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답안 #991779

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
991779 2024-06-03T06:41:21 Z snpmrnhlol Team Contest (JOI22_team) C++17
100 / 100
 261 ms 19028 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 15e4;
const int inf = 2e9;
struct xyz{
    int x,y,z;
}v[N];
int p[N];
int pos[N];
int n;
int ans = -1;
set <int> instances;
set <int> good;
struct nod{
    int mxy,mxz;
}seg[4*N];
nod operator+(nod a,nod b){
    return {max(a.mxy,b.mxy),max(a.mxz,b.mxz)};
}
void upd(int pos, int y, int z, int l = 0, int r = n - 1, int node = 1){
    if(l == r){
        seg[node].mxy = y;
        seg[node].mxz = z;
    }else{
        int mij = (l + r)/2;
        if(pos <= mij){
            upd(pos, y, z, l, mij, node*2);
        }else{
            upd(pos, y, z, mij + 1, r, node*2 + 1);
        }
        seg[node] = seg[node*2] + seg[node*2 + 1];
    }
}
nod get2(int ql,int qr,int l = 0,int r = n - 1,int node = 1){
    //cout<<seg[node].mxy<<' '<<seg[node].mxz<<' '<<ql<<' '<<qr<<' '<<l<<' '<<r<<' '<<node<<"????\n";
    if(ql <= l && r <= qr){
        return seg[node];
    }else{
        int mij = (l + r)/2;
        if(qr <= mij){
            return get2(ql,qr,l,mij,node*2);
        }else if(mij + 1 <= ql){
            return get2(ql,qr,mij + 1,r,node*2 + 1);
        }else{
            return get2(ql,qr,l,mij,node*2) + get2(ql,qr,mij + 1,r,node*2 + 1);
        }
    }
}
void del(int x){
    int id = pos[x];
    if(instances.find(id) != instances.end()){
        upd(id, -inf, -inf);
        instances.erase(id);
    }
}
nod get(){
    while(!instances.empty()){
        auto id = *instances.rbegin();
        nod x = get2(0,id);
        if(x.mxy > v[p[id]].y || x.mxz > v[p[id]].z)break;
        instances.erase(prev(instances.end()));
    }
    if(instances.empty())return {-inf,-inf};
    nod p = get2(0,*instances.rbegin());
    return p;
}
int main(){
    cin>>n;
    for(int i = 0;i < n;i++){
        cin>>v[i].x>>v[i].y>>v[i].z;
        p[i] = i;
    }
    sort(v,v + n,[&](xyz a,xyz b){
         return a.x < b.x;
    });
    sort(p,p + n,[&](int a,int b){
         if(v[a].y == v[b].y)return v[a].z < v[b].z;
         return v[a].y < v[b].y;
    });
    for(int i = 0;i < n;i++){
        //cout<<v[p[i]].y<<' '<<v[p[i]].z<<'\n';
        pos[p[i]] = i;
        instances.insert(i);
        upd(i, v[p[i]].y, v[p[i]].z);
    }
    int pt = n - 1;
    for(int i = n - 1;i >= 0;i--){
        while(pt >= 0 && v[pt].x >= v[i].x){
            del(pt);
            pt--;
        }
        nod f = get();
        if(f.mxy > v[i].y && f.mxz > v[i].z){
            ans = max(ans,f.mxy + f.mxz + v[i].x);
        }
    }
    cout<<ans;
    return 0;
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct

Subtask #2
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 6 ms 2652 KB Output is correct
27 Correct 6 ms 2652 KB Output is correct
28 Correct 6 ms 2652 KB Output is correct
29 Correct 6 ms 2652 KB Output is correct
30 Correct 3 ms 2652 KB Output is correct
31 Correct 4 ms 2652 KB Output is correct
32 Correct 4 ms 2652 KB Output is correct
33 Correct 5 ms 2652 KB Output is correct
34 Correct 5 ms 2796 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 3 ms 2652 KB Output is correct
38 Correct 4 ms 2804 KB Output is correct
39 Correct 2 ms 2396 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 165 ms 15840 KB Output is correct
12 Correct 96 ms 10528 KB Output is correct
13 Correct 87 ms 12116 KB Output is correct
14 Correct 144 ms 15972 KB Output is correct
15 Correct 124 ms 15956 KB Output is correct
16 Correct 112 ms 15952 KB Output is correct

Subtask #4
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 165 ms 15840 KB Output is correct
12 Correct 96 ms 10528 KB Output is correct
13 Correct 87 ms 12116 KB Output is correct
14 Correct 144 ms 15972 KB Output is correct
15 Correct 124 ms 15956 KB Output is correct
16 Correct 112 ms 15952 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2496 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 2 ms 2512 KB Output is correct
22 Correct 199 ms 16232 KB Output is correct
23 Correct 163 ms 15696 KB Output is correct
24 Correct 114 ms 11600 KB Output is correct
25 Correct 189 ms 16424 KB Output is correct
26 Correct 129 ms 16040 KB Output is correct

