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Submission #629609

# Submission time Handle Problem Language Result Execution time Memory
629609 2022-08-14T18:03:16 Z jeff252 Catfish Farm (IOI22_fish) C++17
100 / 100
 259 ms 24892 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=3e5+10;
const int SS=1<<17;
const int INFi=2e9;
const ll INFl=1e13;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=1000696969;
const ll p=70032301;
const ull p2=913;
const int L=20;
vector<pair<int,int> > t[N];
struct tr{
    ll seg[(SS<<1)+10];
    void upd(int a,int b,ll x){
        for(a+=SS-1,b+=SS+1;(a>>1)!=(b>>1);a>>=1,b>>=1){
            if(!(a&1)) seg[a+1]=max(seg[a+1],x);
            if(b&1) seg[b-1]=max(seg[b-1],x);
        }
    }
    ll Query(int a){
        ll res=0;
        for(a+=SS;a>0;a>>=1) res=max(res,seg[a]);
        return res;
    }
};
tr dp1,dp2;
ll max_weights(int n,int m,vi x,vi y,vi w){
    for(int i=1;i<=(SS<<1);i++) dp1.seg[i]=0,dp2.seg[i]=0;
    for(int i=0;i<m;i++) t[x[i]+1].push_back({y[i]+1,w[i]});
    for(int i=1;i<=n;i++) sort(t[i].begin(),t[i].end());
    ll sum=0;
    for(int i=1;i<=n;i++){
        ll val=dp1.Query(n);
        dp1.upd(0,0,dp2.Query(1));
        int pop=0;
        for(auto [u,c]:t[i]){
            if(pop!=u-1) dp1.upd(pop+1,u-1,dp1.Query(pop));
            dp1.upd(u,u,dp1.Query(u-1)+(ll)c);
            pop=u;
            sum+=(ll)c;
        } 
        if(pop!=n) dp1.upd(pop+1,n,dp1.Query(pop));
        dp1.upd(0,n,val);
        pop=n+1;
        reverse(t[i].begin(),t[i].end());
        if(i==1) continue;
        for(auto [u,c]:t[i]){
            if(pop!=u+1) dp2.upd(u+1,pop-1,dp2.Query(pop));
            dp2.upd(u,u,dp2.Query(u+1)+(ll)c);
            pop=u;
        } 
        if(pop!=1) dp2.upd(1,pop-1,dp2.Query(pop));
        dp2.upd(1,n+1,val);
    }
    return dp2.Query(1);
}
/*int main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    int n,m;
    cin>>n>>m;
    vi x,y,w;
    for(int i=1;i<=m;i++){
        int a,b,c;
        cin>>a>>b>>c;
        x.push_back(a),y.push_back(b),w.push_back(c);
    } 
    cout<<max_weights(n,m,x,y,w)<<"\n";
}*/

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 14440 KB Output is correct
2 Correct 68 ms 14912 KB Output is correct
3 Correct 31 ms 11340 KB Output is correct
4 Correct 29 ms 11416 KB Output is correct
5 Correct 150 ms 21040 KB Output is correct
6 Correct 255 ms 22860 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 11348 KB Output is correct
2 Correct 91 ms 16848 KB Output is correct
3 Correct 106 ms 17976 KB Output is correct
4 Correct 56 ms 14412 KB Output is correct
5 Correct 69 ms 14912 KB Output is correct
6 Correct 6 ms 11348 KB Output is correct
7 Correct 5 ms 11348 KB Output is correct
8 Correct 5 ms 11348 KB Output is correct
9 Correct 5 ms 11348 KB Output is correct
10 Correct 29 ms 11448 KB Output is correct
11 Correct 28 ms 11348 KB Output is correct
12 Correct 60 ms 14448 KB Output is correct
13 Correct 68 ms 14840 KB Output is correct
14 Correct 59 ms 14184 KB Output is correct
15 Correct 66 ms 14560 KB Output is correct
16 Correct 59 ms 14332 KB Output is correct
17 Correct 65 ms 14548 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 11448 KB Output is correct
2 Correct 30 ms 11448 KB Output is correct
3 Correct 49 ms 14400 KB Output is correct
4 Correct 44 ms 13460 KB Output is correct
5 Correct 70 ms 16844 KB Output is correct
6 Correct 76 ms 16860 KB Output is correct
7 Correct 66 ms 16852 KB Output is correct
8 Correct 66 ms 16852 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11348 KB Output is correct
2 Correct 6 ms 11348 KB Output is correct
3 Correct 7 ms 11348 KB Output is correct
4 Correct 6 ms 11348 KB Output is correct
5 Correct 6 ms 11348 KB Output is correct
6 Correct 6 ms 11348 KB Output is correct
7 Correct 6 ms 11348 KB Output is correct
8 Correct 6 ms 11448 KB Output is correct
9 Correct 6 ms 11376 KB Output is correct
10 Correct 6 ms 11476 KB Output is correct
