#include <bits/stdc++.h>
#define FOR(i,x,y) for (int i=x; i<y; i++)
typedef long long ll;
using namespace std;
struct X{
ll l,r,t,b;
X operator+(X B){
return{max(l,t+B.l),max(B.r,r+B.t),t+B.t,max(max(b,B.b),r+B.l)};
}
}T[8001];
struct Y{
ll x,y,v;
bool operator<(Y B){
if (x==B.x) return y<B.y;
return x<B.x;
}
}P[2001];
struct Z{
ll x,y;
int u,v;
bool operator<(Z B){
if (y*B.x==B.y*x) return tie(u,v)<tie(B.u,B.v);
return y*B.x<B.y*x;
}
}S[2000001];
int n,C[2001];
void B(int N=1,int l=1,int r=n){
if (l==r){
ll v=max(P[l].v,0ll);
T[N]={v,v,P[l].v,v};
}else{
int M=(l+r) / 2;
B(N*2,l,M);
B(N*2+1,M+1,r);
T[N]=T[N*2]+T[N*2+1];
}
}
void U(int o,ll a,int N=1,int l=1,int r=n){
if (l==r) T[N]={max(a,0ll),max(a,0ll),a,max(a,0ll)};
else{
int M=(l+r) / 2;
if (o > M) U(o,a,N*2+1,M+1,r);
else U(o,a,N*2,l,M);
T[N]=T[N*2]+T[N*2+1];
}
}
int main(){
cin >> n;
FOR(i,1,n+1){
cin >> P[i].x >> P[i].y >> P[i].v;
C[i]=i;
}
sort(P+1,P+n+1);
int G=0;
FOR(i,1,n+1) FOR(j,i+1,n+1)
S[G++]={P[j].x - P[i].x,P[j].y - P[i].y,i,j};
sort(S,S+G);
B();
ll H=T[1].b;
FOR(i,0,G){
U(C[S[i].u],P[S[i].v].v);
U(C[S[i].v],P[S[i].u].v);
swap(C[S[i].u],C[S[i].v]);
if (i==G - 1) H=max(H,T[1].b);
else if (S[i].y*S[i+1].x != S[i+1].y*S[i].x) H=max(H,T[1].b);
}
cout << H;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
512 KB |
Output is correct |
2 |
Correct |
6 ms |
512 KB |
Output is correct |
3 |
Correct |
6 ms |
512 KB |
Output is correct |
4 |
Correct |
6 ms |
512 KB |
Output is correct |
5 |
Correct |
6 ms |
512 KB |
Output is correct |
6 |
Correct |
6 ms |
512 KB |
Output is correct |
7 |
Correct |
6 ms |
512 KB |
Output is correct |
8 |
Correct |
6 ms |
512 KB |
Output is correct |
9 |
Correct |
6 ms |
512 KB |
Output is correct |
10 |
Correct |
6 ms |
512 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
512 KB |
Output is correct |
2 |
Correct |
7 ms |
560 KB |
Output is correct |
3 |
Correct |
6 ms |
512 KB |
Output is correct |
4 |
Correct |
6 ms |
512 KB |
Output is correct |
5 |
Correct |
7 ms |
512 KB |
Output is correct |
6 |
Correct |
6 ms |
512 KB |
Output is correct |
7 |
Correct |
6 ms |
512 KB |
Output is correct |
8 |
Correct |
6 ms |
512 KB |
Output is correct |
9 |
Correct |
6 ms |
512 KB |
Output is correct |
10 |
Correct |
6 ms |
512 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
256 KB |
Output is correct |
21 |
Correct |
6 ms |
512 KB |
Output is correct |
22 |
Correct |
6 ms |
512 KB |
Output is correct |
23 |
Correct |
6 ms |
512 KB |
Output is correct |
24 |
Correct |
7 ms |
512 KB |
Output is correct |
25 |
Correct |
6 ms |
512 KB |
Output is correct |
26 |
Correct |
6 ms |
512 KB |
Output is correct |
27 |
Correct |
6 ms |
512 KB |
Output is correct |
28 |
Correct |
6 ms |
512 KB |
Output is correct |
29 |
Correct |
6 ms |
512 KB |
Output is correct |
30 |
Correct |
6 ms |
512 KB |
Output is correct |
31 |
Correct |
8 ms |
512 KB |
Output is correct |
32 |
Correct |
6 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
512 KB |
Output is correct |
2 |
Correct |
7 ms |
560 KB |
Output is correct |
3 |
Correct |
6 ms |
512 KB |
Output is correct |
4 |
Correct |
6 ms |
512 KB |
Output is correct |
5 |
Correct |
7 ms |
