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Submission #1062112

# Submission time Handle Problem Language Result Execution time Memory
1062112 2024-08-16T19:12:51 Z new_acc Catfish Farm (IOI22_fish) C++17
100 / 100
 185 ms 29792 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 41 ms 15828 KB Output is correct
2 Correct 46 ms 16852 KB Output is correct
3 Correct 19 ms 11412 KB Output is correct
4 Correct 27 ms 11356 KB Output is correct
5 Correct 114 ms 27432 KB Output is correct
6 Correct 180 ms 29636 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 11356 KB Output is correct
2 Correct 64 ms 19872 KB Output is correct
3 Correct 76 ms 21544 KB Output is correct
4 Correct 40 ms 15828 KB Output is correct
5 Correct 50 ms 16668 KB Output is correct
6 Correct 2 ms 11352 KB Output is correct
7 Correct 2 ms 11356 KB Output is correct
8 Correct 4 ms 11356 KB Output is correct
9 Correct 2 ms 11356 KB Output is correct
10 Correct 19 ms 11592 KB Output is correct
11 Correct 20 ms 11356 KB Output is correct
12 Correct 46 ms 16084 KB Output is correct
13 Correct 46 ms 16848 KB Output is correct
14 Correct 44 ms 15728 KB Output is correct
15 Correct 53 ms 16088 KB Output is correct
16 Correct 41 ms 15688 KB Output is correct
17 Correct 44 ms 16088 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 11352 KB Output is correct
2 Correct 20 ms 11356 KB Output is correct
3 Correct 34 ms 15448 KB Output is correct
4 Correct 29 ms 14172 KB Output is correct
5 Correct 47 ms 18676 KB Output is correct
6 Correct 51 ms 18008 KB Output is correct
7 Correct 57 ms 18608 KB Output is correct
8 Correct 51 ms 18520 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 11608 KB Output is correct
2 Correct 2 ms 11356 KB Output is correct
3 Correct 2 ms 11356 KB Output is correct
4 Correct 2 ms 11356 KB Output is correct
5 Correct 2 ms 11356 KB Output is correct
6 Correct 2 ms 11352 KB Output is correct
7 Correct 3 ms 11352 KB Output is correct
8 Correct 2 ms 11356 KB Output is correct
9 Correct 2 ms 11612 KB Output is correct
10 Correct 3 ms 11612 KB Output is correct
11 Correct 2 ms 11608 KB Output is correct
12 Correct 2 ms 11612 KB Output is correct
13 Correct 2 ms 11352 KB Output is correct
14 Correct 2 ms 11864 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 11608 KB Output is correct
2 Correct 2 ms 11356 KB Output is correct
3 Correct 2 ms 11356 KB Output is correct
4 Correct 2 ms 11356 KB Output is correct
5 Correct 2 ms 11356 KB Output is correct
6 Correct 2 ms 11352 KB Output is correct
7 Correct 3 ms 11352 KB Output is correct
8 Correct 2 ms 11356 KB Output is correct
9 Correct 2 ms 11612 KB Output is correct
10 Correct 3 ms 11612 KB Output is correct
11 Correct 2 ms 11608 KB Output is correct
12 Correct 2 ms 11612 KB Output is correct
13 Correct 2 ms 11352 KB Output is correct
14 Correct 2 ms 11864 KB Output is correct
15 Correct 3 ms 11356 KB Output is correct
16 Correct 3 ms 11612 KB Output is correct
17 Correct 14 ms 13916 KB Output is correct
18 Correct 14 ms 14172 KB Output is correct
19 Correct 13 ms 13916 KB Output is correct
20 Correct 13 ms 13916 KB Output is correct
21 Correct 14 ms 13968 KB Output is correct
22 Correct 24 ms 16552 KB Output is correct
23 Correct 5 ms 11864 KB Output is correct
24 Correct 11 ms 12956 KB Output is correct
25 Correct 3 ms 11608 KB Output is correct