Subtask #5
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 165 ms 15840 KB Output is correct
12 Correct 96 ms 10528 KB Output is correct
13 Correct 87 ms 12116 KB Output is correct
14 Correct 144 ms 15972 KB Output is correct
15 Correct 124 ms 15956 KB Output is correct
16 Correct 112 ms 15952 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2496 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 2 ms 2512 KB Output is correct
22 Correct 199 ms 16232 KB Output is correct
23 Correct 163 ms 15696 KB Output is correct
24 Correct 114 ms 11600 KB Output is correct
25 Correct 189 ms 16424 KB Output is correct
26 Correct 129 ms 16040 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 4 ms 2652 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 210 ms 16196 KB Output is correct
35 Correct 172 ms 15448 KB Output is correct
36 Correct 193 ms 16564 KB Output is correct
37 Correct 181 ms 16688 KB Output is correct
38 Correct 152 ms 16212 KB Output is correct
39 Correct 78 ms 10524 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 165 ms 15840 KB Output is correct
12 Correct 96 ms 10528 KB Output is correct
13 Correct 87 ms 12116 KB Output is correct
14 Correct 144 ms 15972 KB Output is correct
15 Correct 124 ms 15956 KB Output is correct
16 Correct 112 ms 15952 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2496 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 2 ms 2512 KB Output is correct
22 Correct 199 ms 16232 KB Output is correct
23 Correct 163 ms 15696 KB Output is correct
24 Correct 114 ms 11600 KB Output is correct
25 Correct 189 ms 16424 KB Output is correct
26 Correct 129 ms 16040 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 4 ms 2652 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 210 ms 16196 KB Output is correct
35 Correct 172 ms 15448 KB Output is correct
36 Correct 193 ms 16564 KB Output is correct
37 Correct 181 ms 16688 KB Output is correct
38 Correct 152 ms 16212 KB Output is correct
39 Correct 78 ms 10524 KB Output is correct
40 Correct 3 ms 2652 KB Output is correct
41 Correct 4 ms 2652 KB Output is correct
42 Correct 3 ms 2652 KB Output is correct
43 Correct 3 ms 2652 KB Output is correct
44 Correct 221 ms 17056 KB Output is correct
45 Correct 220 ms 16984 KB Output is correct
46 Correct 199 ms 17064 KB Output is correct
47 Correct 191 ms 17236 KB Output is correct
48 Correct 162 ms 16980 KB Output is correct

Subtask #7
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 6 ms 2652 KB Output is correct
27 Correct 6 ms 2652 KB Output is correct
28 Correct 6 ms 2652 KB Output is correct
29 Correct 6 ms 2652 KB Output is correct
30 Correct 3 ms 2652 KB Output is correct
31 Correct 4 ms 2652 KB Output is correct
32 Correct 4 ms 2652 KB Output is correct
33 Correct 5 ms 2652 KB Output is correct
34 Correct 5 ms 2796 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 3 ms 2652 KB Output is correct
38 Correct 4 ms 2804 KB Output is correct
39 Correct 2 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2392 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 0 ms 2396 KB Output is correct
46 Correct 0 ms 2396 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 165 ms 15840 KB Output is correct
51 Correct 96 ms 10528 KB Output is correct
52 Correct 87 ms 12116 KB Output is correct
53 Correct 144 ms 15972 KB Output is correct
54 Correct 124 ms 15956 KB Output is correct
55 Correct 112 ms 15952 KB Output is correct
56 Correct 0 ms 2396 KB Output is correct
57 Correct 0 ms 2496 KB Output is correct
58 Correct 0 ms 2396 KB Output is correct
59 Correct 1 ms 2396 KB Output is correct
60 Correct 2 ms 2512 KB Output is correct
61 Correct 199 ms 16232 KB Output is correct
62 Correct 163 ms 15696 KB Output is correct
63 Correct 114 ms 11600 KB Output is correct
64 Correct 189 ms 16424 KB Output is correct
65 Correct 129 ms 16040 KB Output is correct
66 Correct 1 ms 2396 KB Output is correct
67 Correct 1 ms 2396 KB Output is correct
68 Correct 1 ms 2396 KB Output is correct
69 Correct 0 ms 2396 KB Output is correct
70 Correct 4 ms 2652 KB Output is correct
71 Correct 2 ms 2396 KB Output is correct
72 Correct 1 ms 2396 KB Output is correct
73 Correct 210 ms 16196 KB Output is correct
74 Correct 172 ms 15448 KB Output is correct
75 Correct 193 ms 16564 KB Output is correct
76 Correct 181 ms 16688 KB Output is correct
77 Correct 152 ms 16212 KB Output is correct
78 Correct 78 ms 10524 KB Output is correct
79 Correct 3 ms 2652 KB Output is correct
80 Correct 4 ms 2652 KB Output is correct
81 Correct 3 ms 2652 KB Output is correct
82 Correct 3 ms 2652 KB Output is correct
83 Correct 221 ms 17056 KB Output is correct
84 Correct 220 ms 16984 KB Output is correct
85 Correct 199 ms 17064 KB Output is correct
86 Correct 191 ms 17236 KB Output is correct
87 Correct 162 ms 16980 KB Output is correct
88 Correct 249 ms 18772 KB Output is correct
89 Correct 242 ms 18964 KB Output is correct
90 Correct 261 ms 18892 KB Output is correct
91 Correct 222 ms 18924 KB Output is correct
92 Correct 212 ms 17488 KB Output is correct
93 Correct 208 ms 17844 KB Output is correct
94 Correct 227 ms 17492 KB Output is correct
95 Correct 202 ms 18680 KB Output is correct
96 Correct 170 ms 18772 KB Output is correct
97 Correct 177 ms 19028 KB Output is correct
98 Correct 131 ms 17492 KB Output is correct
99 Correct 151 ms 17492 KB Output is correct