512 KB |
Output is correct |
6 |
Correct |
6 ms |
512 KB |
Output is correct |
7 |
Correct |
6 ms |
512 KB |
Output is correct |
8 |
Correct |
6 ms |
512 KB |
Output is correct |
9 |
Correct |
6 ms |
512 KB |
Output is correct |
10 |
Correct |
6 ms |
512 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
256 KB |
Output is correct |
21 |
Correct |
6 ms |
512 KB |
Output is correct |
22 |
Correct |
6 ms |
512 KB |
Output is correct |
23 |
Correct |
6 ms |
512 KB |
Output is correct |
24 |
Correct |
7 ms |
512 KB |
Output is correct |
25 |
Correct |
6 ms |
512 KB |
Output is correct |
26 |
Correct |
6 ms |
512 KB |
Output is correct |
27 |
Correct |
6 ms |
512 KB |
Output is correct |
28 |
Correct |
6 ms |
512 KB |
Output is correct |
29 |
Correct |
6 ms |
512 KB |
Output is correct |
30 |
Correct |
6 ms |
512 KB |
Output is correct |
31 |
Correct |
8 ms |
512 KB |
Output is correct |
32 |
Correct |
6 ms |
512 KB |
Output is correct |
33 |
Correct |
1040 ms |
47608 KB |
Output is correct |
34 |
Correct |
1025 ms |
47608 KB |
Output is correct |
35 |
Correct |
1029 ms |
47608 KB |
Output is correct |
36 |
Correct |
1025 ms |
47524 KB |
Output is correct |
37 |
Correct |
1044 ms |
47608 KB |
Output is correct |
38 |
Correct |
1028 ms |
47608 KB |
Output is correct |
39 |
Correct |
1031 ms |
47608 KB |
Output is correct |
40 |
Correct |
1028 ms |
47480 KB |
Output is correct |
41 |
Correct |
1032 ms |
47608 KB |
Output is correct |
42 |
Correct |
1072 ms |
47608 KB |
Output is correct |
43 |
Correct |
1055 ms |
47608 KB |
Output is correct |
44 |
Correct |
1064 ms |
47608 KB |
Output is correct |
45 |
Correct |
1053 ms |
47608 KB |
Output is correct |
46 |
Correct |
1034 ms |
47500 KB |
Output is correct |
47 |
Correct |
1029 ms |
47492 KB |
Output is correct |
48 |
Correct |
1000 ms |
47524 KB |
Output is correct |
49 |
Correct |
1026 ms |
47608 KB |
Output is correct |
50 |
Correct |
1016 ms |
47608 KB |
Output is correct |
51 |
Correct |
1010 ms |
47608 KB |
Output is correct |
52 |
Correct |
1022 ms |
47608 KB |
Output is correct |
53 |
Correct |
1004 ms |
47480 KB |
Output is correct |
54 |
Correct |
1008 ms |
47492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
512 KB |
Output is correct |
2 |
Correct |
7 ms |
560 KB |
Output is correct |
3 |
Correct |
6 ms |
512 KB |
Output is correct |
4 |
Correct |
6 ms |
512 KB |
Output is correct |
5 |
Correct |
7 ms |
512 KB |
Output is correct |
6 |
Correct |
6 ms |
512 KB |
Output is correct |
7 |
Correct |
6 ms |
512 KB |
Output is correct |
8 |
Correct |
6 ms |
512 KB |
Output is correct |
9 |
Correct |
6 ms |
512 KB |
Output is correct |
10 |
Correct |
6 ms |
512 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
4 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
256 KB |
Output is correct |
21 |
Correct |
6 ms |
512 KB |
Output is correct |
22 |
Correct |
6 ms |
512 KB |
Output is correct |
23 |
Correct |
6 ms |
512 KB |
Output is correct |
24 |
Correct |
7 ms |
512 KB |
Output is correct |
25 |
Correct |
6 ms |
512 KB |
Output is correct |
26 |
Correct |
6 ms |
512 KB |
Output is correct |
27 |
Correct |
6 ms |
512 KB |
Output is correct |
28 |
Correct |
