#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MX=2e5+5;
int N;
int X[MX],Y[MX],Z[MX],mn[MX];
vector<pair<int,int>> ops[MX];
priority_queue<int, vector<int>, greater<int>> pend[MX];
struct segtree {
pair<int,int> t[4 * MX];
void update(int v, int l, int r, int pos, int val) {
if(l > pos || r < pos) return;
if(l == r) {
t[v] = make_pair(val, pos);
return;
}
int mid = (l + r) >> 1;
update(v * 2 + 0, l, mid + 0, pos, val);
update(v * 2 + 1, mid + 1, r, pos, val);
t[v] = min(t[v * 2 + 0], t[v * 2 + 1]);
}
pair<int,int> query(int v, int l, int r, int ql, int qr) {
if(ql > r || qr < l) return make_pair(1e8, 1e8);
if(ql <= l && qr >= r) return t[v];
int mid = (l + r) >> 1;
return min(query(v * 2 + 0, l, mid + 0, ql, qr), query(v * 2 + 1, mid + 1, r, ql, qr));
}
void prep() {
for(int i=0;i<4*MX;i++) t[i]=make_pair(1e8,i);
}
} st, tt;
priority_queue<pair<int,int>> pts;
int rx[MX], ry[MX], rz[MX];
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
st.prep();
tt.prep();
cin>>N;
map<int,int> ix,iy,iz;
for(int i=0;i<N;i++) {
cin>>X[i]>>Y[i]>>Z[i];
ix[X[i]]=0;
iy[Y[i]]=0;
iz[Z[i]]=0;
}
int p=0;
for(auto &[x,y]:ix) y=p++, rx[y]=x;
p=0;
for(auto &[x,y]:iy) y=p++, ry[y]=x;
p=0;
for(auto &[x,y]:iz) y=p++, rz[y]=x;
for(int i=0;i<N;i++) {
ops[iz[Z[i]]].push_back({ix[X[i]],iy[Y[i]]});
pend[i].push(1e8);
mn[i]=1e8;
}
int ans=-1;
for(int z=0;z<N;z++) {
// evaluate
for(auto [x,y]:ops[z]) {
if(pts.empty()) continue;
auto [yy,xx]=pts.top();
// wanna get rightmost x
int l=xx+1,r=N,res=-1;
while(l<=r) {
int mid=(l+r)/2;
if(tt.query(1,0,N,mid,N).first<yy) {
res=mid,l=mid+1;
} else {
r=mid-1;
}
}
if(res<=x||yy<=y) continue;
ans=max(ans,rz[z]+ry[yy]+rx[res]);
}
// insert
for(auto [x,y]:ops[z]) {
if(tt.query(1,0,N,x+1,N).first>=y) {
pend[y].push(x);
st.update(1,0,N,y,pend[y].top());
} else {
pts.push({y,x});
}
mn[x]=min(mn[x],y);
tt.update(1,0,N,x,mn[x]);
}
for(auto [x,y]:ops[z]) {
while(true) {
auto [v,k]=st.query(1,0,N,y+1,N);
if(v<x) {
pts.push({k,v});
pend[k].pop();
st.update(1,0,N,k,pend[k].top());
} else {
break;
}
}
}
}
cout<<ans<<'\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
29016 KB |
Output is correct |
2 |
Correct |
6 ms |
29016 KB |
Output is correct |
3 |
Correct |
6 ms |
29020 KB |
Output is correct |
4 |
Correct |
7 ms |
29020 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
6 ms |
29172 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
6 ms |
29020 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29020 KB |
Output is correct |
12 |
Correct |
6 ms |
29020 KB |
Output is correct |
13 |
Correct |
6 ms |
29020 KB |
Output is correct |
14 |
Correct |
6 ms |
29020 KB |
Output is correct |
15 |
Correct |
7 ms |
29020 KB |
Output is correct |
16 |
Correct |
7 ms |
29240 KB |
Output is correct |
17 |
Correct |
6 ms |
29164 KB |
Output is correct |
18 |
Correct |
6 ms |
29020 KB |
Output is correct |
19 |
Correct |
6 ms |
29112 KB |
Output is correct |
20 |
Correct |
6 ms |
29020 KB |
Output is correct |
21 |
Correct |
6 ms |
29168 KB |
Output is correct |
22 |
Correct |
8 ms |
29164 KB |
Output is correct |
23 |
Correct |
6 ms |
29020 KB |
Output is correct |
24 |
Correct |
7 ms |
29020 KB |
Output is correct |
25 |
Correct |
6 ms |
29020 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
29016 KB |
Output is correct |
2 |
Correct |
6 ms |
29016 KB |
Output is correct |
3 |
Correct |
