#include "fish.h"
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= l; --x)
typedef long long ll;
using namespace std;
const int N = 100'032;
struct fish {
int pos = 0;
int weight = 0;
ll dpu = 0;
ll dpd = 0;
fish() {}
fish(int x) : pos(x) {}
fish(int x, int w) : pos(x), weight(w) {}
bool operator<(const fish &f) const { return pos < f.pos; }
};
vector<fish> a[N];
fish &nxt_up(vector<fish> &vec, fish &cur) { return *upper_bound(vec.begin(), vec.end(), cur); }
fish &nxt_do(vector<fish> &vec, fish &cur) { return *--lower_bound(vec.begin(), vec.end(), cur); }
long long max_weights(int n, int m, std::vector<int> X, std::vector<int> Y,
std::vector<int> W) {
Loop (i,0,m)
a[X[i]].push_back(fish(Y[i], W[i]));
Loop (i,0,n) {
a[i].push_back(fish(-1));
a[i].push_back(fish(n));
sort(a[i].begin(), a[i].end());
}
LoopR (i,0,n) {
a[i].front().dpd = (i+1 < n? a[i+1].front().dpu: 0);
if (i+2 < n)
a[i].front().dpd = max(a[i].front().dpd, a[i+2].back().dpd);
Loop (j,1,a[i].size()) {
a[i][j].dpd = nxt_do(a[i], a[i][j]).dpd;
if (i+1 < n)
a[i][j].dpd = max(a[i][j].dpd, nxt_do(a[i+1], a[i][j]).dpd);
a[i][j].dpd += a[i][j].weight;
}
if (i == n-1)
continue;
a[i].back().dpu = (i+2 < n? a[i+2].back().dpd: 0);
LoopR (j,0,a[i].size()-1) {
a[i][j].dpu = nxt_up(a[i], a[i][j]).dpu;
if (i+1 < n)
a[i][j].dpu = max(a[i][j].dpu, nxt_up(a[i+1], a[i][j]).dpu);
a[i][j].dpu += a[i][j].weight;
}
}
return max(a[0].front().dpu, a[1].back().dpd);
}
Compilation message
fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:3:40: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<fish>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
3 | #define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
| ^
fish.cpp:40:3: note: in expansion of macro 'Loop'
40 | Loop (j,1,a[i].size()) {
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
47 ms |
13424 KB |
Output is correct |
2 |
Correct |
54 ms |
15312 KB |
Output is correct |
3 |
Correct |
11 ms |
8928 KB |
Output is correct |
4 |
Correct |
11 ms |
8800 KB |
Output is correct |
5 |
Correct |
137 ms |
29400 KB |
Output is correct |
6 |
Correct |
121 ms |
33484 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
86 ms |
18716 KB |
Output is correct |
3 |
Correct |
101 ms |
21800 KB |
Output is correct |
4 |
Correct |
43 ms |
13420 KB |
Output is correct |
5 |
Correct |
52 ms |
15304 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
1 ms |
2644 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2644 KB |
Output is correct |
10 |
Correct |
14 ms |
8860 KB |
Output is correct |
11 |
Correct |
11 ms |
8916 KB |
Output is correct |
12 |
Correct |
43 ms |
13400 KB |
Output is correct |
13 |
Correct |
52 ms |
15356 KB |
Output is correct |
14 |
Correct |
51 ms |
13492 KB |
Output is correct |
15 |
Correct |
53 ms |
14744 KB |
Output is correct |
16 |
Correct |
45 ms |
13480 KB |
Output is correct |
17 |
Correct |
51 ms |
14580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
8916 KB |
Output is correct |
2 |
Correct |
11 ms |
8916 KB |
Output is correct |
3 |
Correct |
28 ms |
13128 KB |
Output is correct |
4 |
Correct |
23 ms |
12236 KB |
Output is correct |
5 |
Correct |
46 ms |
18252 KB |
Output is correct |
6 |
Correct |
42 ms |
17584 KB |
Output is correct |
7 |
Correct |
46 ms |
18152 KB |
Output is correct |
8 |
Correct |
47 ms |
18140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2656 KB |
Output is correct |
4 |
Correct |
1 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2644 KB |
Output is correct |
8 |
Correct |
2 ms |
2652 KB |
Output is correct |
9 |
Correct |
2 ms |
2656 KB |
Output is correct |
10 |
Correct |
2 ms |
2772 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2772 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2656 KB |
Output is correct |
4 |
Correct |
1 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2644 KB |
Output is correct |
8 |
Correct |
2 ms |
2652 KB |
Output is correct |
9 |
Correct |
2 ms |
2656 KB |
Output is correct |
10 |
Correct |
2 ms |
