답안 #255622

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
255622	2020-08-01T12:55:13 Z	tleontest1	Art Exhibition (JOI18_art)	C++17	100 / 100	356 ms	60064 KB

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target ("avx2")

#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:58:10: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(void){
          ^
art.cpp: In function 'int main()':
art.cpp:60:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
  ~~~~~^~~~~~~~~~~
art.cpp:62:8: 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	9 ms	16000 KB	Output is correct
2	Correct	11 ms	16000 KB	Output is correct
3	Correct	9 ms	16000 KB	Output is correct
4	Correct	10 ms	16048 KB	Output is correct
5	Correct	9 ms	16000 KB	Output is correct
6	Correct	9 ms	16000 KB	Output is correct
7	Correct	9 ms	16000 KB	Output is correct
8	Correct	9 ms	16000 KB	Output is correct
9	Correct	9 ms	16000 KB	Output is correct
10	Correct	9 ms	16000 KB	Output is correct
11	Correct	10 ms	16000 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16000 KB	Output is correct
2	Correct	11 ms	16000 KB	Output is correct
3	Correct	9 ms	16000 KB	Output is correct
4	Correct	10 ms	16048 KB	Output is correct
5	Correct	9 ms	16000 KB	Output is correct
6	Correct	9 ms	16000 KB	Output is correct
7	Correct	9 ms	16000 KB	Output is correct
8	Correct	9 ms	16000 KB	Output is correct
9	Correct	9 ms	16000 KB	Output is correct
10	Correct	9 ms	16000 KB	Output is correct
11	Correct	10 ms	16000 KB	Output is correct
12	Correct	10 ms	16000 KB	Output is correct
13	Correct	9 ms	16000 KB	Output is correct
14	Correct	9 ms	16000 KB	Output is correct
15	Correct	9 ms	16000 KB	Output is correct
16	Correct	9 ms	16000 KB	Output is correct
17	Correct	10 ms	16000 KB	Output is correct
18	Correct	9 ms	16000 KB	Output is correct
19	Correct	9 ms	16000 KB	Output is correct
20	Correct	9 ms	16000 KB	Output is correct
21	Correct	9 ms	16000 KB	Output is correct
22	Correct	9 ms	16000 KB	Output is correct
23	Correct	10 ms	16000 KB	Output is correct
24	Correct	9 ms	16128 KB	Output is correct
25	Correct	13 ms	16000 KB	Output is correct
26	Correct	11 ms	16000 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16000 KB	Output is correct
2	Correct	11 ms	16000 KB	Output is correct
3	Correct	9 ms	16000 KB	Output is correct
4	Correct	10 ms	16048 KB	Output is correct
5	Correct	9 ms	16000 KB	Output is correct
6	Correct	9 ms	16000 KB	Output is correct
7	Correct	9 ms	16000 KB	Output is correct
8	Correct	9 ms	16000 KB	Output is correct
9	Correct	9 ms	16000 KB	Output is correct
10	Correct	9 ms	16000 KB	Output is correct
11	Correct	10 ms	16000 KB	Output is correct
12	Correct	10 ms	16000 KB	Output is correct
13	Correct	9 ms	16000 KB	Output is correct
14	Correct	9 ms	16000 KB	Output is correct
15	Correct	9 ms	16000 KB	Output is correct
16	Correct	9 ms	16000 KB	Output is correct
17	Correct	10 ms	16000 KB	Output is correct
18	Correct	9 ms	16000 KB	Output is correct
19	Correct	9 ms	16000 KB	Output is correct
20	Correct	9 ms	16000 KB	Output is correct
21	Correct	9 ms	16000 KB	Output is correct
22	Correct	9 ms	16000 KB	Output is correct
23	Correct	10 ms	16000 KB	Output is correct
24	Correct	9 ms	16128 KB	Output is correct
25	Correct	13 ms	16000 KB	Output is correct
26	Correct	11 ms	16000 KB	Output is correct
27	Correct	12 ms	16384 KB	Output is correct
28	Correct	15 ms	16384 KB	Output is correct
29	Correct	13 ms	16384 KB	Output is correct
30	Correct	12 ms	16384 KB	Output is correct
31	Correct	12 ms	16384 KB	Output is correct
32	Correct	12 ms	16384 KB	Output is correct
33	Correct	11 ms	16384 KB	Output is correct
34	Correct	13 ms	16384 KB	Output is correct
35	Correct	11 ms	16384 KB	Output is correct
36	Correct	12 ms	16384 KB	Output is correct
