oj.uz

Submission #494773

# Submission time Handle Problem Language Result Execution time Memory
494773 2021-12-16T07:51:35 Z Khizri Fountain Parks (IOI21_parks) C++17
5 / 100
 516 ms 88916 KB 
#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define F first
#define S second
#define pii pair<int,int>
const int mxn=2e5+100;
int n,color[mxn],say;
int l[4]={0,0,2,-2};
int r[4]={2,-2,0,0};
bool qq=true;
vector<int>a,b,c,d;
map<pii,int>arr;
map<pii,bool>cl;
void dfs(int x,int y,int cost){
    color[cost]=1;
    say++;
    for(int i=0;i<4;i++){
        int u=x+l[i],v=y+r[i];
        int k=arr[{u,v}];
        if(k&&!color[k]){
            a.pb(cost-1);
            b.pb(k-1);
            int q1=x+1,q2=v+1;
            if(x!=u){
                q1=(x+u)/2;
                if(cl[{q1,q2}]){
                    q2-=2;
                }
            }
            else{
                q2=(y+v)/2;
                if(cl[{q1,q2}]){
                    q1-=2;
                }
            }
            if(cl[{q1,q2}]){
                qq=false;
            }
            cl[{q1,q2}]=1;
            c.pb(q1);
            d.pb(q2);
            dfs(u,v,k);
        }
    }
}
int construct_roads(vector<int> x, vector<int> y) {
    n=x.size();
    int a1=-1e7,b1=-1e7,a2=1e7,b2=1e7;
    for(int i=0;i<n;i++){
        a1=max(a1,x[i]);
        b1=max(b1,y[i]);
        a2=min(a2,x[i]);
        b2=min(b2,y[i]);
        arr[{x[i],y[i]}]=i+1;
    }
    dfs(a2,b2,arr[{a2,b2}]);
    if(say==n){
        build(a,b,c,d);
        return 1;
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 244 ms 44520 KB Output is correct
10 Correct 20 ms 4944 KB Output is correct
11 Correct 111 ms 24104 KB Output is correct
12 Correct 29 ms 7132 KB Output is correct
13 Correct 65 ms 13904 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 2 ms 588 KB Output is correct
16 Correct 233 ms 44560 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 244 ms 44520 KB Output is correct
10 Correct 20 ms 4944 KB Output is correct
11 Correct 111 ms 24104 KB Output is correct
12 Correct 29 ms 7132 KB Output is correct
13 Correct 65 ms 13904 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 2 ms 588 KB Output is correct
16 Correct 233 ms 44560 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 468 ms 76296 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 2 ms 716 KB Output is correct
26 Correct 3 ms 844 KB Output is correct
27 Correct 3 ms 716 KB Output is correct
28 Correct 160 ms 30672 KB Output is correct
29 Correct 276 ms 45996 KB Output is correct
30 Correct 394 ms 61316 KB Output is correct
31 Correct 462 ms 76312 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Incorrect 0 ms 204 KB Solution announced impossible, but it is possible.
41 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 244 ms 44520 KB Output is correct
10 Correct 20 ms 4944 KB Output is correct
11 Correct 111 ms 24104 KB Output is correct
12 Correct 29 ms 7132 KB Output is correct
13 Correct 65 ms 13904 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 2 ms 588 KB Output is correct
16 Correct 233 ms 44560 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 468 ms 76296 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 2 ms 716 KB Output is correct
26 Correct 3 ms 844 KB Output is correct
27 Correct 3 ms 716 KB Output is correct
28 Correct 160 ms 30672 KB Output is correct
29 Correct 276 ms 45996 KB Output is correct
30 Correct 394 ms 61316 KB Output is correct
31 Correct 462 ms 76312 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Incorrect 0 ms 204 KB Solution announced impossible, but it is possible.
41 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 244 ms 44520 KB Output is correct
10 Correct 20 ms 4944 KB Output is correct
11 Correct 111 ms 24104 KB Output is correct
12 Correct 29 ms 7132 KB Output is correct
13 Correct 65 ms 13904 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 2 ms 588 KB Output is correct
16 Correct 233 ms 44560 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Incorrect 1 ms 204 KB Solution announced impossible, but it is possible.
19 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 244 ms 44520 KB Output is correct
10 Correct 20 ms 4944 KB Output is correct
11 Correct 111 ms 24104 KB Output is correct
12 Correct 29 ms 7132 KB Output is correct
13 Correct 65 ms 13904 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 2 ms 588 KB Output is correct
16 Correct 233 ms 44560 KB Output is correct
17 Correct 504 ms 88916 KB Output is correct
18 Correct 516 ms 82708 KB Output is correct
19 Incorrect 162 ms 16260 KB Solution announced impossible, but it is possible.
20 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 244 ms 44520 KB Output is correct
10 Correct 20 ms 4944 KB Output is correct
11 Correct 111 ms 24104 KB Output is correct
12 Correct 29 ms 7132 KB Output is correct
13 Correct 65 ms 13904 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 2 ms 588 KB Output is correct
16 Correct 233 ms 44560 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 468 ms 76296 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 2 ms 716 KB Output is correct
26 Correct 3 ms 844 KB Output is correct
27 Correct 3 ms 716 KB Output is correct
28 Correct 160 ms 30672 KB Output is correct
29 Correct 276 ms 45996 KB Output is correct
30 Correct 394 ms 61316 KB Output is correct
31 Correct 462 ms 76312 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Incorrect 0 ms 204 KB Solution announced impossible, but it is possible.
41 Halted 0 ms 0 KB -