oj.uz

Submission #939595

# Submission time Handle Problem Language Result Execution time Memory
939595 2024-03-06T14:45:27 Z vjudge1 Art Exhibition (JOI18_art) C++17
100 / 100
 138 ms 24764 KB 
#include <bits/stdc++.h>

#pragma optimize("Ofast")
#pragma target("avx2")

using namespace std;

#define ll long long
#define ld long double
#define pb push_back
#define pf push_front
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define F first
#define S second
#define mem(a,i) memset(a,i,sizeof(a))
#define sz(s) (int)s.size()
#define y1 yy
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound
#define gcd(a,b) __gcd(a,b)
#define in insert
#define int ll

const int MAX=5e5+15;
const int B=2e5;
const int N=104;
const int block=450;
const int maxB=MAX/B+10;
const ll inf=1e18;  
const int mod=1e9+7;
const int mod1=1e9+9;
const ld eps=1e-9;

int dx[8]={1,0,-1,0,1,-1,-1,1};
int dy[8]={0,1,0,-1,1,-1,1,-1};

int binpow(int a,int n){
  if(!n)return 1;
  if(n%2==1)return a*binpow(a,n-1);
  int k=binpow(a,n/2);
  return k*k;
}

int n;
pii a[MAX];
int p[MAX];

void solve(){
  cin>>n;
  for(int i=1;i<=n;i++)cin>>a[i].F>>a[i].S;
  sort(a+1,a+n+1);
  for(int i=1;i<=n;i++){
    p[i]=p[i-1]+a[i].S;
  }
  int mx=-inf;
  int ans=0;
  for(int i=n;i>=1;i--){
    mx=max(mx,p[i]-a[i].F);
    ans=max(ans,mx-p[i-1]+a[i].F);
  }
  cout<<ans<<"\n";
}

signed main(){
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  // prec();
  int t=1;
  // cin>>t;
  while(t--)solve();
}

Compilation message

art.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize("Ofast")
      | 
art.cpp:4: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
    4 | #pragma target("avx2")
      |

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2516 KB Output is correct
7 Correct 1 ms 2512 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2516 KB Output is correct
7 Correct 1 ms 2512 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2520 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2516 KB Output is correct
7 Correct 1 ms 2512 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2520 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2648 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2524 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2652 KB Output is correct
33 Correct 2 ms 2520 KB Output is correct
34 Correct 2 ms 2628 KB Output is correct
35 Correct 2 ms 2652 KB Output is correct
36 Correct 2 ms 2652 KB Output is correct
37 Correct 2 ms 2652 KB Output is correct
38 Correct 2 ms 2652 KB Output is correct
39 Correct 2 ms 2652 KB Output is correct
40 Correct 2 ms 2652 KB Output is correct
41 Correct 2 ms 2652 KB Output is correct
42 Correct 2 ms 2652 KB Output is correct
43 Correct 2 ms 2652 KB Output is correct
44 Correct 2 ms 2524 KB Output is correct
45 Correct 2 ms 2652 KB Output is correct
46 Correct 2 ms 2624 KB Output is correct
47 Correct 2 ms 2652 KB Output is correct
48 Correct 2 ms 2652 KB Output is correct
49 Correct 2 ms 2648 KB Output is correct
50 Correct 2 ms 2652 KB Output is correct
51 Correct 3 ms 2652 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2516 KB Output is correct
7 Correct 1 ms 2512 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2520 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2648 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2524 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2652 KB Output is correct
33 Correct 2 ms 2520 KB Output is correct
34 Correct 2 ms 2628 KB Output is correct
35 Correct 2 ms 2652 KB Output is correct
36 Correct 2 ms 2652 KB Output is correct
37 Correct 2 ms 2652 KB Output is correct
38 Correct 2 ms 2652 KB Output is correct
39 Correct 2 ms 2652 KB Output is correct
40 Correct 2 ms 2652 KB Output is correct
41 Correct 2 ms 2652 KB Output is correct
42 Correct 2 ms 2652 KB Output is correct
43 Correct 2 ms 2652 KB Output is correct
44 Correct 2 ms 2524 KB Output is correct
45 Correct 2 ms 2652 KB Output is correct
46 Correct 2 ms 2624 KB Output is correct
47 Correct 2 ms 2652 KB Output is correct
48 Correct 2 ms 2652 KB Output is correct
49 Correct 2 ms 2648 KB Output is correct
50 Correct 2 ms 2652 KB Output is correct
51 Correct 3 ms 2652 KB Output is correct
52 Correct 129 ms 24580 KB Output is correct
53 Correct 131 ms 24636 KB Output is correct
54 Correct 127 ms 24656 KB Output is correct
55 Correct 131 ms 24620 KB Output is correct
56 Correct 129 ms 24636 KB Output is correct
57 Correct 129 ms 24684 KB Output is correct
58 Correct 128 ms 24656 KB Output is correct
59 Correct 129 ms 24660 KB Output is correct
60 Correct 127 ms 24656 KB Output is correct
61 Correct 138 ms 24656 KB Output is correct
62 Correct 130 ms 24636 KB Output is correct
63 Correct 128 ms 24752 KB Output is correct
64 Correct 129 ms 24660 KB Output is correct
65 Correct 130 ms 24764 KB Output is correct
66 Correct 128 ms 24632 KB Output is correct
67 Correct 129 ms 24656 KB Output is correct
68 Correct 132 ms 24660 KB Output is correct