26 Correct 4 ms 11868 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 11608 KB Output is correct
2 Correct 2 ms 11356 KB Output is correct
3 Correct 2 ms 11356 KB Output is correct
4 Correct 2 ms 11356 KB Output is correct
5 Correct 2 ms 11356 KB Output is correct
6 Correct 2 ms 11352 KB Output is correct
7 Correct 3 ms 11352 KB Output is correct
8 Correct 2 ms 11356 KB Output is correct
9 Correct 2 ms 11612 KB Output is correct
10 Correct 3 ms 11612 KB Output is correct
11 Correct 2 ms 11608 KB Output is correct
12 Correct 2 ms 11612 KB Output is correct
13 Correct 2 ms 11352 KB Output is correct
14 Correct 2 ms 11864 KB Output is correct
15 Correct 3 ms 11356 KB Output is correct
16 Correct 3 ms 11612 KB Output is correct
17 Correct 14 ms 13916 KB Output is correct
18 Correct 14 ms 14172 KB Output is correct
19 Correct 13 ms 13916 KB Output is correct
20 Correct 13 ms 13916 KB Output is correct
21 Correct 14 ms 13968 KB Output is correct
22 Correct 24 ms 16552 KB Output is correct
23 Correct 5 ms 11864 KB Output is correct
24 Correct 11 ms 12956 KB Output is correct
25 Correct 3 ms 11608 KB Output is correct
26 Correct 4 ms 11868 KB Output is correct
27 Correct 4 ms 11608 KB Output is correct
28 Correct 56 ms 23668 KB Output is correct
29 Correct 84 ms 27988 KB Output is correct
30 Correct 101 ms 27476 KB Output is correct
31 Correct 103 ms 27476 KB Output is correct
32 Correct 76 ms 28504 KB Output is correct
33 Correct 106 ms 27476 KB Output is correct
34 Correct 106 ms 27392 KB Output is correct
35 Correct 36 ms 17748 KB Output is correct
36 Correct 113 ms 28244 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 11352 KB Output is correct
2 Correct 20 ms 11356 KB Output is correct
3 Correct 34 ms 15448 KB Output is correct
4 Correct 29 ms 14172 KB Output is correct
5 Correct 47 ms 18676 KB Output is correct
6 Correct 51 ms 18008 KB Output is correct
7 Correct 57 ms 18608 KB Output is correct
8 Correct 51 ms 18520 KB Output is correct
9 Correct 66 ms 18344 KB Output is correct
10 Correct 36 ms 16980 KB Output is correct
11 Correct 70 ms 22896 KB Output is correct
12 Correct 2 ms 11356 KB Output is correct
13 Correct 2 ms 11356 KB Output is correct
14 Correct 2 ms 11356 KB Output is correct
15 Correct 2 ms 11356 KB Output is correct
16 Correct 2 ms 11456 KB Output is correct
17 Correct 2 ms 11356 KB Output is correct
18 Correct 19 ms 11584 KB Output is correct
19 Correct 20 ms 11356 KB Output is correct
20 Correct 20 ms 11356 KB Output is correct
21 Correct 19 ms 11352 KB Output is correct
22 Correct 75 ms 18136 KB Output is correct
23 Correct 74 ms 22868 KB Output is correct
24 Correct 95 ms 23388 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 15828 KB Output is correct
2 Correct 46 ms 16852 KB Output is correct
3 Correct 19 ms 11412 KB Output is correct
4 Correct 27 ms 11356 KB Output is correct
5 Correct 114 ms 27432 KB Output is correct
6 Correct 180 ms 29636 KB Output is correct
7 Correct 2 ms 11356 KB Output is correct
8 Correct 64 ms 19872 KB Output is correct
9 Correct 76 ms 21544 KB Output is correct
10 Correct 40 ms 15828 KB Output is correct
11 Correct 50 ms 16668 KB Output is correct
12 Correct 2 ms 11352 KB Output is correct
13 Correct 2 ms 11356 KB Output is correct
14 Correct 4 ms 11356 KB Output is correct
15 Correct 2 ms 11356 KB Output is correct
