#include <bits/stdc++.h>
using namespace std;
#define int long long
#define whatis(x) cout<<"line "<<__LINE__<<": "<<#x<<" is "<<(x)<<endl
//#define whatis(x) 1210
int v[201210], c[201210];
using ii = pair<int,int>;
struct topm {
int m = 0, ans = 0, sz = 0; multiset<int> s1, s2;
priority_queue<ii> pq1, pq2;
bitset<201210> in1, in2;
topm() {}
void push(int x) {
pq1.push({-v[x],x});
++sz;
ans += v[x];
in1[x] = 1;
}
void pop(int x) {
in2[x]=0;
if(in1[x]) ans-=v[x],in1[x]=0,--sz;
}
int val() {
while(sz<m && pq2.size()) {
while(pq2.size()&&!in2[pq2.top().second]) pq2.pop();
if(!pq2.size()) break;
ans += pq2.top().first;
pq1.push({-pq2.top().first,pq2.top().second});
++sz;
in2[pq2.top().second]=0;in1[pq2.top().second]=1;
pq2.pop();
}
while(sz>m) {
while(pq1.size()&&!in1[pq1.top().second]) pq1.pop();
ans += pq1.top().first;
pq2.push({-pq1.top().first,pq1.top().second});
in1[pq1.top().second]=0;in2[pq1.top().second]=1;
pq1.pop();
--sz;
}
return (sz>=m?ans:-1e10);
}
} idk;
int l = 0, r = -1, m, ans = 0;
int qry(int x, int y) {
while(r<y) idk.push(++r);
while(l>x) idk.push(--l);
while(r>y) idk.pop(r--);
while(l<x) idk.pop(l++);
return idk.val()+2*(c[x]-c[y]);
}
int dp[201210];
void dnc(int l, int r, int optl, int optr) {
if(l>r) return;
int mi = l+r>>1;
pair<int,int> best = {-1e10,-1};
for(int k=optl;k<=min(mi,optr);k++) best=max(best,{qry(k,mi),k});
dp[mi]=best.first;
int opt=best.second;
dnc(l,mi-1,optl,opt);
dnc(mi+1,r,opt,optr);
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n; cin >> n >> m;
idk.m = m;
pair<int,int> stuff[n];
for(int i=0;i<n;i++) cin>>stuff[i].second>>stuff[i].first;
sort(stuff,stuff+n);
for(int i=0;i<n;i++) v[i]=stuff[i].second,c[i]=stuff[i].first;
dnc(m-1,n-1,0,n-1);
cout << *max_element(dp+m-1,dp+n);
}
Compilation message
cake3.cpp: In function 'void dnc(long long int, long long int, long long int, long long int)':
cake3.cpp:55:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
55 | int mi = l+r>>1;
| ~^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4440 KB |
Output is correct |
4 |
Correct |
1 ms |
4440 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4568 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4696 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
1 ms |
4440 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4444 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4444 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
4444 KB |
Output is correct |
34 |
Correct |
1 ms |
4444 KB |
Output is correct |
35 |
Correct |
1 ms |
4444 KB |
Output is correct |
36 |
Correct |
1 ms |
4444 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4440 KB |
Output is correct |
4 |
Correct |
1 ms |
4440 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4568 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4696 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
1 ms |
4440 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4444 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4444 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
4444 KB |
Output is correct |
34 |
Correct |
1 ms |
4444 KB |
Output is correct |
35 |
Correct |
1 ms |
4444 KB |
Output is correct |
36 |
Correct |
1 ms |
4444 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
38 |
Correct |
5 ms |
4700 KB |
Output is correct |
