oj.uz

Submission #207697

# Submission time Handle Problem Language Result Execution time Memory
207697 2020-03-08T16:01:24 Z Nucleist Art Exhibition (JOI18_art) C++14
100 / 100
 257 ms 36600 KB 
#include <bits/stdc++.h> 
using namespace std; 
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#define flash ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ll long long
#define int ll
#define INF 1000000000
#define MOD 1000000007
#define pb push_back
#define ve vector<ll>
#define dos pair<ll,ll>
#define vedos vector<dos>
#define rand mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
struct greateri
{
    template<class T>
    bool operator()(T const &a, T const &b) const { return a > b; }
};
int A[500003],B[500003],maxi[500003];
int32_t main()
{
    flash;
    int n,ans=0;
    cin>>n;
    ve cum(n,0);
    vedos vec(n);
    for (int i = 0; i < n; ++i){
        cin>>A[i]>>B[i],ans=max(ans,B[i]);    
        vec[i]=dos(A[i],B[i]);
    }
    sort(all(vec));
    for (int i = n-1; i >=0 ; i--){
        cum[i]+=vec[i].second;
        if(i!=(n-1))cum[i]+=cum[i+1];
    }
    for (int i = n-1; i >=0 ; i--)
        cum[i]+=vec[i].first;
    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].first-((i!=(n-1))?(cum[i+1]-vec[i+1].first):0));
    cout<<ans;
    return 0;
}
//code the AC sol !
// BS/queue/map

Compilation message

art.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("O3")
 
art.cpp:5:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("unroll-loops")

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 380 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 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 388 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 380 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 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 388 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 380 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 6 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 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 6 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 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 380 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 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 388 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 380 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 6 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 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 6 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 376 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 7 ms 760 KB Output is correct
31 Correct 7 ms 888 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 7 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 7 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 760 KB Output is correct
45 Correct 8 ms 760 KB Output is correct
46 Correct 7 ms 764 KB Output is correct
47 Correct 7 ms 760 KB Output is correct
48 Correct 7 ms 760 KB Output is correct
49 Correct 7 ms 760 KB Output is correct
50 Correct 7 ms 760 KB Output is correct
51 Correct 7 ms 760 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 380 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 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 388 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 380 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 6 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 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 6 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 376 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 7 ms 760 KB Output is correct
31 Correct 7 ms 888 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 7 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 7 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 760 KB Output is correct
45 Correct 8 ms 760 KB Output is correct
46 Correct 7 ms 764 KB Output is correct
47 Correct 7 ms 760 KB Output is correct
48 Correct 7 ms 760 KB Output is correct
49 Correct 7 ms 760 KB Output is correct
50 Correct 7 ms 760 KB Output is correct
51 Correct 7 ms 760 KB Output is correct
52 Correct 240 ms 35448 KB Output is correct
53 Correct 245 ms 36472 KB Output is correct
54 Correct 257 ms 36580 KB Output is correct
55 Correct 242 ms 36472 KB Output is correct
56 Correct 238 ms 36432 KB Output is correct
57 Correct 240 ms 36472 KB Output is correct
58 Correct 233 ms 36472 KB Output is correct
59 Correct 232 ms 36600 KB Output is correct
60 Correct 244 ms 36472 KB Output is correct
61 Correct 236 ms 36472 KB Output is correct
62 Correct 249 ms 36472 KB Output is correct
63 Correct 232 ms 36472 KB Output is correct
64 Correct 245 ms 36504 KB Output is correct
65 Correct 248 ms 36460 KB Output is correct
66 Correct 235 ms 36448 KB Output is correct
67 Correct 235 ms 36472 KB Output is correct
68 Correct 238 ms 36512 KB Output is correct