Submission #828006

# Submission time Handle Problem Language Result Execution time Memory
828006 2023-08-17T01:16:17 Z Username4132 Catfish Farm (IOI22_fish) C++17
100 / 100
128 ms 27228 KB
#include "fish.h"

#include<iostream>
#include<vector>
#include<set>
#include<algorithm>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
#define forn(i, n) for(int i=0; i<(int)n; ++i)
#define forsn(i, s, n) for(int i=s; i<(int)n; ++i)
#define dforn(i, n) for(int i=(int)n-1; i>=0; --i)
#define dforsn(i, s, n) for(int i=(int)n-1; i>=s; --i)
#define PB push_back
#define F first
#define S second

int n, m;
vector<pii> pts[300010];
ll bd[100010], bu[100010];

void update(int r, ll value, ll* bit){
  for(; r<n+1; r=r|(r+1)) bit[r]=max(bit[r], value);
}

ll query(int r, ll* bit, ll base=0){
  ll ret = base;
  for(; r>=0; r=(r&(r+1))-1) ret=max(ret, bit[r]);
  return ret;
}

ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
  n=N, m=M;
  forn(i, m) pts[X[i]].PB({Y[i], W[i]});
  forn(i, n) sort(pts[i].begin(), pts[i].end());
  forn(i, n+1) bd[i]=-1000000000000000000;