6 ms |
29020 KB |
Output is correct |
4 |
Correct |
7 ms |
29020 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
6 ms |
29172 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
6 ms |
29020 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29020 KB |
Output is correct |
12 |
Correct |
6 ms |
29020 KB |
Output is correct |
13 |
Correct |
6 ms |
29020 KB |
Output is correct |
14 |
Correct |
6 ms |
29020 KB |
Output is correct |
15 |
Correct |
7 ms |
29020 KB |
Output is correct |
16 |
Correct |
7 ms |
29240 KB |
Output is correct |
17 |
Correct |
6 ms |
29164 KB |
Output is correct |
18 |
Correct |
6 ms |
29020 KB |
Output is correct |
19 |
Correct |
6 ms |
29112 KB |
Output is correct |
20 |
Correct |
6 ms |
29020 KB |
Output is correct |
21 |
Correct |
6 ms |
29168 KB |
Output is correct |
22 |
Correct |
8 ms |
29164 KB |
Output is correct |
23 |
Correct |
6 ms |
29020 KB |
Output is correct |
24 |
Correct |
7 ms |
29020 KB |
Output is correct |
25 |
Correct |
6 ms |
29020 KB |
Output is correct |
26 |
Correct |
14 ms |
30040 KB |
Output is correct |
27 |
Correct |
14 ms |
29820 KB |
Output is correct |
28 |
Correct |
14 ms |
29788 KB |
Output is correct |
29 |
Correct |
14 ms |
29764 KB |
Output is correct |
30 |
Correct |
11 ms |
29532 KB |
Output is correct |
31 |
Correct |
13 ms |
29532 KB |
Output is correct |
32 |
Correct |
11 ms |
29528 KB |
Output is correct |
33 |
Correct |
8 ms |
29532 KB |
Output is correct |
34 |
Correct |
14 ms |
30300 KB |
Output is correct |
35 |
Correct |
6 ms |
29272 KB |
Output is correct |
36 |
Correct |
7 ms |
29272 KB |
Output is correct |
37 |
Correct |
9 ms |
29532 KB |
Output is correct |
38 |
Correct |
12 ms |
29484 KB |
Output is correct |
39 |
Correct |
8 ms |
29276 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
29016 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29020 KB |
Output is correct |
4 |
Correct |
7 ms |
29016 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
7 ms |
29016 KB |
Output is correct |
7 |
Correct |
6 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
6 ms |
29104 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
216 ms |
37172 KB |
Output is correct |
12 |
Correct |
109 ms |
35168 KB |
Output is correct |
13 |
Correct |
73 ms |
35460 KB |
Output is correct |
14 |
Correct |
117 ms |
37828 KB |
Output is correct |
15 |
Correct |
77 ms |
37300 KB |
Output is correct |
16 |
Correct |
77 ms |
37308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
29016 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29020 KB |
Output is correct |
4 |
Correct |
7 ms |
29016 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
7 ms |
29016 KB |
Output is correct |
7 |
Correct |
6 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
6 ms |
29104 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
216 ms |
37172 KB |
Output is correct |
12 |
Correct |
109 ms |
35168 KB |
Output is correct |
13 |
Correct |
73 ms |
35460 KB |
Output is correct |
14 |
Correct |
117 ms |
37828 KB |
Output is correct |
15 |
Correct |
77 ms |
37300 KB |
Output is correct |
16 |
Correct |
77 ms |
37308 KB |
Output is correct |
17 |
Correct |
6 ms |
29016 KB |
Output is correct |
18 |
Correct |
6 ms |
29020 KB |
Output is correct |
19 |
Correct |
6 ms |
29020 KB |
Output is correct |
20 |
Correct |
11 ms |
29020 KB |
