답안 #207750

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
207750 2020-03-08T19:16:42 Z amiratou Art Exhibition (JOI18_art) C++14
100 / 100
245 ms 24696 KB
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define rando mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define fi first
#define se second
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define debugii(x) cerr << " - " << #x << ": " << x.fi<<","<<x.se << endl;
#define sep() cerr << "--------------------" << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ld long double
#define ll long long
#define int ll
#define ii pair<int,int>
#define v vector<int>
#define vii vector<ii>
#define vv vector<vector<int> >
#define mp make_pair
#define INF 1000000000
#define pb push_back
#define EPS 1e-9
const int MOD = 1000000007; // 998244353
int A[500003],B[500003],maxi[500003];
int32_t main(){
	boost;
	//freopen(".in","r",stdin);
	int n,ans=0;
    cin>>n;
    v cum(n,0);
    vii vec(n);
    for (int i = 0; i < n; ++i){
        cin>>A[i]>>B[i],ans=max(ans,B[i]);    
        vec[i]=ii(A[i],B[i]);
    }
    sort(all(vec));
    for (int i = n-1; i >=0 ; i--){
        cum[i]+=vec[i].se;
        if(i!=(n-1))cum[i]+=cum[i+1];
    }
    for (int i = n-1; i >=0 ; i--)
        cum[i]+=vec[i].fi;
    for (int i = 0; i < n; ++i)
    {
        maxi[i]=cum[i];
        if(i)maxi[i]=max(maxi[i],maxi[i-1]);
    }
    for (int i = n-1; i >=1; i--)
        ans=max(ans,maxi[i-1]-vec[i].fi-((i!=(n-1))?(cum[i+1]-vec[i+1].fi):0));
    cout<<ans<<"\n";
	return 0;
}
//long long
//array bounds
//special cases
//binary search
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 380 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 380 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 6 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 380 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 380 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 6 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 380 KB Output is correct
27 Correct 7 ms 760 KB Output is correct
28 Correct 7 ms 760 KB Output is correct
29 Correct 7 ms 760 KB Output is correct
30 Correct 8 ms 760 KB Output is correct
31 Correct 7 ms 760 KB Output is correct
32 Correct 7 ms 760 KB Output is correct
33 Correct 7 ms 760 KB Output is correct
34 Correct 7 ms 760 KB Output is correct
35 Correct 8 ms 760 KB Output is correct
36 Correct 7 ms 760 KB Output is correct
37 Correct 7 ms 760 KB Output is correct
38 Correct 8 ms 760 KB Output is correct
39 Correct 7 ms 760 KB Output is correct
40 Correct 7 ms 760 KB Output is correct
41 Correct 7 ms 760 KB Output is correct
42 Correct 7 ms 760 KB Output is correct
43 Correct 7 ms 760 KB Output is correct
44 Correct 7 ms 764 KB Output is correct
45 Correct 7 ms 760 KB Output is correct
46 Correct 7 ms 760 KB Output is correct
47 Correct 7 ms 760 KB Output is correct
48 Correct 7 ms 760 KB Output is correct
49 Correct 8 ms 760 KB Output is correct
50 Correct 7 ms 760 KB Output is correct
51 Correct 8 ms 760 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 380 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 6 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 380 KB Output is correct
27 Correct 7 ms 760 KB Output is correct
28 Correct 7 ms 760 KB Output is correct
29 Correct 7 ms 760 KB Output is correct
30 Correct 8 ms 760 KB Output is correct
31 Correct 7 ms 760 KB Output is correct
32 Correct 7 ms 760 KB Output is correct
33 Correct 7 ms 760 KB Output is correct
34 Correct 7 ms 760 KB Output is correct
35 Correct 8 ms 760 KB Output is correct
36 Correct 7 ms 760 KB Output is correct
37 Correct 7 ms 760 KB Output is correct
38 Correct 8 ms 760 KB Output is correct
39 Correct 7 ms 760 KB Output is correct
40 Correct 7 ms 760 KB Output is correct
41 Correct 7 ms 760 KB Output is correct
42 Correct 7 ms 760 KB Output is correct
43 Correct 7 ms 760 KB Output is correct
44 Correct 7 ms 764 KB Output is correct
45 Correct 7 ms 760 KB Output is correct
46 Correct 7 ms 760 KB Output is correct
47 Correct 7 ms 760 KB Output is correct
48 Correct 7 ms 760 KB Output is correct
49 Correct 8 ms 760 KB Output is correct
50 Correct 7 ms 760 KB Output is correct
51 Correct 8 ms 760 KB Output is correct
52 Correct 228 ms 24696 KB Output is correct
53 Correct 241 ms 24312 KB Output is correct
54 Correct 232 ms 24312 KB Output is correct
55 Correct 223 ms 24312 KB Output is correct
56 Correct 236 ms 24480 KB Output is correct
57 Correct 240 ms 24368 KB Output is correct
58 Correct 233 ms 24312 KB Output is correct
59 Correct 234 ms 24312 KB Output is correct
60 Correct 223 ms 24312 KB Output is correct
61 Correct 236 ms 24440 KB Output is correct
62 Correct 226 ms 24312 KB Output is correct
63 Correct 226 ms 24312 KB Output is correct
64 Correct 223 ms 24432 KB Output is correct
65 Correct 222 ms 24312 KB Output is correct
66 Correct 228 ms 24312 KB Output is correct
67 Correct 228 ms 24316 KB Output is correct
68 Correct 245 ms 24356 KB Output is correct