oj.uz

Submission #494766

# Submission time Handle Problem Language Result Execution time Memory
494766 2021-12-16T07:30:20 Z Khizri Fountain Parks (IOI21_parks) C++17
5 / 100
 123 ms 46144 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[10][mxn],arr[10][mxn],say,cl[10][mxn];
int l[4]={0,0,2,-2};
int r[4]={2,-2,0,0};
bool qq=true;
vector<int>a,b,c,d;
void bfs(int x,int y){

    queue<pii>q;
    q.push({x,y});
    color[x][y]=1;
    while(q.size()){
        pii p=q.front();
        q.pop();
        x=p.F,y=p.S;
        say++;
        for(int i=0;i<4;i++){
            int u=x+l[i],v=y+r[i];
            if(arr[u][v]&&!color[u][v]){
                a.pb(arr[x][y]-1);
                b.pb(arr[u][v]-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);
                q.push({u,v});
                color[u][v]=1;
            }
        }
    }
}
void dfs(int x,int y){
    color[x][y]=1;
    say++;
    for(int i=0;i<4;i++){
        int u=x+l[i],v=y+r[i];
        if(arr[u][v]&&!color[u][v]){
            a.pb(arr[x][y]-1);
            b.pb(arr[u][v]-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);
        }
    }
}
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);
    if(say==n&&qq){
        build(a,b,c,d);
        return 1;
    }
    qq=true;
    say=0;
    memset(color,0,sizeof(color));
    memset(cl,0,sizeof(cl));
    dfs(a1,b1);
    if(say==n&&qq){
        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 304 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 7 ms 15948 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 8 ms 15920 KB Output is correct
7 Correct 9 ms 15904 KB Output is correct
8 Correct 9 ms 15948 KB Output is correct
9 Correct 59 ms 23208 KB Output is correct
10 Correct 8 ms 2892 KB Output is correct
11 Correct 35 ms 12628 KB Output is correct
12 Correct 11 ms 4116 KB Output is correct
13 Correct 19 ms 22228 KB Output is correct
14 Correct 7 ms 16076 KB Output is correct
15 Correct 8 ms 16060 KB Output is correct
16 Correct 61 ms 23340 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 7 ms 15948 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 8 ms 15920 KB Output is correct
7 Correct 9 ms 15904 KB Output is correct
8 Correct 9 ms 15948 KB Output is correct
9 Correct 59 ms 23208 KB Output is correct
10 Correct 8 ms 2892 KB Output is correct
11 Correct 35 ms 12628 KB Output is correct
12 Correct 11 ms 4116 KB Output is correct
13 Correct 19 ms 22228 KB Output is correct
14 Correct 7 ms 16076 KB Output is correct
15 Correct 8 ms 16060 KB Output is correct
16 Correct 61 ms 23340 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 7 ms 15948 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 120 ms 46144 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 564 KB Output is correct
26 Correct 9 ms 16312 KB Output is correct
27 Correct 7 ms 16204 KB Output is correct
28 Correct 46 ms 18644 KB Output is correct
29 Correct 70 ms 27892 KB Output is correct
30 Correct 105 ms 36940 KB Output is correct
31 Correct 123 ms 46068 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 9 ms 15916 KB Output is correct
36 Correct 8 ms 15948 KB Output is correct
37 Correct 2 ms 332 KB Output is correct
38 Correct 0 ms 332 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Incorrect 8 ms 15948 KB Integer parameter [name=u[j]] equals to -1, violates the range [0, 2]
41 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 7 ms 15948 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 8 ms 15920 KB Output is correct
7 Correct 9 ms 15904 KB Output is correct
8 Correct 9 ms 15948 KB Output is correct
9 Correct 59 ms 23208 KB Output is correct
10 Correct 8 ms 2892 KB Output is correct
11 Correct 35 ms 12628 KB Output is correct
12 Correct 11 ms 4116 KB Output is correct
13 Correct 19 ms 22228 KB Output is correct
14 Correct 7 ms 16076 KB Output is correct
15 Correct 8 ms 16060 KB Output is correct
16 Correct 61 ms 23340 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 7 ms 15948 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 120 ms 46144 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 564 KB Output is correct
26 Correct 9 ms 16312 KB Output is correct
27 Correct 7 ms 16204 KB Output is correct
28 Correct 46 ms 18644 KB Output is correct
29 Correct 70 ms 27892 KB Output is correct
30 Correct 105 ms 36940 KB Output is correct
31 Correct 123 ms 46068 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 9 ms 15916 KB Output is correct
36 Correct 8 ms 15948 KB Output is correct
37 Correct 2 ms 332 KB Output is correct
38 Correct 0 ms 332 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Incorrect 8 ms 15948 KB Integer parameter [name=u[j]] equals to -1, violates the range [0, 2]
41 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 7 ms 15948 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 8 ms 15920 KB Output is correct
7 Correct 9 ms 15904 KB Output is correct
8 Correct 9 ms 15948 KB Output is correct
9 Correct 59 ms 23208 KB Output is correct
10 Correct 8 ms 2892 KB Output is correct
11 Correct 35 ms 12628 KB Output is correct
12 Correct 11 ms 4116 KB Output is correct
13 Correct 19 ms 22228 KB Output is correct
14 Correct 7 ms 16076 KB Output is correct
15 Correct 8 ms 16060 KB Output is correct
16 Correct 61 ms 23340 KB Output is correct
17 Runtime error 2 ms 428 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 304 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 7 ms 15948 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 8 ms 15920 KB Output is correct
7 Correct 9 ms 15904 KB Output is correct
8 Correct 9 ms 15948 KB Output is correct
9 Correct 59 ms 23208 KB Output is correct
10 Correct 8 ms 2892 KB Output is correct
11 Correct 35 ms 12628 KB Output is correct
12 Correct 11 ms 4116 KB Output is correct
13 Correct 19 ms 22228 KB Output is correct
14 Correct 7 ms 16076 KB Output is correct
15 Correct 8 ms 16060 KB Output is correct
16 Correct 61 ms 23340 KB Output is correct
17 Runtime error 43 ms 6864 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 304 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 7 ms 15948 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 8 ms 15920 KB Output is correct
7 Correct 9 ms 15904 KB Output is correct
8 Correct 9 ms 15948 KB Output is correct
9 Correct 59 ms 23208 KB Output is correct
10 Correct 8 ms 2892 KB Output is correct
11 Correct 35 ms 12628 KB Output is correct
12 Correct 11 ms 4116 KB Output is correct
13 Correct 19 ms 22228 KB Output is correct
14 Correct 7 ms 16076 KB Output is correct
15 Correct 8 ms 16060 KB Output is correct
16 Correct 61 ms 23340 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 7 ms 15948 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 120 ms 46144 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 564 KB Output is correct
26 Correct 9 ms 16312 KB Output is correct
27 Correct 7 ms 16204 KB Output is correct
28 Correct 46 ms 18644 KB Output is correct
29 Correct 70 ms 27892 KB Output is correct
30 Correct 105 ms 36940 KB Output is correct
31 Correct 123 ms 46068 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 9 ms 15916 KB Output is correct
36 Correct 8 ms 15948 KB Output is correct
37 Correct 2 ms 332 KB Output is correct
38 Correct 0 ms 332 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Incorrect 8 ms 15948 KB Integer parameter [name=u[j]] equals to -1, violates the range [0, 2]
41 Halted 0 ms 0 KB -