답안 #793654

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
793654	2023-07-26T05:08:43 Z	mindiyak	Art Exhibition (JOI18_art)	C++14	100 / 100	166 ms	28768 KB

#pragma GCC optimize("O3")
#pragma GCC target("sse4")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (ll i = a; i < (b); i++)
#define F0R(i, a) for (ll i = 0; i < (a); i++)
#define FORd(i, a, b) for (ll i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (ll i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define fst first
#define nl endl
#define sec second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define ins insert
const int MOD = 1000000007;
const int MX = INT_MAX;
const int MN = INT_MIN;
void init()
{
#ifndef ONLINE_JUDGE
	freopen("input.in", "r", stdin);
	freopen("output.out", "w", stdout);
#endif
}
void fastIO()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
}

void solve()
{
	ll n;cin>>n;
	vpl arr(n);
	FOR(i,0,n)cin >> arr[i].first >> arr[i].second;//size,value

	sort(all(arr));

	ll ans = 0;
	vpl dp(n,{0,0});//sum,min size
	dp[0] = {arr[0].second,arr[0].first};
	FOR(i,1,n){
		dp[i] = {arr[i].second,arr[i].first};
		ans = max(ans,dp[i].first);
		ll sum = dp[i-1].first + arr[i].second;
		ll possible = sum - arr[i].first + dp[i-1].second;
		if(dp[i].first < possible){
			dp[i] = {sum,dp[i-1].second};
		}
		ans = max(ans,possible);
	}

	// FOR(i,0,n){
	// 	cout << i << " " << dp[i].first << " " << dp[i].second << endl;
	// }

	cout << ans << endl;
}


int main()
{
	fastIO();
	// init();
	int t = 1;
	// cin >> t;
	while (t--)
		solve();
	return 0;
}

Compilation message

art.cpp: In function 'void init()':
art.cpp:40:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |  freopen("input.in", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:41:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |  freopen("output.out", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	320 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	320 KB	Output is correct
26	Correct	0 ms	328 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	320 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	320 KB	Output is correct
26	Correct	0 ms	328 KB	Output is correct
27	Correct	2 ms	588 KB	Output is correct
28	Correct	2 ms	524 KB	Output is correct
29	Correct	2 ms	596 KB	Output is correct
30	Correct	2 ms	596 KB	Output is correct
31	Correct	2 ms	596 KB	Output is correct
32	Correct	2 ms	596 KB	Output is correct
33	Correct	3 ms	584 KB	Output is correct
34	Correct	2 ms	596 KB	Output is correct
35	Correct	2 ms	596 KB	Output is correct
36	Correct	2 ms	512 KB	Output is correct
37	Correct	2 ms	584 KB	Output is correct
38	Correct	2 ms	596 KB	Output is correct
39	Correct	2 ms	588 KB	Output is correct
40	Correct	2 ms	596 KB	Output is correct
41	Correct	2 ms	584 KB	Output is correct
42	Correct	2 ms	596 KB	Output is correct
43	Correct	2 ms	584 KB	Output is correct
44	Correct	3 ms	596 KB	Output is correct
45	Correct	2 ms	588 KB	Output is correct
46	Correct	2 ms	584 KB	Output is correct
47	Correct	2 ms	584 KB	Output is correct
48	Correct	2 ms	596 KB	Output is correct
49	Correct	2 ms	596 KB	Output is correct
50	Correct	2 ms	588 KB	Output is correct
51	Correct	2 ms	528 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	320 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	320 KB	Output is correct
26	Correct	0 ms	328 KB	Output is correct
27	Correct	2 ms	588 KB	Output is correct
28	Correct	2 ms	524 KB	Output is correct
29	Correct	2 ms	596 KB	Output is correct
30	Correct	2 ms	596 KB	Output is correct
31	Correct	2 ms	596 KB	Output is correct
32	Correct	2 ms	596 KB	Output is correct
33	Correct	3 ms	584 KB	Output is correct
34	Correct	2 ms	596 KB	Output is correct
35	Correct	2 ms	596 KB	Output is correct
36	Correct	2 ms	512 KB	Output is correct
37	Correct	2 ms	584 KB	Output is correct
38	Correct	2 ms	596 KB	Output is correct
39	Correct	2 ms	588 KB	Output is correct
40	Correct	2 ms	596 KB	Output is correct
41	Correct	2 ms	584 KB	Output is correct
42	Correct	2 ms	596 KB	Output is correct
43	Correct	2 ms	584 KB	Output is correct
44	Correct	3 ms	596 KB	Output is correct
45	Correct	2 ms	588 KB	Output is correct
46	Correct	2 ms	584 KB	Output is correct
47	Correct	2 ms	584 KB	Output is correct
48	Correct	2 ms	596 KB	Output is correct
49	Correct	2 ms	596 KB	Output is correct
50	Correct	2 ms	588 KB	Output is correct
51	Correct	2 ms	528 KB	Output is correct
52	Correct	136 ms	28484 KB	Output is correct
53	Correct	143 ms	28600 KB	Output is correct
54	Correct	166 ms	28624 KB	Output is correct
55	Correct	133 ms	28604 KB	Output is correct
56	Correct	148 ms	28612 KB	Output is correct
57	Correct	132 ms	28612 KB	Output is correct
58	Correct	133 ms	28596 KB	Output is correct
59	Correct	145 ms	28768 KB	Output is correct
60	Correct	142 ms	28624 KB	Output is correct
61	Correct	137 ms	28492 KB	Output is correct
62	Correct	131 ms	28612 KB	Output is correct
63	Correct	140 ms	28628 KB	Output is correct
64	Correct	133 ms	28628 KB	Output is correct
65	Correct	137 ms	28628 KB	Output is correct
66	Correct	136 ms	28636 KB	Output is correct
67	Correct	135 ms	28620 KB	Output is correct
68	Correct	153 ms	28616 KB	Output is correct

답안 #793654

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