Output is correct |
21 |
Correct |
9 ms |
29108 KB |
Output is correct |
22 |
Correct |
310 ms |
38280 KB |
Output is correct |
23 |
Correct |
251 ms |
36876 KB |
Output is correct |
24 |
Correct |
179 ms |
35528 KB |
Output is correct |
25 |
Correct |
228 ms |
38964 KB |
Output is correct |
26 |
Correct |
84 ms |
37344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
29016 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29020 KB |
Output is correct |
4 |
Correct |
7 ms |
29016 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
7 ms |
29016 KB |
Output is correct |
7 |
Correct |
6 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
6 ms |
29104 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
216 ms |
37172 KB |
Output is correct |
12 |
Correct |
109 ms |
35168 KB |
Output is correct |
13 |
Correct |
73 ms |
35460 KB |
Output is correct |
14 |
Correct |
117 ms |
37828 KB |
Output is correct |
15 |
Correct |
77 ms |
37300 KB |
Output is correct |
16 |
Correct |
77 ms |
37308 KB |
Output is correct |
17 |
Correct |
6 ms |
29016 KB |
Output is correct |
18 |
Correct |
6 ms |
29020 KB |
Output is correct |
19 |
Correct |
6 ms |
29020 KB |
Output is correct |
20 |
Correct |
11 ms |
29020 KB |
Output is correct |
21 |
Correct |
9 ms |
29108 KB |
Output is correct |
22 |
Correct |
310 ms |
38280 KB |
Output is correct |
23 |
Correct |
251 ms |
36876 KB |
Output is correct |
24 |
Correct |
179 ms |
35528 KB |
Output is correct |
25 |
Correct |
228 ms |
38964 KB |
Output is correct |
26 |
Correct |
84 ms |
37344 KB |
Output is correct |
27 |
Correct |
6 ms |
29020 KB |
Output is correct |
28 |
Correct |
8 ms |
29020 KB |
Output is correct |
29 |
Correct |
7 ms |
29020 KB |
Output is correct |
30 |
Correct |
6 ms |
29020 KB |
Output is correct |
31 |
Correct |
13 ms |
29276 KB |
Output is correct |
32 |
Correct |
8 ms |
25076 KB |
Output is correct |
33 |
Correct |
7 ms |
29272 KB |
Output is correct |
34 |
Correct |
285 ms |
38676 KB |
Output is correct |
35 |
Correct |
275 ms |
38840 KB |
Output is correct |
36 |
Correct |
292 ms |
39200 KB |
Output is correct |
37 |
Correct |
258 ms |
39544 KB |
Output is correct |
38 |
Correct |
95 ms |
38124 KB |
Output is correct |
39 |
Correct |
60 ms |
34808 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
29016 KB |
Output is correct |
2 |
Correct |
6 ms |
29020 KB |
Output is correct |
3 |
Correct |
6 ms |
29020 KB |
Output is correct |
4 |
Correct |
7 ms |
29016 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
7 ms |
29016 KB |
Output is correct |
7 |
Correct |
6 ms |
29020 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
6 ms |
29104 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
216 ms |
37172 KB |
Output is correct |
12 |
Correct |
109 ms |
35168 KB |
Output is correct |
13 |
Correct |
73 ms |
35460 KB |
Output is correct |
14 |
Correct |
117 ms |
37828 KB |
Output is correct |
15 |
Correct |
77 ms |
37300 KB |
Output is correct |
16 |
Correct |
77 ms |
37308 KB |
Output is correct |
17 |
Correct |
6 ms |
29016 KB |
Output is correct |
18 |
Correct |
6 ms |
29020 KB |
Output is correct |
19 |
Correct |
6 ms |
29020 KB |
Output is correct |
20 |
Correct |
11 ms |
29020 KB |
Output is correct |
21 |
Correct |
9 ms |
29108 KB |
Output is correct |
22 |
Correct |
310 ms |
38280 KB |
Output is correct |
23 |
Correct |
251 ms |