6 ms |
512 KB |
Output is correct |
29 |
Correct |
6 ms |
512 KB |
Output is correct |
30 |
Correct |
6 ms |
512 KB |
Output is correct |
31 |
Correct |
8 ms |
512 KB |
Output is correct |
32 |
Correct |
6 ms |
512 KB |
Output is correct |
33 |
Correct |
1040 ms |
47608 KB |
Output is correct |
34 |
Correct |
1025 ms |
47608 KB |
Output is correct |
35 |
Correct |
1029 ms |
47608 KB |
Output is correct |
36 |
Correct |
1025 ms |
47524 KB |
Output is correct |
37 |
Correct |
1044 ms |
47608 KB |
Output is correct |
38 |
Correct |
1028 ms |
47608 KB |
Output is correct |
39 |
Correct |
1031 ms |
47608 KB |
Output is correct |
40 |
Correct |
1028 ms |
47480 KB |
Output is correct |
41 |
Correct |
1032 ms |
47608 KB |
Output is correct |
42 |
Correct |
1072 ms |
47608 KB |
Output is correct |
43 |
Correct |
1055 ms |
47608 KB |
Output is correct |
44 |
Correct |
1064 ms |
47608 KB |
Output is correct |
45 |
Correct |
1053 ms |
47608 KB |
Output is correct |
46 |
Correct |
1034 ms |
47500 KB |
Output is correct |
47 |
Correct |
1029 ms |
47492 KB |
Output is correct |
48 |
Correct |
1000 ms |
47524 KB |
Output is correct |
49 |
Correct |
1026 ms |
47608 KB |
Output is correct |
50 |
Correct |
1016 ms |
47608 KB |
Output is correct |
51 |
Correct |
1010 ms |
47608 KB |
Output is correct |
52 |
Correct |
1022 ms |
47608 KB |
Output is correct |
53 |
Correct |
1004 ms |
47480 KB |
Output is correct |
54 |
Correct |
1008 ms |
47492 KB |
Output is correct |
55 |
Correct |
1020 ms |
47584 KB |
Output is correct |
56 |
Correct |
1030 ms |
47496 KB |
Output is correct |
57 |
Correct |
1025 ms |
47612 KB |
Output is correct |
58 |
Correct |
1014 ms |
47480 KB |
Output is correct |
59 |
Correct |
1038 ms |
47492 KB |
Output is correct |
60 |
Correct |
1030 ms |
47496 KB |
Output is correct |
61 |
Correct |
1014 ms |
47496 KB |
Output is correct |
62 |
Correct |
1042 ms |
47492 KB |
Output is correct |
63 |
Correct |
1038 ms |
47608 KB |
Output is correct |
64 |
Correct |
1036 ms |
47508 KB |
Output is correct |
65 |
Correct |
1033 ms |
47608 KB |
Output is correct |
66 |
Correct |
1027 ms |
47588 KB |
Output is correct |
67 |
Correct |
1008 ms |
47496 KB |
Output is correct |
68 |
Correct |
1022 ms |
47480 KB |
Output is correct |
69 |
Correct |
1029 ms |
47608 KB |
Output is correct |
70 |
Correct |
1033 ms |
47584 KB |
Output is correct |
71 |
Correct |
1020 ms |
47608 KB |
Output is correct |
72 |
Correct |
1029 ms |
47480 KB |
Output is correct |
73 |
Correct |
1039 ms |
47496 KB |
Output is correct |
74 |
Correct |
1026 ms |
47496 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
512 KB |
Output is correct |
2 |
Correct |
6 ms |
512 KB |
Output is correct |
3 |
Correct |
6 ms |
512 KB |
Output is correct |
4 |
Correct |
6 ms |
512 KB |
Output is correct |
5 |
Correct |
6 ms |
512 KB |
Output is correct |
6 |
Correct |
6 ms |
512 KB |
Output is correct |
7 |
Correct |
6 ms |
512 KB |
Output is correct |
8 |
Correct |
6 ms |
512 KB |
Output is correct |
9 |
Correct |
6 ms |
512 KB |
Output is correct |
10 |
Correct |
6 ms |
512 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
7 ms |
512 KB |
Output is correct |
17 |
Correct |