11 Correct 7 ms 11476 KB Output is correct
12 Correct 7 ms 11476 KB Output is correct
13 Correct 6 ms 11348 KB Output is correct
14 Correct 6 ms 11376 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11348 KB Output is correct
2 Correct 6 ms 11348 KB Output is correct
3 Correct 7 ms 11348 KB Output is correct
4 Correct 6 ms 11348 KB Output is correct
5 Correct 6 ms 11348 KB Output is correct
6 Correct 6 ms 11348 KB Output is correct
7 Correct 6 ms 11348 KB Output is correct
8 Correct 6 ms 11448 KB Output is correct
9 Correct 6 ms 11376 KB Output is correct
10 Correct 6 ms 11476 KB Output is correct
11 Correct 7 ms 11476 KB Output is correct
12 Correct 7 ms 11476 KB Output is correct
13 Correct 6 ms 11348 KB Output is correct
14 Correct 6 ms 11376 KB Output is correct
15 Correct 6 ms 11348 KB Output is correct
16 Correct 7 ms 11532 KB Output is correct
17 Correct 23 ms 13012 KB Output is correct
18 Correct 22 ms 13260 KB Output is correct
19 Correct 23 ms 13140 KB Output is correct
20 Correct 22 ms 13140 KB Output is correct
21 Correct 22 ms 13136 KB Output is correct
22 Correct 37 ms 14836 KB Output is correct
23 Correct 10 ms 11724 KB Output is correct
24 Correct 20 ms 12508 KB Output is correct
25 Correct 6 ms 11480 KB Output is correct
26 Correct 9 ms 11776 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11348 KB Output is correct
2 Correct 6 ms 11348 KB Output is correct
3 Correct 7 ms 11348 KB Output is correct
4 Correct 6 ms 11348 KB Output is correct
5 Correct 6 ms 11348 KB Output is correct
6 Correct 6 ms 11348 KB Output is correct
7 Correct 6 ms 11348 KB Output is correct
8 Correct 6 ms 11448 KB Output is correct
9 Correct 6 ms 11376 KB Output is correct
10 Correct 6 ms 11476 KB Output is correct
11 Correct 7 ms 11476 KB Output is correct
12 Correct 7 ms 11476 KB Output is correct
13 Correct 6 ms 11348 KB Output is correct
14 Correct 6 ms 11376 KB Output is correct
15 Correct 6 ms 11348 KB Output is correct
16 Correct 7 ms 11532 KB Output is correct
17 Correct 23 ms 13012 KB Output is correct
18 Correct 22 ms 13260 KB Output is correct
19 Correct 23 ms 13140 KB Output is correct
20 Correct 22 ms 13140 KB Output is correct
21 Correct 22 ms 13136 KB Output is correct
22 Correct 37 ms 14836 KB Output is correct
23 Correct 10 ms 11724 KB Output is correct
24 Correct 20 ms 12508 KB Output is correct
25 Correct 6 ms 11480 KB Output is correct
26 Correct 9 ms 11776 KB Output is correct
27 Correct 8 ms 11532 KB Output is correct
28 Correct 83 ms 19724 KB Output is correct
29 Correct 120 ms 22348 KB Output is correct
30 Correct 144 ms 21872 KB Output is correct
31 Correct 146 ms 21884 KB Output is correct
32 Correct 108 ms 23280 KB Output is correct
33 Correct 149 ms 22000 KB Output is correct
34 Correct 148 ms 21868 KB Output is correct
35 Correct 52 ms 15644 KB Output is correct
36 Correct 132 ms 22732 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 11448 KB Output is correct
2 Correct 30 ms 11448 KB Output is correct
3 Correct 49 ms 14400 KB Output is correct
4 Correct 44 ms 13460 KB Output is correct
5 Correct 70 ms 16844 KB Output is correct
6 Correct 76 ms 16860 KB Output is correct
7 Correct 66 ms 16852 KB Output is correct
8 Correct 66 ms 16852 KB Output is correct
9 Correct 87 ms 16840 KB Output is correct
10 Correct 56 ms 15296 KB Output is correct
11 Correct 105 ms 19188 KB Output is correct
12 Correct 6 ms 11348 KB Output is correct
13 Correct 6 ms 11348 KB Output is correct
14 Correct 6 ms 11412 KB Output is correct
15 Correct 5 ms 11348 KB Output is correct
16 Correct 5 ms 11432 KB Output is correct
17 Correct 6 ms 11344 KB Output is correct
18 Correct 30 ms 11348 KB Output is correct
19 Correct 30 ms 11348 KB Output is correct
20 Correct 29 ms 11348 KB Output is correct
21 Correct 36 ms 11424 KB Output is correct
22 Correct 109 ms 15876 KB Output is correct
23 Correct 118 ms 19300 KB Output is correct
24 Correct 123 ms 19276 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 14440 KB Output is correct
