답안 #791848

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
791848	2023-07-24T11:00:15 Z	Boomyday	Art Exhibition (JOI18_art)	C++17	100 / 100	167 ms	42028 KB

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;
using db = double;
using str = string; // yay python!

using ii = pair<int,int>;
using pl = pair<ll,ll>;
using pd = pair<db,db>;

using vi = vector<int>;
using vb = vector<bool>;
using vl = vector<ll>;
using vd = vector<db>;
using vs = vector<str>;
using vii = vector<ii>;
using vpl = vector<pl>;
using vpd = vector<pd>;

#define tcT template<class T
#define tcTU tcT, class U

tcT> using V = vector<T>;
tcT, size_t SZ> using AR = array<T,SZ>;
tcT> using PR = pair<T,T>;

// pairs
#define mp make_pair
#define f first
#define s second



#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)

#define len(x) int((x).size())
#define bg(x) begin(x)
#define all(x) bg(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define sor(x) sort(all(x))
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pb push_back
#define eb emplace_back
#define pf push_front

const int MOD = 998244353;
const int MX = 2e5+5;
const ll INF = 1e18; // not too close to LLONG_MAX
const ld PI = acos((ld)-1);
const int dx[4] = {1,0,-1,0}, dy[4] = {0,1,0,-1}; // for every grid problem!!


int main(){
    std::ios::sync_with_stdio(false); cin.tie(NULL);
    int N; cin >> N;
    vector<pair<ll, ll>> arts;
    F0R(i, N){
        ll a, b; cin >> a >> b;
        arts.pb({a,b});
    }
    sort(all(arts));
    vl A,B;
    for(auto&[a, b]:arts){
        A.pb(a); B.pb(b);
    }
    vl prefs = {0};
    F0R(i, N) prefs.pb(prefs.back()+B[i]);
    vl prefs_orig(all(prefs));
    F0R(i, N){
        prefs[i+1] -= A[i];
    }
    vl suffix_maxs(N+1, -INF);
    suffix_maxs.back() = prefs.back();
    for(int i=N-1;i>-1;--i){
        suffix_maxs[i] = max(suffix_maxs[i+1],prefs[i]);
    }
    ll mx = *max_element(all(B));
    F0R(st, N){
        ll bestmx = suffix_maxs[st+1];
        mx = max(mx, bestmx-prefs_orig[st]+A[st]);
    }
    cout <<mx << endl;


}

Subtask #1
10.0 / 10.0

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

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	316 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	324 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	316 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	324 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	2 ms	852 KB	Output is correct
28	Correct	2 ms	848 KB	Output is correct
29	Correct	2 ms	852 KB	Output is correct
30	Correct	2 ms	852 KB	Output is correct
31	Correct	3 ms	840 KB	Output is correct
32	Correct	2 ms	852 KB	Output is correct
33	Correct	3 ms	852 KB	Output is correct
34	Correct	2 ms	852 KB	Output is correct
35	Correct	3 ms	788 KB	Output is correct
36	Correct	2 ms	768 KB	Output is correct
37	Correct	2 ms	852 KB	Output is correct
38	Correct	3 ms	824 KB	Output is correct
39	Correct	2 ms	852 KB	Output is correct
40	Correct	2 ms	852 KB	Output is correct
41	Correct	2 ms	832 KB	Output is correct
42	Correct	3 ms	852 KB	Output is correct
43	Correct	2 ms	840 KB	Output is correct
44	Correct	2 ms	832 KB	Output is correct
45	Correct	2 ms	832 KB	Output is correct
46	Correct	2 ms	852 KB	Output is correct
47	Correct	2 ms	852 KB	Output is correct
48	Correct	2 ms	828 KB	Output is correct
49	Correct	2 ms	852 KB	Output is correct
50	Correct	2 ms	852 KB	Output is correct
51	Correct	2 ms	852 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	316 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	324 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	2 ms	852 KB	Output is correct
28	Correct	2 ms	848 KB	Output is correct
29	Correct	2 ms	852 KB	Output is correct
30	Correct	2 ms	852 KB	Output is correct
31	Correct	3 ms	840 KB	Output is correct
32	Correct	2 ms	852 KB	Output is correct
33	Correct	3 ms	852 KB	Output is correct
34	Correct	2 ms	852 KB	Output is correct
35	Correct	3 ms	788 KB	Output is correct
36	Correct	2 ms	768 KB	Output is correct
37	Correct	2 ms	852 KB	Output is correct
38	Correct	3 ms	824 KB	Output is correct
39	Correct	2 ms	852 KB	Output is correct
40	Correct	2 ms	852 KB	Output is correct
41	Correct	2 ms	832 KB	Output is correct
42	Correct	3 ms	852 KB	Output is correct
43	Correct	2 ms	840 KB	Output is correct
44	Correct	2 ms	832 KB	Output is correct
45	Correct	2 ms	832 KB	Output is correct
46	Correct	2 ms	852 KB	Output is correct
47	Correct	2 ms	852 KB	Output is correct
48	Correct	2 ms	828 KB	Output is correct
49	Correct	2 ms	852 KB	Output is correct
50	Correct	2 ms	852 KB	Output is correct
51	Correct	2 ms	852 KB	Output is correct
52	Correct	156 ms	29820 KB	Output is correct
53	Correct	167 ms	38588 KB	Output is correct
54	Correct	153 ms	38668 KB	Output is correct
55	Correct	164 ms	38652 KB	Output is correct
56	Correct	150 ms	38612 KB	Output is correct
57	Correct	151 ms	38612 KB	Output is correct
58	Correct	160 ms	38676 KB	Output is correct
59	Correct	144 ms	41928 KB	Output is correct
60	Correct	162 ms	41916 KB	Output is correct
61	Correct	148 ms	41820 KB	Output is correct
62	Correct	146 ms	42028 KB	Output is correct
63	Correct	143 ms	41940 KB	Output is correct
64	Correct	143 ms	41928 KB	Output is correct
65	Correct	149 ms	41944 KB	Output is correct
66	Correct	143 ms	41928 KB	Output is correct
67	Correct	145 ms	41856 KB	Output is correct
68	Correct	146 ms	41956 KB	Output is correct

답안 #791848

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