Correct	16 ms	16376 KB	Output is correct
29	Correct	15 ms	16376 KB	Output is correct
30	Correct	17 ms	16376 KB	Output is correct
31	Correct	17 ms	16376 KB	Output is correct
32	Correct	16 ms	16376 KB	Output is correct
33	Correct	15 ms	16504 KB	Output is correct
34	Correct	16 ms	16376 KB	Output is correct
35	Correct	15 ms	16376 KB	Output is correct
36	Correct	16 ms	16376 KB	Output is correct
37	Correct	16 ms	16376 KB	Output is correct
38	Correct	16 ms	16504 KB	Output is correct
39	Correct	17 ms	16376 KB	Output is correct
40	Correct	15 ms	16376 KB	Output is correct
41	Correct	16 ms	16376 KB	Output is correct
42	Correct	15 ms	16376 KB	Output is correct
43	Correct	16 ms	16376 KB	Output is correct
44	Correct	17 ms	16376 KB	Output is correct
45	Correct	17 ms	16376 KB	Output is correct
46	Correct	17 ms	16504 KB	Output is correct
47	Correct	16 ms	16376 KB	Output is correct
48	Correct	15 ms	16376 KB	Output is correct
49	Correct	15 ms	16376 KB	Output is correct
50	Correct	16 ms	16376 KB	Output is correct
51	Correct	15 ms	16376 KB	Output is correct
52	Correct	350 ms	59896 KB	Output is correct
53	Correct	357 ms	59896 KB	Output is correct
54	Correct	335 ms	59896 KB	Output is correct
55	Correct	352 ms	60024 KB	Output is correct
56	Correct	342 ms	59892 KB	Output is correct
57	Correct	336 ms	59896 KB	Output is correct
58	Correct	342 ms	59852 KB	Output is correct
59	Correct	347 ms	60024 KB	Output is correct
60	Correct	346 ms	59900 KB	Output is correct
61	Correct	347 ms	59768 KB	Output is correct
62	Correct	339 ms	59896 KB	Output is correct
63	Correct	343 ms	60024 KB	Output is correct
64	Correct	348 ms	60004 KB	Output is correct
65	Correct	344 ms	60024 KB	Output is correct
66	Correct	338 ms	59896 KB	Output is correct
67	Correct	336 ms	59896 KB	Output is correct
68	Correct	333 ms	59916 KB	Output is correct

답안 #203054

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0