  ll mx=0;
  forn(i, n){
    mx = max(mx, query(n, bu));
    ll emp = max(query(n, bd), query(n, bu));
    for(pii el:pts[i]){
      ll a = query(el.F - 1, bu), b = query(n, bd, -1000000000000000000);
      update(el.F, max(a, b) + el.S, bu);
    }
    dforn(ind, pts[i].size()){
      pii el = pts[i][ind];
      ll a = query(n - el.F - 1, bd, -1000000000000000000);
      update(n - el.F, a + el.S, bd);
    }
    update(0, emp, bd);
  }
  return max(mx, query(n, bd));
}
# Verdict Execution time Memory Grader output
1 Correct 37 ms 11364 KB Output is correct
2 Correct 43 ms 12104 KB Output is correct
3 Correct 8 ms 8168 KB Output is correct
4 Correct 9 ms 8020 KB Output is correct
5 Correct 115 ms 18656 KB Output is correct
6 Correct 120 ms 20224 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 64 ms 13896 KB Output is correct
3 Correct 76 ms 15292 KB Output is correct
4 Correct 36 ms 11364 KB Output is correct
5 Correct 42 ms 12172 KB Output is correct
6 Correct 3 ms 7268 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 3 ms 7252 KB Output is correct
9 Correct 3 ms 7252 KB Output is correct
10 Correct 9 ms 8164 KB Output is correct
11 Correct 8 ms 8020 KB Output is correct
12 Correct 36 ms 11464 KB Output is correct
13 Correct 42 ms 12108 KB Output is correct
14 Correct 36 ms 11456 KB Output is correct
15 Correct 39 ms 11564 KB Output is correct
16 Correct 36 ms 11512 KB Output is correct
17 Correct 39 ms 11848 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 8148 KB Output is correct
2 Correct 8 ms 8132 KB Output is correct
3 Correct 27 ms 10940 KB Output is correct
4 Correct 21 ms 10744 KB Output is correct
5 Correct 44 ms 15288 KB Output is correct
6 Correct 37 ms 14548 KB Output is correct
7 Correct 43 ms 15180 KB Output is correct
8 Correct 42 ms 15104 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 3 ms 7252 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 3 ms 7252 KB Output is correct
6 Correct 3 ms 7252 KB Output is correct
7 Correct 3 ms 7352 KB Output is correct
8 Correct 3 ms 7356 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 4 ms 7360 KB Output is correct
12 Correct 4 ms 7388 KB Output is correct
13 Correct 4 ms 7360 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 3 ms 7252 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 3 ms 7252 KB Output is correct
6 Correct 3 ms 7252 KB Output is correct
7 Correct 3 ms 7352 KB Output is correct
8 Correct 3 ms 7356 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 4 ms 7360 KB Output is correct
12 Correct 4 ms 7388 KB Output is correct
13 Correct 4 ms 7360 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 4 ms 7380 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 17 ms 9684 KB Output is correct
18 Correct 16 ms 9940 KB Output is correct
19 Correct 18 ms 9792 KB Output is correct
20 Correct 16 ms 9800 KB Output is correct
21 Correct 16 ms 9780 KB Output is correct
22 Correct 30 ms 12368 KB Output is correct
23 Correct 6 ms 7764 KB Output is correct
24 Correct 17 ms 8976 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 7 ms 7820 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 7252 KB Output is correct
2 Correct 3 ms 7252 KB Output is correct
3 Correct 3 ms 7252 KB Output is correct
4 Correct 3 ms 7252 KB Output is correct
5 Correct 3 ms 7252 KB Output is correct
6 Correct 3 ms 7252 KB Output is correct
7 Correct 3 ms 7352 KB Output is correct
8 Correct 3 ms 7356 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 4 ms 7360 KB Output is correct
12 Correct 4 ms 7388 KB Output is correct
13 Correct 4 ms 7360 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 4 ms 7380 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 17 ms 9684 KB Output is correct
18 Correct 16 ms 9940 KB Output is correct
19 Correct 18 ms 9792 KB Output is correct
20 Correct 16 ms 9800 KB Output is correct
21 Correct 16 ms 9780 KB Output is correct
22 Correct 30 ms 12368 KB Output is correct
23 Correct 6 ms 7764 KB Output is correct
24 Correct 17 ms 8976 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct
26 Correct 7 ms 7820 KB Output is correct
27 Correct 4 ms 7508 KB Output is correct
28 Correct 69 ms 19348 KB Output is correct
29 Correct 99 ms 23772 KB Output is correct
30 Correct 104 ms 23360 KB Output is correct
31 Correct 102 ms 23404 KB Output is correct
32 Correct 92 ms 24404 KB Output is correct
33 Correct 99 ms 23444 KB Output is correct
34 Correct 100 ms 23396 KB Output is correct
35 Correct 40 ms 13692 KB Output is correct
36 Correct 97 ms 24268 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 8148 KB Output is correct
2 Correct 8 ms 8132 KB Output is correct
3 Correct 27 ms 10940 KB Output is correct
4 Correct 21 ms 10744 KB Output is correct
5 Correct 44 ms 15288 KB Output is correct
