oj.uz

Submission #206162

# Submission time Handle Problem Language Result Execution time Memory
206162 2020-03-02T13:46:05 Z SoGood Art Exhibition (JOI18_art) C++17
100 / 100
 960 ms 33144 KB 
#include <bits/stdc++.h>
#define F first
#define S second
#define fo(i, n1, n, x) for(int i = n1; i <= n; i += x)
#define foo(i, n, n1, x) for(int i = n; i >= n1; i -= x)

using namespace std;


#define int ll

using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
using vi = vector<int>;



const int N = 5e5 + 11;
const ll INF2 = 2e18 + 11;

template<typename T1, typename T2> inline void chmax(T1 &a, T2 b) { if (a < b) a = b; }

int n,t[N*4],pref[N];
pii a[N];
void upd(int v, int l, int r, int pos, int val) {
  if (l == r) {
    t[v]=val;
    return;
  }
  int md=l+((r - l) >> 1ll);
  if (pos <= md) upd(v+v,l,md,pos,val);
  else upd(v+v+1,md+1,r,pos,val);
  t[v]=max(t[v+v],t[v+v+1]);
}
int get(int v, int l, int r, int left, int right) {
  if (left > r || right < l) return 0;
  if (left <= l and r <= right) return t[v];
  int md=l+((r-l)>>1ll);
  return max(get(v+v,l,md,left,right),get(v+v+1,md+1,r,left,right));
}
main() {
  cin>>n;
  fo(i,1,n,1) cin>>a[i].F>>a[i].S;
  sort(a+1,a+n+1, greater<pii>());
  fo(i,1,n,1) pref[i]=pref[i-1]+a[i].S;
  foo(i,n,2,1) upd(1,1,n,i,pref[i]+a[i].F);
  int ans=-INF2;
  fo(l,1,n,1) chmax(ans,get(1,1,n,l,n)-pref[l-1]-a[l].F);
  cout<<ans;
  return 0;
}

Compilation message

art.cpp:42:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 5 ms 376 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 376 KB Output is correct
6 Correct 4 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

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 5 ms 376 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 376 KB Output is correct
6 Correct 4 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 380 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 5 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 380 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 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 6 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 248 KB Output is correct
2 Correct 5 ms 376 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 376 KB Output is correct
6 Correct 4 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 380 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 5 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 380 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 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 6 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 15 ms 632 KB Output is correct
28 Correct 14 ms 632 KB Output is correct
29 Correct 14 ms 632 KB Output is correct
30 Correct 13 ms 632 KB Output is correct
31 Correct 14 ms 632 KB Output is correct
32 Correct 14 ms 632 KB Output is correct
33 Correct 14 ms 632 KB Output is correct
34 Correct 14 ms 632 KB Output is correct
35 Correct 13 ms 632 KB Output is correct
36 Correct 14 ms 632 KB Output is correct
37 Correct 14 ms 632 KB Output is correct
38 Correct 14 ms 632 KB Output is correct
39 Correct 14 ms 632 KB Output is correct
40 Correct 15 ms 632 KB Output is correct
41 Correct 13 ms 632 KB Output is correct
42 Correct 13 ms 632 KB Output is correct
43 Correct 14 ms 632 KB Output is correct
44 Correct 14 ms 632 KB Output is correct
45 Correct 14 ms 632 KB Output is correct
46 Correct 14 ms 504 KB Output is correct
47 Correct 14 ms 632 KB Output is correct
48 Correct 13 ms 632 KB Output is correct
49 Correct 13 ms 632 KB Output is correct
50 Correct 14 ms 632 KB Output is correct
51 Correct 13 ms 632 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 5 ms 376 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 376 KB Output is correct
6 Correct 4 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 380 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 5 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 380 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 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 6 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 15 ms 632 KB Output is correct
28 Correct 14 ms 632 KB Output is correct
29 Correct 14 ms 632 KB Output is correct
30 Correct 13 ms 632 KB Output is correct
31 Correct 14 ms 632 KB Output is correct
32 Correct 14 ms 632 KB Output is correct
33 Correct 14 ms 632 KB Output is correct
34 Correct 14 ms 632 KB Output is correct
35 Correct 13 ms 632 KB Output is correct
36 Correct 14 ms 632 KB Output is correct
37 Correct 14 ms 632 KB Output is correct
38 Correct 14 ms 632 KB Output is correct
39 Correct 14 ms 632 KB Output is correct
40 Correct 15 ms 632 KB Output is correct
41 Correct 13 ms 632 KB Output is correct
42 Correct 13 ms 632 KB Output is correct
43 Correct 14 ms 632 KB Output is correct
44 Correct 14 ms 632 KB Output is correct
45 Correct 14 ms 632 KB Output is correct
46 Correct 14 ms 504 KB Output is correct
47 Correct 14 ms 632 KB Output is correct
48 Correct 13 ms 632 KB Output is correct
49 Correct 13 ms 632 KB Output is correct
50 Correct 14 ms 632 KB Output is correct
51 Correct 13 ms 632 KB Output is correct
52 Correct 933 ms 20436 KB Output is correct
53 Correct 946 ms 33016 KB Output is correct
54 Correct 942 ms 32888 KB Output is correct
55 Correct 952 ms 33144 KB Output is correct
56 Correct 926 ms 33016 KB Output is correct
57 Correct 943 ms 33120 KB Output is correct
58 Correct 957 ms 32892 KB Output is correct
59 Correct 946 ms 33016 KB Output is correct
60 Correct 935 ms 33016 KB Output is correct
61 Correct 937 ms 33016 KB Output is correct
62 Correct 932 ms 33144 KB Output is correct
63 Correct 954 ms 33016 KB Output is correct
64 Correct 936 ms 33016 KB Output is correct
65 Correct 952 ms 32908 KB Output is correct
66 Correct 951 ms 32936 KB Output is correct
67 Correct 960 ms 33012 KB Output is correct
68 Correct 944 ms 32928 KB Output is correct