2772 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2772 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2772 KB |
Output is correct |
17 |
Correct |
23 ms |
5820 KB |
Output is correct |
18 |
Correct |
21 ms |
6628 KB |
Output is correct |
19 |
Correct |
18 ms |
6500 KB |
Output is correct |
20 |
Correct |
16 ms |
6484 KB |
Output is correct |
21 |
Correct |
16 ms |
6372 KB |
Output is correct |
22 |
Correct |
36 ms |
9964 KB |
Output is correct |
23 |
Correct |
5 ms |
3376 KB |
Output is correct |
24 |
Correct |
14 ms |
4784 KB |
Output is correct |
25 |
Correct |
2 ms |
2680 KB |
Output is correct |
26 |
Correct |
5 ms |
3284 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2656 KB |
Output is correct |
4 |
Correct |
1 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2644 KB |
Output is correct |
8 |
Correct |
2 ms |
2652 KB |
Output is correct |
9 |
Correct |
2 ms |
2656 KB |
Output is correct |
10 |
Correct |
2 ms |
2772 KB |
Output is correct |
11 |
Correct |
2 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2772 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2772 KB |
Output is correct |
17 |
Correct |
23 ms |
5820 KB |
Output is correct |
18 |
Correct |
21 ms |
6628 KB |
Output is correct |
19 |
Correct |
18 ms |
6500 KB |
Output is correct |
20 |
Correct |
16 ms |
6484 KB |
Output is correct |
21 |
Correct |
16 ms |
6372 KB |
Output is correct |
22 |
Correct |
36 ms |
9964 KB |
Output is correct |
23 |
Correct |
5 ms |
3376 KB |
Output is correct |
24 |
Correct |
14 ms |
4784 KB |
Output is correct |
25 |
Correct |
2 ms |
2680 KB |
Output is correct |
26 |
Correct |
5 ms |
3284 KB |
Output is correct |
27 |
Correct |
2 ms |
3092 KB |
Output is correct |
28 |
Correct |
96 ms |
20044 KB |
Output is correct |
29 |
Correct |
130 ms |
26000 KB |
Output is correct |
30 |
Correct |
139 ms |
25300 KB |
Output is correct |
31 |
Correct |
123 ms |
25232 KB |
Output is correct |
32 |
Correct |
136 ms |
27012 KB |
Output is correct |
33 |
Correct |
126 ms |
25300 KB |
Output is correct |
34 |
Correct |
129 ms |
25360 KB |
Output is correct |
35 |
Correct |
54 ms |
12072 KB |
Output is correct |
36 |
Correct |
132 ms |
27536 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
11 ms |
8916 KB |
Output is correct |
2 |
Correct |
11 ms |
8916 KB |
Output is correct |
3 |
Correct |
28 ms |
13128 KB |
Output is correct |
4 |
Correct |
23 ms |
12236 KB |
Output is correct |
5 |
Correct |
46 ms |
18252 KB |
Output is correct |
6 |
Correct |
42 ms |
17584 KB |
Output is correct |
7 |
Correct |
46 ms |
18152 KB |
Output is correct |
8 |
Correct |
47 ms |
18140 KB |
Output is correct |
9 |
Correct |
42 ms |
17984 KB |
Output is correct |
10 |
Correct |
39 ms |
12812 KB |
Output is correct |
11 |
Correct |
76 ms |
23172 KB |
Output is correct |
12 |
Correct |
2 ms |
2652 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
2 ms |
2652 KB |
Output is correct |
18 |
Correct |
11 ms |
8916 KB |
Output is correct |
19 |
Correct |
11 ms |
8916 KB |
Output is correct |
20 |
Correct |
11 ms |
8916 KB |
Output is correct |
21 |
Correct |
11 ms |
8916 KB |
Output is correct |
22 |
Correct |
44 ms |
16972 KB |
Output is correct |
23 |
Correct |
79 ms |
23156 KB |
Output is correct |
24 |
Correct |
81 ms |
23636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
47 ms |
13424 KB |
Output is correct |
2 |
Correct |
54 ms |
15312 KB |
Output is correct |
3 |
Correct |
11 ms |
8928 KB |
Output is correct |
4 |
Correct |
11 ms |
8800 KB |
Output is correct |
5 |
Correct |
137 ms |
29400 KB |
Output is correct |
6 |
Correct |
121 ms |
33484 KB |
Output is correct |
7 |
Correct |
1 ms |
2644 KB |
Output is correct |
8 |
Correct |
86 ms |
18716 KB |
Output is correct |
9 |
Correct |
101 ms |
21800 KB |
Output is correct |
10 |
Correct |
43 ms |
13420 KB |
Output is correct |
11 |
Correct |
52 ms |
15304 KB |
Output is correct |
12 |
Correct |
1 ms |
2644 KB |
Output is correct |
13 |
Correct |
1 ms |
2644 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
14 ms |