6 Correct 37 ms 14548 KB Output is correct
7 Correct 43 ms 15180 KB Output is correct
8 Correct 42 ms 15104 KB Output is correct
9 Correct 42 ms 15720 KB Output is correct
10 Correct 38 ms 13384 KB Output is correct
11 Correct 73 ms 19404 KB Output is correct
12 Correct 3 ms 7252 KB Output is correct
13 Correct 3 ms 7252 KB Output is correct
14 Correct 3 ms 7252 KB Output is correct
15 Correct 4 ms 7252 KB Output is correct
16 Correct 4 ms 7252 KB Output is correct
17 Correct 3 ms 7252 KB Output is correct
18 Correct 8 ms 8168 KB Output is correct
19 Correct 8 ms 8020 KB Output is correct
20 Correct 8 ms 8148 KB Output is correct
21 Correct 9 ms 8020 KB Output is correct
22 Correct 51 ms 15424 KB Output is correct
23 Correct 72 ms 19424 KB Output is correct
24 Correct 78 ms 19924 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 37 ms 11364 KB Output is correct
2 Correct 43 ms 12104 KB Output is correct
3 Correct 8 ms 8168 KB Output is correct
4 Correct 9 ms 8020 KB Output is correct
5 Correct 115 ms 18656 KB Output is correct
6 Correct 120 ms 20224 KB Output is correct
7 Correct 3 ms 7252 KB Output is correct
8 Correct 64 ms 13896 KB Output is correct
9 Correct 76 ms 15292 KB Output is correct
10 Correct 36 ms 11364 KB Output is correct
11 Correct 42 ms 12172 KB Output is correct
12 Correct 3 ms 7268 KB Output is correct
13 Correct 3 ms 7252 KB Output is correct
14 Correct 3 ms 7252 KB Output is correct
15 Correct 3 ms 7252 KB Output is correct
16 Correct 9 ms 8164 KB Output is correct
17 Correct 8 ms 8020 KB Output is correct
18 Correct 36 ms 11464 KB Output is correct
19 Correct 42 ms 12108 KB Output is correct
20 Correct 36 ms 11456 KB Output is correct
21 Correct 39 ms 11564 KB Output is correct
22 Correct 36 ms 11512 KB Output is correct
23 Correct 39 ms 11848 KB Output is correct
24 Correct 8 ms 8148 KB Output is correct
25 Correct 8 ms 8132 KB Output is correct
26 Correct 27 ms 10940 KB Output is correct
27 Correct 21 ms 10744 KB Output is correct
28 Correct 44 ms 15288 KB Output is correct
29 Correct 37 ms 14548 KB Output is correct
30 Correct 43 ms 15180 KB Output is correct
31 Correct 42 ms 15104 KB Output is correct
32 Correct 3 ms 7252 KB Output is correct
33 Correct 3 ms 7252 KB Output is correct
34 Correct 3 ms 7252 KB Output is correct
35 Correct 3 ms 7252 KB Output is correct
36 Correct 3 ms 7252 KB Output is correct
37 Correct 3 ms 7252 KB Output is correct
38 Correct 3 ms 7352 KB Output is correct
39 Correct 3 ms 7356 KB Output is correct
40 Correct 4 ms 7380 KB Output is correct
41 Correct 4 ms 7380 KB Output is correct
42 Correct 4 ms 7360 KB Output is correct
43 Correct 4 ms 7388 KB Output is correct
44 Correct 4 ms 7360 KB Output is correct
45 Correct 4 ms 7380 KB Output is correct
46 Correct 4 ms 7380 KB Output is correct
47 Correct 4 ms 7380 KB Output is correct
48 Correct 17 ms 9684 KB Output is correct
49 Correct 16 ms 9940 KB Output is correct
50 Correct 18 ms 9792 KB Output is correct
51 Correct 16 ms 9800 KB Output is correct
52 Correct 16 ms 9780 KB Output is correct
53 Correct 30 ms 12368 KB Output is correct
54 Correct 6 ms 7764 KB Output is correct
55 Correct 17 ms 8976 KB Output is correct
56 Correct 4 ms 7380 KB Output is correct
57 Correct 7 ms 7820 KB Output is correct
58 Correct 4 ms 7508 KB Output is correct
59 Correct 69 ms 19348 KB Output is correct
60 Correct 99 ms 23772 KB Output is correct
61 Correct 104 ms 23360 KB Output is correct
62 Correct 102 ms 23404 KB Output is correct
63 Correct 92 ms 24404 KB Output is correct
64 Correct 99 ms 23444 KB Output is correct
65 Correct 100 ms 23396 KB Output is correct
66 Correct 40 ms 13692 KB Output is correct
67 Correct 97 ms 24268 KB Output is correct
68 Correct 42 ms 15720 KB Output is correct
69 Correct 38 ms 13384 KB Output is correct
70 Correct 73 ms 19404 KB Output is correct
71 Correct 3 ms 7252 KB Output is correct
72 Correct 3 ms 7252 KB Output is correct
73 Correct 3 ms 7252 KB Output is correct
74 Correct 4 ms 7252 KB Output is correct
75 Correct 4 ms 7252 KB Output is correct
76 Correct 3 ms 7252 KB Output is correct
77 Correct 8 ms 8168 KB Output is correct
78 Correct 8 ms 8020 KB Output is correct
79 Correct 8 ms 8148 KB Output is correct
80 Correct 9 ms 8020 KB Output is correct
81 Correct 51 ms 15424 KB Output is correct
82 Correct 72 ms 19424 KB Output is correct
83 Correct 78 ms 19924 KB Output is correct
84 Correct 118 ms 24784 KB Output is correct
85 Correct 112 ms 24256 KB Output is correct
86 Correct 128 ms 26980 KB Output is correct
87 Correct 120 ms 27228 KB Output is correct
88 Correct 3 ms 7252 KB Output is correct
89 Correct 120 ms 27120 KB Output is correct
90 Correct 108 ms 24932 KB Output is correct
91 Correct 106 ms 24544 KB Output is correct