16 Correct 19 ms 11592 KB Output is correct
17 Correct 20 ms 11356 KB Output is correct
18 Correct 46 ms 16084 KB Output is correct
19 Correct 46 ms 16848 KB Output is correct
20 Correct 44 ms 15728 KB Output is correct
21 Correct 53 ms 16088 KB Output is correct
22 Correct 41 ms 15688 KB Output is correct
23 Correct 44 ms 16088 KB Output is correct
24 Correct 20 ms 11352 KB Output is correct
25 Correct 20 ms 11356 KB Output is correct
26 Correct 34 ms 15448 KB Output is correct
27 Correct 29 ms 14172 KB Output is correct
28 Correct 47 ms 18676 KB Output is correct
29 Correct 51 ms 18008 KB Output is correct
30 Correct 57 ms 18608 KB Output is correct
31 Correct 51 ms 18520 KB Output is correct
32 Correct 2 ms 11608 KB Output is correct
33 Correct 2 ms 11356 KB Output is correct
34 Correct 2 ms 11356 KB Output is correct
35 Correct 2 ms 11356 KB Output is correct
36 Correct 2 ms 11356 KB Output is correct
37 Correct 2 ms 11352 KB Output is correct
38 Correct 3 ms 11352 KB Output is correct
39 Correct 2 ms 11356 KB Output is correct
40 Correct 2 ms 11612 KB Output is correct
41 Correct 3 ms 11612 KB Output is correct
42 Correct 2 ms 11608 KB Output is correct
43 Correct 2 ms 11612 KB Output is correct
44 Correct 2 ms 11352 KB Output is correct
45 Correct 2 ms 11864 KB Output is correct
46 Correct 3 ms 11356 KB Output is correct
47 Correct 3 ms 11612 KB Output is correct
48 Correct 14 ms 13916 KB Output is correct
49 Correct 14 ms 14172 KB Output is correct
50 Correct 13 ms 13916 KB Output is correct
51 Correct 13 ms 13916 KB Output is correct
52 Correct 14 ms 13968 KB Output is correct
53 Correct 24 ms 16552 KB Output is correct
54 Correct 5 ms 11864 KB Output is correct
55 Correct 11 ms 12956 KB Output is correct
56 Correct 3 ms 11608 KB Output is correct
57 Correct 4 ms 11868 KB Output is correct
58 Correct 4 ms 11608 KB Output is correct
59 Correct 56 ms 23668 KB Output is correct
60 Correct 84 ms 27988 KB Output is correct
61 Correct 101 ms 27476 KB Output is correct
62 Correct 103 ms 27476 KB Output is correct
63 Correct 76 ms 28504 KB Output is correct
64 Correct 106 ms 27476 KB Output is correct
65 Correct 106 ms 27392 KB Output is correct
66 Correct 36 ms 17748 KB Output is correct
67 Correct 113 ms 28244 KB Output is correct
68 Correct 66 ms 18344 KB Output is correct
69 Correct 36 ms 16980 KB Output is correct
70 Correct 70 ms 22896 KB Output is correct
71 Correct 2 ms 11356 KB Output is correct
72 Correct 2 ms 11356 KB Output is correct
73 Correct 2 ms 11356 KB Output is correct
74 Correct 2 ms 11356 KB Output is correct
75 Correct 2 ms 11456 KB Output is correct
76 Correct 2 ms 11356 KB Output is correct
77 Correct 19 ms 11584 KB Output is correct
78 Correct 20 ms 11356 KB Output is correct
79 Correct 20 ms 11356 KB Output is correct
80 Correct 19 ms 11352 KB Output is correct
81 Correct 75 ms 18136 KB Output is correct
82 Correct 74 ms 22868 KB Output is correct
83 Correct 95 ms 23388 KB Output is correct
84 Correct 117 ms 27564 KB Output is correct
85 Correct 114 ms 26736 KB Output is correct
86 Correct 179 ms 29620 KB Output is correct
87 Correct 185 ms 29792 KB Output is correct
88 Correct 2 ms 11352 KB Output is correct
89 Correct 181 ms 29780 KB Output is correct
90 Correct 110 ms 28244 KB Output is correct
91 Correct 99 ms 27728 KB Output is correct