7 ms |
560 KB |
Output is correct |
18 |
Correct |
6 ms |
512 KB |
Output is correct |
19 |
Correct |
6 ms |
512 KB |
Output is correct |
20 |
Correct |
7 ms |
512 KB |
Output is correct |
21 |
Correct |
6 ms |
512 KB |
Output is correct |
22 |
Correct |
6 ms |
512 KB |
Output is correct |
23 |
Correct |
6 ms |
512 KB |
Output is correct |
24 |
Correct |
6 ms |
512 KB |
Output is correct |
25 |
Correct |
6 ms |
512 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
5 ms |
384 KB |
Output is correct |
28 |
Correct |
4 ms |
384 KB |
Output is correct |
29 |
Correct |
4 ms |
384 KB |
Output is correct |
30 |
Correct |
5 ms |
384 KB |
Output is correct |
31 |
Correct |
5 ms |
384 KB |
Output is correct |
32 |
Correct |
5 ms |
384 KB |
Output is correct |
33 |
Correct |
4 ms |
384 KB |
Output is correct |
34 |
Correct |
5 ms |
384 KB |
Output is correct |
35 |
Correct |
4 ms |
256 KB |
Output is correct |
36 |
Correct |
6 ms |
512 KB |
Output is correct |
37 |
Correct |
6 ms |
512 KB |
Output is correct |
38 |
Correct |
6 ms |
512 KB |
Output is correct |
39 |
Correct |
7 ms |
512 KB |
Output is correct |
40 |
Correct |
6 ms |
512 KB |
Output is correct |
41 |
Correct |
6 ms |
512 KB |
Output is correct |
42 |
Correct |
6 ms |
512 KB |
Output is correct |
43 |
Correct |
6 ms |
512 KB |
Output is correct |
44 |
Correct |
6 ms |
512 KB |
Output is correct |
45 |
Correct |
6 ms |
512 KB |
Output is correct |
46 |
Correct |
8 ms |
512 KB |
Output is correct |
47 |
Correct |
6 ms |
512 KB |
Output is correct |
48 |
Correct |
1040 ms |
47608 KB |
Output is correct |
49 |
Correct |
1025 ms |
47608 KB |
Output is correct |
50 |
Correct |
1029 ms |
47608 KB |
Output is correct |
51 |
Correct |
1025 ms |
47524 KB |
Output is correct |
52 |
Correct |
1044 ms |
47608 KB |
Output is correct |
53 |
Correct |
1028 ms |
47608 KB |
Output is correct |
54 |
Correct |
1031 ms |
47608 KB |
Output is correct |
55 |
Correct |
1028 ms |
47480 KB |
Output is correct |
56 |
Correct |
1032 ms |
47608 KB |
Output is correct |
57 |
Correct |
1072 ms |
47608 KB |
Output is correct |
58 |
Correct |
1055 ms |
47608 KB |
Output is correct |
59 |
Correct |
1064 ms |
47608 KB |
Output is correct |
60 |
Correct |
1053 ms |
47608 KB |
Output is correct |
61 |
Correct |
1034 ms |
47500 KB |
Output is correct |
62 |
Correct |
1029 ms |
47492 KB |
Output is correct |
63 |
Correct |
1000 ms |
47524 KB |
Output is correct |
64 |
Correct |
1026 ms |
47608 KB |
Output is correct |
65 |
Correct |
1016 ms |
47608 KB |
Output is correct |
66 |
Correct |
1010 ms |
47608 KB |
Output is correct |
67 |
Correct |
1022 ms |
47608 KB |
Output is correct |
68 |
Correct |
1004 ms |
47480 KB |
Output is correct |
69 |
Correct |
1008 ms |
47492 KB |
Output is correct |
70 |
Correct |
1020 ms |
47584 KB |
Output is correct |
71 |
Correct |
1030 ms |
47496 KB |
Output is correct |
72 |
Correct |
1025 ms |
47612 KB |
Output is correct |
73 |
Correct |
1014 ms |
47480 KB |
Output is correct |
74 |
Correct |
1038 ms |
47492 KB |
Output is correct |
75 |
Correct |
1030 ms |
47496 KB |
Output is correct |
76 |
Correct |
1014 ms |
47496 KB |
Output is correct |
77 |
Correct |
