oj.uz

Submission #1033720

# Submission time Handle Problem Language Result Execution time Memory
1033720 2024-07-25T04:23:26 Z hotboy2703 Fountain Parks (IOI21_parks) C++17
30 / 100
 502 ms 30044 KB 
#include "parks.h"

#include<bits/stdc++.h>
using ll = int;
using namespace std;
#define pll pair <ll,ll>
#define fi first
#define se second
#define MP make_pair
#define sz(a) (ll((a).size()))
#define MASK(i) (1LL<<(i))
#define BIT(mask,i) (((mask) >> (i))&1)
struct point{
    ll x,y,id;
    point(ll x1 = 0,ll y1 = 0,ll id1 = 0):x(x1),y(y1),id(id1){}
    bool operator < (const point &p)const {
        return MP(x,y) < MP(p.x,p.y);
    }
};
int construct_roads(std::vector<int> x, std::vector<int> y) {
    ll n = sz(x);
    vector <pll> all[7];
    vector <point> a(n);
    
    for (ll i = 0;i < n;i ++){
        a[i] = {x[i],y[i],i};
    }
    sort(a.begin(),a.end());
    for (ll i = 0;i < n;i ++){
        if (all[a[i].x].empty() || all[a[i].x].back().se + 2 != a[i].y)all[a[i].x].push_back(MP(a[i].y,a[i].y));
        else{
            all[a[i].x].back().se+=2;
        }
    }
    vector <int> U, V, A, B;
    auto add = [&](pll u,pll v, ll x,ll y){
        // cout<<u.fi<<' '<<u.se<<' '<<v.fi<<' '<<v.se<<endl;
        U.push_back((*lower_bound(a.begin(),a.end(),point(u.fi,u.se,0))).id);
        V.push_back((*lower_bound(a.begin(),a.end(),point(v.fi,v.se,0))).id);
        A.push_back(x);
        B.push_back(y);
    };
    for (auto x:all[2]){
        for (ll i = x.fi + 2;i <= x.se;i += 2){
            add(MP(2,i-2),MP(2,i),1,i-1);
        }
    }
    for (auto x:all[4]){
        static ll ptr2 = 0;
        static ll ptr6 = 0;
        vector <ll> sus2,sus6;
        while (ptr2 < sz(all[2]) && all[2][ptr2].se < x.fi)ptr2++;
        while (ptr2 < sz(all[2]) && all[2][ptr2].fi <= x.se){
            // cout<<all[2][ptr2].fi<<' '<<all[2][ptr2].se<<endl;
            pll tmp = all[2][ptr2];
            if (tmp.fi <= x.fi && x.fi <= tmp.se){
                add(MP(4,x.fi),MP(2,x.fi),3,x.fi-1);
            }
            else if (tmp.fi <= x.se && x.se <= tmp.se){
                add(MP(4,x.se),MP(2,x.se),3,x.se+1);
            }
            else{
                sus2.push_back(tmp.fi);
            }
            ptr2++;
        }