39 |
Correct |
5 ms |
4956 KB |
Output is correct |
40 |
Correct |
4 ms |
4952 KB |
Output is correct |
41 |
Correct |
4 ms |
4956 KB |
Output is correct |
42 |
Correct |
3 ms |
4956 KB |
Output is correct |
43 |
Correct |
3 ms |
4956 KB |
Output is correct |
44 |
Correct |
4 ms |
4956 KB |
Output is correct |
45 |
Correct |
5 ms |
4956 KB |
Output is correct |
46 |
Correct |
4 ms |
4956 KB |
Output is correct |
47 |
Correct |
4 ms |
4956 KB |
Output is correct |
48 |
Correct |
4 ms |
4956 KB |
Output is correct |
49 |
Correct |
3 ms |
5300 KB |
Output is correct |
50 |
Correct |
3 ms |
5116 KB |
Output is correct |
51 |
Correct |
4 ms |
5116 KB |
Output is correct |
52 |
Correct |
3 ms |
5100 KB |
Output is correct |
53 |
Correct |
3 ms |
5100 KB |
Output is correct |
54 |
Correct |
2 ms |
5100 KB |
Output is correct |
55 |
Correct |
2 ms |
5092 KB |
Output is correct |
56 |
Correct |
2 ms |
5092 KB |
Output is correct |
57 |
Correct |
2 ms |
5100 KB |
Output is correct |
58 |
Correct |
2 ms |
5100 KB |
Output is correct |
59 |
Correct |
2 ms |
5116 KB |
Output is correct |
60 |
Correct |
4 ms |
5116 KB |
Output is correct |
61 |
Correct |
3 ms |
5292 KB |
Output is correct |
62 |
Correct |
2 ms |
5100 KB |
Output is correct |
63 |
Correct |
4 ms |
4956 KB |
Output is correct |
64 |
Correct |
3 ms |
5116 KB |
Output is correct |
65 |
Correct |
4 ms |
4956 KB |
Output is correct |
66 |
Correct |
3 ms |
4956 KB |
Output is correct |
67 |
Correct |
4 ms |
4956 KB |
Output is correct |
68 |
Correct |
4 ms |
4956 KB |
Output is correct |
69 |
Correct |
4 ms |
5116 KB |
Output is correct |
70 |
Correct |
3 ms |
5116 KB |
Output is correct |
71 |
Correct |
3 ms |
4956 KB |
Output is correct |
72 |
Correct |
2 ms |
5100 KB |
Output is correct |
73 |
Correct |
3 ms |
4700 KB |
Output is correct |
74 |
Correct |
1 ms |
4700 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4440 KB |
Output is correct |
4 |
Correct |
1 ms |
4440 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4568 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4696 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
1 ms |
4440 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4444 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4444 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
4444 KB |
Output is correct |
34 |
Correct |
1 ms |
4444 KB |
Output is correct |
35 |
Correct |
1 ms |
4444 KB |
Output is correct |
36 |
Correct |
1 ms |
4444 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
38 |
Correct |
5 ms |
4700 KB |
Output is correct |
39 |
Correct |
5 ms |
4956 KB |
Output is correct |
40 |
Correct |
4 ms |
4952 KB |
Output is correct |
41 |
Correct |
4 ms |
4956 KB |
Output is correct |
42 |
Correct |
3 ms |
4956 KB |
Output is correct |
43 |
Correct |
3 ms |
4956 KB |
Output is correct |
44 |
Correct |
4 ms |
4956 KB |
Output is correct |
45 |
Correct |
5 ms |
4956 KB |
Output is correct |
46 |
Correct |
4 ms |
4956 KB |
Output is correct |
47 |
Correct |
4 ms |
4956 KB |
Output is correct |
48 |
Correct |
4 ms |
4956 KB |
Output is correct |
49 |
Correct |
3 ms |
5300 KB |
Output is correct |
50 |
Correct |
3 ms |
5116 KB |
Output is correct |
51 |
Correct |
4 ms |
5116 KB |
Output is correct |
52 |
Correct |
3 ms |
5100 KB |
Output is correct |