1042 ms |
47492 KB |
Output is correct |
78 |
Correct |
1038 ms |
47608 KB |
Output is correct |
79 |
Correct |
1036 ms |
47508 KB |
Output is correct |
80 |
Correct |
1033 ms |
47608 KB |
Output is correct |
81 |
Correct |
1027 ms |
47588 KB |
Output is correct |
82 |
Correct |
1008 ms |
47496 KB |
Output is correct |
83 |
Correct |
1022 ms |
47480 KB |
Output is correct |
84 |
Correct |
1029 ms |
47608 KB |
Output is correct |
85 |
Correct |
1033 ms |
47584 KB |
Output is correct |
86 |
Correct |
1020 ms |
47608 KB |
Output is correct |
87 |
Correct |
1029 ms |
47480 KB |
Output is correct |
88 |
Correct |
1039 ms |
47496 KB |
Output is correct |
89 |
Correct |
1026 ms |
47496 KB |
Output is correct |
90 |
Correct |
1041 ms |
47496 KB |
Output is correct |
91 |
Correct |
1030 ms |
47608 KB |
Output is correct |
92 |
Correct |
1038 ms |
47496 KB |
Output is correct |
93 |
Correct |
1049 ms |
47612 KB |
Output is correct |
94 |
Correct |
1076 ms |
47500 KB |
Output is correct |
95 |
Correct |
1090 ms |
47504 KB |
Output is correct |
96 |
Correct |
1052 ms |
47496 KB |
Output is correct |
97 |
Correct |
1036 ms |
47496 KB |
Output is correct |
98 |
Correct |
1020 ms |
47492 KB |
Output is correct |
99 |
Correct |
1022 ms |
47612 KB |
Output is correct |
100 |
Correct |
827 ms |
47496 KB |
Output is correct |
101 |
Correct |
828 ms |
47492 KB |
Output is correct |
102 |
Correct |
815 ms |
47608 KB |
Output is correct |
103 |
Correct |
832 ms |
47608 KB |
Output is correct |
104 |
Correct |
813 ms |
47480 KB |
Output is correct |
105 |
Correct |
900 ms |
47504 KB |
Output is correct |
106 |
Correct |
873 ms |
47480 KB |
Output is correct |
107 |
Correct |
870 ms |
47480 KB |
Output is correct |
108 |
Correct |
872 ms |
47480 KB |
Output is correct |
109 |
Correct |
880 ms |
47616 KB |
Output is correct |
110 |
Correct |
919 ms |
47480 KB |
Output is correct |
111 |
Correct |
937 ms |
47608 KB |
Output is correct |
112 |
Correct |
962 ms |
47612 KB |
Output is correct |
113 |
Correct |
932 ms |
47480 KB |
Output is correct |
114 |
Correct |
931 ms |
47608 KB |
Output is correct |
115 |
Correct |
929 ms |
47608 KB |
Output is correct |
116 |
Correct |
974 ms |
47480 KB |
Output is correct |
117 |
Correct |
930 ms |
47496 KB |
Output is correct |
118 |
Correct |
960 ms |
47480 KB |
Output is correct |
119 |
Correct |
921 ms |
47496 KB |
Output is correct |
120 |
Correct |
4 ms |
384 KB |
Output is correct |
121 |
Correct |
5 ms |
384 KB |
Output is correct |
122 |
Correct |
1044 ms |
47608 KB |
Output is correct |
123 |
Correct |
1054 ms |
47492 KB |
Output is correct |
124 |
Correct |
1048 ms |
47480 KB |
Output is correct |
125 |
Correct |
1034 ms |
47492 KB |
Output is correct |
126 |
Correct |
1030 ms |
47608 KB |
Output is correct |
127 |
Correct |
1027 ms |
47496 KB |
Output is correct |
128 |
Correct |
1029 ms |
47480 KB |
Output is correct |
129 |
Correct |
1060 ms |
47612 KB |
Output is correct |
130 |
Correct |
1035 ms |
47496 KB |
Output is correct |
131 |
Correct |
1042 ms |
47496 KB |
Output is correct |
132 |
Correct |
1018 ms |
47608 KB |
Output is correct |
133 |
Correct |
1006 ms |
47496 KB |
Output is correct |