2 Correct 68 ms 14912 KB Output is correct
3 Correct 31 ms 11340 KB Output is correct
4 Correct 29 ms 11416 KB Output is correct
5 Correct 150 ms 21040 KB Output is correct
6 Correct 255 ms 22860 KB Output is correct
7 Correct 5 ms 11348 KB Output is correct
8 Correct 91 ms 16848 KB Output is correct
9 Correct 106 ms 17976 KB Output is correct
10 Correct 56 ms 14412 KB Output is correct
11 Correct 69 ms 14912 KB Output is correct
12 Correct 6 ms 11348 KB Output is correct
13 Correct 5 ms 11348 KB Output is correct
14 Correct 5 ms 11348 KB Output is correct
15 Correct 5 ms 11348 KB Output is correct
16 Correct 29 ms 11448 KB Output is correct
17 Correct 28 ms 11348 KB Output is correct
18 Correct 60 ms 14448 KB Output is correct
19 Correct 68 ms 14840 KB Output is correct
20 Correct 59 ms 14184 KB Output is correct
21 Correct 66 ms 14560 KB Output is correct
22 Correct 59 ms 14332 KB Output is correct
23 Correct 65 ms 14548 KB Output is correct
24 Correct 29 ms 11448 KB Output is correct
25 Correct 30 ms 11448 KB Output is correct
26 Correct 49 ms 14400 KB Output is correct
27 Correct 44 ms 13460 KB Output is correct
28 Correct 70 ms 16844 KB Output is correct
29 Correct 76 ms 16860 KB Output is correct
30 Correct 66 ms 16852 KB Output is correct
31 Correct 66 ms 16852 KB Output is correct
32 Correct 7 ms 11348 KB Output is correct
33 Correct 6 ms 11348 KB Output is correct
34 Correct 7 ms 11348 KB Output is correct
35 Correct 6 ms 11348 KB Output is correct
36 Correct 6 ms 11348 KB Output is correct
37 Correct 6 ms 11348 KB Output is correct
38 Correct 6 ms 11348 KB Output is correct
39 Correct 6 ms 11448 KB Output is correct
40 Correct 6 ms 11376 KB Output is correct
41 Correct 6 ms 11476 KB Output is correct
42 Correct 7 ms 11476 KB Output is correct
43 Correct 7 ms 11476 KB Output is correct
44 Correct 6 ms 11348 KB Output is correct
45 Correct 6 ms 11376 KB Output is correct
46 Correct 6 ms 11348 KB Output is correct
47 Correct 7 ms 11532 KB Output is correct
48 Correct 23 ms 13012 KB Output is correct
49 Correct 22 ms 13260 KB Output is correct
50 Correct 23 ms 13140 KB Output is correct
51 Correct 22 ms 13140 KB Output is correct
52 Correct 22 ms 13136 KB Output is correct
53 Correct 37 ms 14836 KB Output is correct
54 Correct 10 ms 11724 KB Output is correct
55 Correct 20 ms 12508 KB Output is correct
56 Correct 6 ms 11480 KB Output is correct
57 Correct 9 ms 11776 KB Output is correct
58 Correct 8 ms 11532 KB Output is correct
59 Correct 83 ms 19724 KB Output is correct
60 Correct 120 ms 22348 KB Output is correct
61 Correct 144 ms 21872 KB Output is correct
62 Correct 146 ms 21884 KB Output is correct
63 Correct 108 ms 23280 KB Output is correct
64 Correct 149 ms 22000 KB Output is correct
65 Correct 148 ms 21868 KB Output is correct
66 Correct 52 ms 15644 KB Output is correct
67 Correct 132 ms 22732 KB Output is correct
68 Correct 87 ms 16840 KB Output is correct
69 Correct 56 ms 15296 KB Output is correct
70 Correct 105 ms 19188 KB Output is correct
71 Correct 6 ms 11348 KB Output is correct
72 Correct 6 ms 11348 KB Output is correct
73 Correct 6 ms 11412 KB Output is correct
74 Correct 5 ms 11348 KB Output is correct
75 Correct 5 ms 11432 KB Output is correct
76 Correct 6 ms 11344 KB Output is correct
77 Correct 30 ms 11348 KB Output is correct
78 Correct 30 ms 11348 KB Output is correct
79 Correct 29 ms 11348 KB Output is correct
80 Correct 36 ms 11424 KB Output is correct
81 Correct 109 ms 15876 KB Output is correct
82 Correct 118 ms 19300 KB Output is correct
83 Correct 123 ms 19276 KB Output is correct
84 Correct 168 ms 21620 KB Output is correct
85 Correct 171 ms 24072 KB Output is correct
86 Correct 239 ms 24448 KB Output is correct
87 Correct 248 ms 24140 KB Output is correct
88 Correct 6 ms 11452 KB Output is correct
89 Correct 259 ms 24892 KB Output is correct
90 Correct 154 ms 23224 KB Output is correct
91 Correct 146 ms 23120 KB Output is correct