36876 KB |
Output is correct |
24 |
Correct |
179 ms |
35528 KB |
Output is correct |
25 |
Correct |
228 ms |
38964 KB |
Output is correct |
26 |
Correct |
84 ms |
37344 KB |
Output is correct |
27 |
Correct |
6 ms |
29020 KB |
Output is correct |
28 |
Correct |
8 ms |
29020 KB |
Output is correct |
29 |
Correct |
7 ms |
29020 KB |
Output is correct |
30 |
Correct |
6 ms |
29020 KB |
Output is correct |
31 |
Correct |
13 ms |
29276 KB |
Output is correct |
32 |
Correct |
8 ms |
25076 KB |
Output is correct |
33 |
Correct |
7 ms |
29272 KB |
Output is correct |
34 |
Correct |
285 ms |
38676 KB |
Output is correct |
35 |
Correct |
275 ms |
38840 KB |
Output is correct |
36 |
Correct |
292 ms |
39200 KB |
Output is correct |
37 |
Correct |
258 ms |
39544 KB |
Output is correct |
38 |
Correct |
95 ms |
38124 KB |
Output is correct |
39 |
Correct |
60 ms |
34808 KB |
Output is correct |
40 |
Correct |
14 ms |
29456 KB |
Output is correct |
41 |
Correct |
14 ms |
29528 KB |
Output is correct |
42 |
Correct |
10 ms |
29532 KB |
Output is correct |
43 |
Correct |
23 ms |
28308 KB |
Output is correct |
44 |
Correct |
385 ms |
40636 KB |
Output is correct |
45 |
Correct |
378 ms |
40660 KB |
Output is correct |
46 |
Correct |
388 ms |
40628 KB |
Output is correct |
47 |
Correct |
352 ms |
40672 KB |
Output is correct |
48 |
Correct |
114 ms |
38852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
29016 KB |
Output is correct |
2 |
Correct |
6 ms |
29016 KB |
Output is correct |
3 |
Correct |
6 ms |
29020 KB |
Output is correct |
4 |
Correct |
7 ms |
29020 KB |
Output is correct |
5 |
Correct |
6 ms |
29020 KB |
Output is correct |
6 |
Correct |
6 ms |
29020 KB |
Output is correct |
7 |
Correct |
6 ms |
29172 KB |
Output is correct |
8 |
Correct |
6 ms |
29020 KB |
Output is correct |
9 |
Correct |
6 ms |
29020 KB |
Output is correct |
10 |
Correct |
6 ms |
29020 KB |
Output is correct |
11 |
Correct |
7 ms |
29020 KB |
Output is correct |
12 |
Correct |
6 ms |
29020 KB |
Output is correct |
13 |
Correct |
6 ms |
29020 KB |
Output is correct |
14 |
Correct |
6 ms |
29020 KB |
Output is correct |
15 |
Correct |
7 ms |
29020 KB |
Output is correct |
16 |
Correct |
7 ms |
29240 KB |
Output is correct |
17 |
Correct |
6 ms |
29164 KB |
Output is correct |
18 |
Correct |
6 ms |
29020 KB |
Output is correct |
19 |
Correct |
6 ms |
29112 KB |
Output is correct |
20 |
Correct |
6 ms |
29020 KB |
Output is correct |
21 |
Correct |
6 ms |
29168 KB |
Output is correct |
22 |
Correct |
8 ms |
29164 KB |
Output is correct |
23 |
Correct |
6 ms |
29020 KB |
Output is correct |
24 |
Correct |
7 ms |
29020 KB |
Output is correct |
25 |
Correct |
6 ms |
29020 KB |
Output is correct |
26 |
Correct |
14 ms |
30040 KB |
Output is correct |
27 |
Correct |
14 ms |
29820 KB |
Output is correct |
28 |
Correct |
14 ms |
29788 KB |
Output is correct |
29 |
Correct |
14 ms |
29764 KB |
Output is correct |
30 |
Correct |
11 ms |
29532 KB |
Output is correct |
31 |
Correct |
13 ms |
29532 KB |
Output is correct |
32 |
Correct |
11 ms |
29528 KB |
Output is correct |
33 |
Correct |
8 ms |
29532 KB |
Output is correct |
34 |
Correct |
14 ms |
30300 KB |
Output is correct |
35 |
Correct |
6 ms |
29272 KB |
Output is correct |
36 |
Correct |
7 ms |
29272 KB |
Output is correct |
37 |
Correct |
9 ms |
29532 KB |
Output is correct |