        while (ptr6 < sz(all[6]) && all[6][ptr6].se < x.fi)ptr6++;
        while (ptr6 < sz(all[6]) && all[6][ptr6].fi <= x.se){
            pll tmp = all[6][ptr6];
            if (tmp.fi <= x.fi && x.fi <= tmp.se){
                add(MP(4,x.fi),MP(6,x.fi),5,x.fi-1);
            }
            else if (tmp.fi <= x.se && x.se <= tmp.se){
                add(MP(4,x.se),MP(6,x.se),5,x.se+1);
            }
            else{
                sus6.push_back(tmp.fi);
            }
            ptr6++;
        }
        ptr2=0,ptr6=0;
        for (ll j = x.fi + 2;j <= x.se;j += 2){
            while(ptr2 < sz(sus2) && sus2[ptr2]<j)ptr2++; 
            while(ptr6 < sz(sus6) && sus6[ptr6]<j)ptr6++; 
            bool do2,do6;
            do2 =  (ptr2 < sz(sus2) && sus2[ptr2]==j);
            do6 =  (ptr6 < sz(sus6) && sus6[ptr6]==j);
            if (do2 && do6){
                add(MP(4,j),MP(2,j),3,j-1);
                add(MP(4,j),MP(6,j),5,j+1);
                add(MP(4,j),MP(4,j-2),5,j-1);
                add(MP(4,j),MP(4,j+2),3,j+1);
                j+=2;
            }
            else if (do2){
                add(MP(4,j),MP(2,j),3,j-1);
                add(MP(4,j),MP(4,j-2),5,j-1);
            }
            else if (do6){
                add(MP(4,j),MP(6,j),5,j-1);
                add(MP(4,j),MP(4,j-2),3,j-1);
            }
            else add(MP(4,j),MP(4,j-2),3,j-1);
        }
    } 
    for (auto x:all[6]){
        for (ll i = x.fi + 2;i <= x.se;i += 2){
            add(MP(6,i-2),MP(6,i),7,i-1);
        }
    }
    {
        vector <vector <ll > > g(n);
        for (ll i = 0;i < sz(U);i ++){
            g[U[i]].push_back(V[i]);
            g[V[i]].push_back(U[i]);
        }
        vector <bool> in(n);
        queue <ll> q;
        q.push(0);
        in[0] = 1;
        while (!q.empty()){
            ll u = q.front();
            q.pop();
            for (auto v:g[u]){
                if (!in[v]){
                    in[v] = 1;
                    q.push(v);
                }
            }
        }
        for (ll i = 0;i < n;i ++)if (!in[i])return 0;
        build(U, V, A, B);
        return 1;
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 77 ms 14164 KB Output is correct
10 Correct 5 ms 1648 KB Output is correct
11 Correct 26 ms 7636 KB Output is correct
12 Correct 7 ms 2396 KB Output is correct
13 Correct 14 ms 5020 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 58 ms 14008 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 77 ms 14164 KB Output is correct
10 Correct 5 ms 1648 KB Output is correct
11 Correct 26 ms 7636 KB Output is correct
12 Correct 7 ms 2396 KB Output is correct
13 Correct 14 ms 5020 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 58 ms 14008 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 130 ms 27884 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 2 ms 860 KB Output is correct
28 Correct 48 ms 11260 KB Output is correct
29 Correct 73 ms 16836 KB Output is correct
30 Correct 103 ms 22360 KB Output is correct
31 Correct 153 ms 27876 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 432 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 139 ms 14236 KB Output is correct
46 Correct 264 ms 20600 KB Output is correct
47 Correct 228 ms 20536 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 77 ms 14164 KB Output is correct
10 Correct 5 ms 1648 KB Output is correct
11 Correct 26 ms 7636 KB Output is correct
12 Correct 7 ms 2396 KB Output is correct
13 Correct 14 ms 5020 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 58 ms 14008 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 130 ms 27884 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 2 ms 860 KB Output is correct
28 Correct 48 ms 11260 KB Output is correct
29 Correct 73 ms 16836 KB Output is correct
30 Correct 103 ms 22360 KB Output is correct
31 Correct 153 ms 27876 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 432 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 139 ms 14236 KB Output is correct
46 Correct 264 ms 20600 KB Output is correct
47 Correct 228 ms 20536 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 123 ms 27808 KB Output is correct
56 Correct 0 ms 604 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 3 ms 1260 KB Output is correct
59 Correct 4 ms 1372 KB Output is correct
60 Correct 58 ms 14012 KB Output is correct
61 Correct 75 ms 18860 KB Output is correct
62 Correct 119 ms 23140 KB Output is correct
63 Correct 122 ms 27936 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 125 ms 27924 KB Output is correct
68 Correct 123 ms 27820 KB Output is correct
69 Correct 136 ms 27816 KB Output is correct
70 Correct 2 ms 856 KB Output is correct
71 Correct 4 ms 1228 KB Output is correct
72 Correct 198 ms 14396 KB Output is correct
73 Correct 299 ms 21524 KB Output is correct
74 Correct 502 ms 28360 KB Output is correct
75 Correct 129 ms 30044 KB Output is correct
76 Correct 123 ms 28096 KB Output is correct
77 Correct 2 ms 860 KB Output is correct
78 Correct 4 ms 1368 KB Output is correct
79 Correct 123 ms 14684 KB Output is correct
80 Correct 227 ms 22220 KB Output is correct
81 Correct 352 ms 29396 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 77 ms 14164 KB Output is correct
10 Correct 5 ms 1648 KB Output is correct
11 Correct 26 ms 7636 KB Output is correct
12 Correct 7 ms 2396 KB Output is correct
13 Correct 14 ms 5020 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 58 ms 14008 KB Output is correct
17 Runtime error 1 ms 348 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 77 ms 14164 KB Output is correct
10 Correct 5 ms 1648 KB Output is correct
11 Correct 26 ms 7636 KB Output is correct
12 Correct 7 ms 2396 KB Output is correct
13 Correct 14 ms 5020 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 58 ms 14008 KB Output is correct
17 Runtime error 46 ms 13632 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 77 ms 14164 KB Output is correct
10 Correct 5 ms 1648 KB Output is correct
11 Correct 26 ms 7636 KB Output is correct
12 Correct 7 ms 2396 KB Output is correct
13 Correct 14 ms 5020 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 58 ms 14008 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 130 ms 27884 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 2 ms 860 KB Output is correct
28 Correct 48 ms 11260 KB Output is correct
29 Correct 73 ms 16836 KB Output is correct
30 Correct 103 ms 22360 KB Output is correct
31 Correct 153 ms 27876 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 432 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 139 ms 14236 KB Output is correct
46 Correct 264 ms 20600 KB Output is correct
47 Correct 228 ms 20536 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 123 ms 27808 KB Output is correct
56 Correct 0 ms 604 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 3 ms 1260 KB Output is correct
59 Correct 4 ms 1372 KB Output is correct
60 Correct 58 ms 14012 KB Output is correct
61 Correct 75 ms 18860 KB Output is correct
62 Correct 119 ms 23140 KB Output is correct
63 Correct 122 ms 27936 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 125 ms 27924 KB Output is correct
68 Correct 123 ms 27820 KB Output is correct
69 Correct 136 ms 27816 KB Output is correct
70 Correct 2 ms 856 KB Output is correct
71 Correct 4 ms 1228 KB Output is correct
72 Correct 198 ms 14396 KB Output is correct
73 Correct 299 ms 21524 KB Output is correct
74 Correct 502 ms 28360 KB Output is correct
75 Correct 129 ms 30044 KB Output is correct
76 Correct 123 ms 28096 KB Output is correct
77 Correct 2 ms 860 KB Output is correct
78 Correct 4 ms 1368 KB Output is correct
79 Correct 123 ms 14684 KB Output is correct
80 Correct 227 ms 22220 KB Output is correct
81 Correct 352 ms 29396 KB Output is correct
82 Runtime error 1 ms 348 KB Execution killed with signal 11
83 Halted 0 ms 0 KB -