53 |
Correct |
3 ms |
5100 KB |
Output is correct |
54 |
Correct |
2 ms |
5100 KB |
Output is correct |
55 |
Correct |
2 ms |
5092 KB |
Output is correct |
56 |
Correct |
2 ms |
5092 KB |
Output is correct |
57 |
Correct |
2 ms |
5100 KB |
Output is correct |
58 |
Correct |
2 ms |
5100 KB |
Output is correct |
59 |
Correct |
2 ms |
5116 KB |
Output is correct |
60 |
Correct |
4 ms |
5116 KB |
Output is correct |
61 |
Correct |
3 ms |
5292 KB |
Output is correct |
62 |
Correct |
2 ms |
5100 KB |
Output is correct |
63 |
Correct |
4 ms |
4956 KB |
Output is correct |
64 |
Correct |
3 ms |
5116 KB |
Output is correct |
65 |
Correct |
4 ms |
4956 KB |
Output is correct |
66 |
Correct |
3 ms |
4956 KB |
Output is correct |
67 |
Correct |
4 ms |
4956 KB |
Output is correct |
68 |
Correct |
4 ms |
4956 KB |
Output is correct |
69 |
Correct |
4 ms |
5116 KB |
Output is correct |
70 |
Correct |
3 ms |
5116 KB |
Output is correct |
71 |
Correct |
3 ms |
4956 KB |
Output is correct |
72 |
Correct |
2 ms |
5100 KB |
Output is correct |
73 |
Correct |
3 ms |
4700 KB |
Output is correct |
74 |
Correct |
1 ms |
4700 KB |
Output is correct |
75 |
Correct |
796 ms |
51852 KB |
Output is correct |
76 |
Correct |
890 ms |
31532 KB |
Output is correct |
77 |
Correct |
684 ms |
49552 KB |
Output is correct |
78 |
Correct |
738 ms |
52264 KB |
Output is correct |
79 |
Correct |
105 ms |
46516 KB |
Output is correct |
80 |
Correct |
200 ms |
77480 KB |
Output is correct |
81 |
Correct |
639 ms |
78460 KB |
Output is correct |
82 |
Correct |
809 ms |
48932 KB |
Output is correct |
83 |
Correct |
742 ms |
78680 KB |
Output is correct |
84 |
Correct |
775 ms |
79904 KB |
Output is correct |
85 |
Correct |
674 ms |
79532 KB |
Output is correct |
86 |
Correct |
359 ms |
77928 KB |
Output is correct |
87 |
Correct |
346 ms |
78024 KB |
Output is correct |
88 |
Correct |
592 ms |
79784 KB |
Output is correct |
89 |
Correct |
515 ms |
78808 KB |
Output is correct |
90 |
Correct |
349 ms |
79528 KB |
Output is correct |
91 |
Correct |
246 ms |
79020 KB |
Output is correct |
92 |
Correct |
246 ms |
78032 KB |
Output is correct |
93 |
Correct |
286 ms |
77988 KB |
Output is correct |
94 |
Correct |
233 ms |
77320 KB |
Output is correct |
95 |
Correct |
342 ms |
79784 KB |
Output is correct |
96 |
Correct |
313 ms |
77984 KB |
Output is correct |
97 |
Correct |
316 ms |
78752 KB |
Output is correct |
98 |
Correct |
341 ms |
79404 KB |
Output is correct |
99 |
Correct |
300 ms |
79784 KB |
Output is correct |
100 |
Correct |
267 ms |
77948 KB |
Output is correct |
101 |
Correct |
265 ms |
77992 KB |
Output is correct |
102 |
Correct |
778 ms |
46640 KB |
Output is correct |
103 |
Correct |
683 ms |
50644 KB |
Output is correct |
104 |
Correct |
763 ms |
45968 KB |
Output is correct |
105 |
Correct |
508 ms |
79268 KB |
Output is correct |
106 |
Correct |
561 ms |
79512 KB |
Output is correct |
107 |
Correct |
503 ms |
79524 KB |
Output is correct |
108 |
Correct |
705 ms |
49068 KB |
Output is correct |
109 |
Correct |
562 ms |
80580 KB |
Output is correct |
110 |
Correct |
296 ms |
77476 KB |
Output is correct |
111 |
Correct |
435 ms |
76844 KB |
Output is correct |
112 |
Correct |
375 ms |
45504 KB |
Output is correct |
113 |
Correct |
49 ms |
16840 KB |
Output is correct |