37	Correct	12 ms	16384 KB	Output is correct
38	Correct	12 ms	16384 KB	Output is correct
39	Correct	12 ms	16384 KB	Output is correct
40	Correct	13 ms	16384 KB	Output is correct
41	Correct	11 ms	16384 KB	Output is correct
42	Correct	12 ms	16512 KB	Output is correct
43	Correct	12 ms	16384 KB	Output is correct
44	Correct	12 ms	16384 KB	Output is correct
45	Correct	12 ms	16384 KB	Output is correct
46	Correct	13 ms	16384 KB	Output is correct
47	Correct	12 ms	16384 KB	Output is correct
48	Correct	13 ms	16384 KB	Output is correct
49	Correct	11 ms	16384 KB	Output is correct
50	Correct	12 ms	16384 KB	Output is correct
51	Correct	13 ms	16384 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16000 KB	Output is correct
2	Correct	11 ms	16000 KB	Output is correct
3	Correct	9 ms	16000 KB	Output is correct
4	Correct	10 ms	16048 KB	Output is correct
5	Correct	9 ms	16000 KB	Output is correct
6	Correct	9 ms	16000 KB	Output is correct
7	Correct	9 ms	16000 KB	Output is correct
8	Correct	9 ms	16000 KB	Output is correct
9	Correct	9 ms	16000 KB	Output is correct
10	Correct	9 ms	16000 KB	Output is correct
11	Correct	10 ms	16000 KB	Output is correct
12	Correct	10 ms	16000 KB	Output is correct
13	Correct	9 ms	16000 KB	Output is correct
14	Correct	9 ms	16000 KB	Output is correct
15	Correct	9 ms	16000 KB	Output is correct
16	Correct	9 ms	16000 KB	Output is correct
17	Correct	10 ms	16000 KB	Output is correct
18	Correct	9 ms	16000 KB	Output is correct
19	Correct	9 ms	16000 KB	Output is correct
20	Correct	9 ms	16000 KB	Output is correct
21	Correct	9 ms	16000 KB	Output is correct
22	Correct	9 ms	16000 KB	Output is correct
23	Correct	10 ms	16000 KB	Output is correct
24	Correct	9 ms	16128 KB	Output is correct
25	Correct	13 ms	16000 KB	Output is correct
26	Correct	11 ms	16000 KB	Output is correct
27	Correct	12 ms	16384 KB	Output is correct
28	Correct	15 ms	16384 KB	Output is correct
29	Correct	13 ms	16384 KB	Output is correct
30	Correct	12 ms	16384 KB	Output is correct
31	Correct	12 ms	16384 KB	Output is correct
32	Correct	12 ms	16384 KB	Output is correct
33	Correct	11 ms	16384 KB	Output is correct
34	Correct	13 ms	16384 KB	Output is correct
35	Correct	11 ms	16384 KB	Output is correct
36	Correct	12 ms	16384 KB	Output is correct
37	Correct	12 ms	16384 KB	Output is correct
38	Correct	12 ms	16384 KB	Output is correct
39	Correct	12 ms	16384 KB	Output is correct
40	Correct	13 ms	16384 KB	Output is correct
41	Correct	11 ms	16384 KB	Output is correct
42	Correct	12 ms	16512 KB	Output is correct
43	Correct	12 ms	16384 KB	Output is correct
44	Correct	12 ms	16384 KB	Output is correct
45	Correct	12 ms	16384 KB	Output is correct
46	Correct	13 ms	16384 KB	Output is correct
47	Correct	12 ms	16384 KB	Output is correct
48	Correct	13 ms	16384 KB	Output is correct
49	Correct	11 ms	16384 KB	Output is correct
50	Correct	12 ms	16384 KB	Output is correct
51	Correct	13 ms	16384 KB	Output is correct
52	Correct	324 ms	59908 KB	Output is correct
53	Correct	332 ms	59972 KB	Output is correct
54	Correct	324 ms	60024 KB	Output is correct
55	Correct	330 ms	60028 KB	Output is correct
56	Correct	335 ms	60024 KB	Output is correct
57	Correct	322 ms	60028 KB	Output is correct
58	Correct	322 ms	59980 KB	Output is correct
59	Correct	320 ms	60024 KB	Output is correct
60	Correct	329 ms	60064 KB	Output is correct
61	Correct	320 ms	59996 KB	Output is correct
62	Correct	356 ms	60024 KB	Output is correct
63	Correct	335 ms	59896 KB	Output is correct
64	Correct	323 ms	59896 KB	Output is correct
65	Correct	328 ms	60024 KB	Output is correct
66	Correct	321 ms	59932 KB	Output is correct
67	Correct	323 ms	60024 KB	Output is correct
68	Correct	330 ms	60064 KB	Output is correct

답안 #255622

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