38 |
Correct |
12 ms |
29484 KB |
Output is correct |
39 |
Correct |
8 ms |
29276 KB |
Output is correct |
40 |
Correct |
6 ms |
29016 KB |
Output is correct |
41 |
Correct |
6 ms |
29020 KB |
Output is correct |
42 |
Correct |
6 ms |
29020 KB |
Output is correct |
43 |
Correct |
7 ms |
29016 KB |
Output is correct |
44 |
Correct |
6 ms |
29020 KB |
Output is correct |
45 |
Correct |
7 ms |
29016 KB |
Output is correct |
46 |
Correct |
6 ms |
29020 KB |
Output is correct |
47 |
Correct |
6 ms |
29020 KB |
Output is correct |
48 |
Correct |
6 ms |
29104 KB |
Output is correct |
49 |
Correct |
6 ms |
29020 KB |
Output is correct |
50 |
Correct |
216 ms |
37172 KB |
Output is correct |
51 |
Correct |
109 ms |
35168 KB |
Output is correct |
52 |
Correct |
73 ms |
35460 KB |
Output is correct |
53 |
Correct |
117 ms |
37828 KB |
Output is correct |
54 |
Correct |
77 ms |
37300 KB |
Output is correct |
55 |
Correct |
77 ms |
37308 KB |
Output is correct |
56 |
Correct |
6 ms |
29016 KB |
Output is correct |
57 |
Correct |
6 ms |
29020 KB |
Output is correct |
58 |
Correct |
6 ms |
29020 KB |
Output is correct |
59 |
Correct |
11 ms |
29020 KB |
Output is correct |
60 |
Correct |
9 ms |
29108 KB |
Output is correct |
61 |
Correct |
310 ms |
38280 KB |
Output is correct |
62 |
Correct |
251 ms |
36876 KB |
Output is correct |
63 |
Correct |
179 ms |
35528 KB |
Output is correct |
64 |
Correct |
228 ms |
38964 KB |
Output is correct |
65 |
Correct |
84 ms |
37344 KB |
Output is correct |
66 |
Correct |
6 ms |
29020 KB |
Output is correct |
67 |
Correct |
8 ms |
29020 KB |
Output is correct |
68 |
Correct |
7 ms |
29020 KB |
Output is correct |
69 |
Correct |
6 ms |
29020 KB |
Output is correct |
70 |
Correct |
13 ms |
29276 KB |
Output is correct |
71 |
Correct |
8 ms |
25076 KB |
Output is correct |
72 |
Correct |
7 ms |
29272 KB |
Output is correct |
73 |
Correct |
285 ms |
38676 KB |
Output is correct |
74 |
Correct |
275 ms |
38840 KB |
Output is correct |
75 |
Correct |
292 ms |
39200 KB |
Output is correct |
76 |
Correct |
258 ms |
39544 KB |
Output is correct |
77 |
Correct |
95 ms |
38124 KB |
Output is correct |
78 |
Correct |
60 ms |
34808 KB |
Output is correct |
79 |
Correct |
14 ms |
29456 KB |
Output is correct |
80 |
Correct |
14 ms |
29528 KB |
Output is correct |
81 |
Correct |
10 ms |
29532 KB |
Output is correct |
82 |
Correct |
23 ms |
28308 KB |
Output is correct |
83 |
Correct |
385 ms |
40636 KB |
Output is correct |
84 |
Correct |
378 ms |
40660 KB |
Output is correct |
85 |
Correct |
388 ms |
40628 KB |
Output is correct |
86 |
Correct |
352 ms |
40672 KB |
Output is correct |
87 |
Correct |
114 ms |
38852 KB |
Output is correct |
88 |
Correct |
778 ms |
65716 KB |
Output is correct |
89 |
Correct |
699 ms |
54724 KB |
Output is correct |
90 |
Correct |
667 ms |
56216 KB |
Output is correct |
91 |
Correct |
633 ms |
52172 KB |
Output is correct |
92 |
Correct |
488 ms |
44576 KB |
Output is correct |
93 |
Correct |
711 ms |
54332 KB |
Output is correct |
94 |
Correct |
534 ms |
49076 KB |
Output is correct |
95 |
Correct |
185 ms |
46316 KB |
Output is correct |
96 |
Correct |
503 ms |
63776 KB |
Output is correct |
97 |
Correct |
89 ms |
40412 KB |
Output is correct |
98 |
Correct |
149 ms |
46544 KB |
Output is correct |
99 |
Correct |
316 ms |
46420 KB |
Output is correct |