8860 KB |
Output is correct |
17 |
Correct |
11 ms |
8916 KB |
Output is correct |
18 |
Correct |
43 ms |
13400 KB |
Output is correct |
19 |
Correct |
52 ms |
15356 KB |
Output is correct |
20 |
Correct |
51 ms |
13492 KB |
Output is correct |
21 |
Correct |
53 ms |
14744 KB |
Output is correct |
22 |
Correct |
45 ms |
13480 KB |
Output is correct |
23 |
Correct |
51 ms |
14580 KB |
Output is correct |
24 |
Correct |
11 ms |
8916 KB |
Output is correct |
25 |
Correct |
11 ms |
8916 KB |
Output is correct |
26 |
Correct |
28 ms |
13128 KB |
Output is correct |
27 |
Correct |
23 ms |
12236 KB |
Output is correct |
28 |
Correct |
46 ms |
18252 KB |
Output is correct |
29 |
Correct |
42 ms |
17584 KB |
Output is correct |
30 |
Correct |
46 ms |
18152 KB |
Output is correct |
31 |
Correct |
47 ms |
18140 KB |
Output is correct |
32 |
Correct |
2 ms |
2644 KB |
Output is correct |
33 |
Correct |
2 ms |
2644 KB |
Output is correct |
34 |
Correct |
1 ms |
2656 KB |
Output is correct |
35 |
Correct |
1 ms |
2644 KB |
Output is correct |
36 |
Correct |
1 ms |
2652 KB |
Output is correct |
37 |
Correct |
1 ms |
2652 KB |
Output is correct |
38 |
Correct |
1 ms |
2644 KB |
Output is correct |
39 |
Correct |
2 ms |
2652 KB |
Output is correct |
40 |
Correct |
2 ms |
2656 KB |
Output is correct |
41 |
Correct |
2 ms |
2772 KB |
Output is correct |
42 |
Correct |
2 ms |
2644 KB |
Output is correct |
43 |
Correct |
2 ms |
2772 KB |
Output is correct |
44 |
Correct |
2 ms |
2644 KB |
Output is correct |
45 |
Correct |
2 ms |
2644 KB |
Output is correct |
46 |
Correct |
2 ms |
2644 KB |
Output is correct |
47 |
Correct |
2 ms |
2772 KB |
Output is correct |
48 |
Correct |
23 ms |
5820 KB |
Output is correct |
49 |
Correct |
21 ms |
6628 KB |
Output is correct |
50 |
Correct |
18 ms |
6500 KB |
Output is correct |
51 |
Correct |
16 ms |
6484 KB |
Output is correct |
52 |
Correct |
16 ms |
6372 KB |
Output is correct |
53 |
Correct |
36 ms |
9964 KB |
Output is correct |
54 |
Correct |
5 ms |
3376 KB |
Output is correct |
55 |
Correct |
14 ms |
4784 KB |
Output is correct |
56 |
Correct |
2 ms |
2680 KB |
Output is correct |
57 |
Correct |
5 ms |
3284 KB |
Output is correct |
58 |
Correct |
2 ms |
3092 KB |
Output is correct |
59 |
Correct |
96 ms |
20044 KB |
Output is correct |
60 |
Correct |
130 ms |
26000 KB |
Output is correct |
61 |
Correct |
139 ms |
25300 KB |
Output is correct |
62 |
Correct |
123 ms |
25232 KB |
Output is correct |
63 |
Correct |
136 ms |
27012 KB |
Output is correct |
64 |
Correct |
126 ms |
25300 KB |
Output is correct |
65 |
Correct |
129 ms |
25360 KB |
Output is correct |
66 |
Correct |
54 ms |
12072 KB |
Output is correct |
67 |
Correct |
132 ms |
27536 KB |
Output is correct |
68 |
Correct |
42 ms |
17984 KB |
Output is correct |
69 |
Correct |
39 ms |
12812 KB |
Output is correct |
70 |
Correct |
76 ms |
23172 KB |
Output is correct |
71 |
Correct |
2 ms |
2652 KB |
Output is correct |
72 |
Correct |
2 ms |
2644 KB |
Output is correct |
73 |
Correct |
1 ms |
2644 KB |
Output is correct |
74 |
Correct |
1 ms |
2644 KB |
Output is correct |
75 |
Correct |
1 ms |
2652 KB |
Output is correct |
76 |
Correct |
2 ms |
2652 KB |
Output is correct |
77 |
Correct |
11 ms |
8916 KB |
Output is correct |
78 |
Correct |
11 ms |
8916 KB |
Output is correct |
79 |
Correct |
11 ms |
8916 KB |
Output is correct |
80 |
Correct |
11 ms |
8916 KB |
Output is correct |
81 |
Correct |
44 ms |
16972 KB |
Output is correct |
82 |
Correct |
79 ms |
23156 KB |
Output is correct |
83 |
Correct |
81 ms |
23636 KB |
Output is correct |
84 |
Correct |
154 ms |
28620 KB |
Output is correct |
85 |
Correct |
153 ms |
28752 KB |
Output is correct |
86 |
Correct |
136 ms |
33392 KB |
Output is correct |
87 |
Correct |
142 ms |
33932 KB |
Output is correct |
88 |
Correct |
2 ms |
2644 KB |
Output is correct |
89 |
Correct |
137 ms |
34044 KB |
Output is correct |
90 |
Correct |
130 ms |
31568 KB |
Output is correct |
91 |
Correct |
119 ms |
31876 KB |
Output is correct |