oj.uz

Submission #494751

# Submission time Handle Problem Language Result Execution time Memory
494751 2021-12-16T05:18:49 Z Khizri Fountain Parks (IOI21_parks) C++17
5 / 100
 60 ms 23100 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){
    qq=true;
    say=0;
    memset(color,0,sizeof(color));
    memset(cl,0,sizeof(cl));
    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;
            }
        }
    }
}
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;
    }
    bfs(a1,b1);
    if(say==n&&qq){
        build(a,b,c,d);
        return 1;
    }
    bfs(a2,b2);
    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 7 ms 15948 KB Output is correct
2 Correct 7 ms 15948 KB Output is correct
3 Correct 9 ms 15976 KB Output is correct
4 Correct 7 ms 15876 KB Output is correct
5 Correct 7 ms 15968 KB Output is correct
6 Correct 9 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 9 ms 15908 KB Output is correct
9 Correct 60 ms 23100 KB Output is correct
10 Correct 11 ms 16844 KB Output is correct
11 Correct 32 ms 19828 KB Output is correct
12 Correct 14 ms 17228 KB Output is correct
13 Correct 17 ms 17868 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 10 ms 15948 KB Output is correct
16 Correct 55 ms 23088 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 7 ms 15948 KB Output is correct
3 Correct 9 ms 15976 KB Output is correct
4 Correct 7 ms 15876 KB Output is correct
5 Correct 7 ms 15968 KB Output is correct
6 Correct 9 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 9 ms 15908 KB Output is correct
9 Correct 60 ms 23100 KB Output is correct
10 Correct 11 ms 16844 KB Output is correct
11 Correct 32 ms 19828 KB Output is correct
12 Correct 14 ms 17228 KB Output is correct
13 Correct 17 ms 17868 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 10 ms 15948 KB Output is correct
16 Correct 55 ms 23088 KB Output is correct
17 Correct 6 ms 15948 KB Output is correct
18 Correct 6 ms 15948 KB Output is correct
19 Incorrect 9 ms 15948 KB Edge between 2 and 3 appears more than once: appeared on positions 4 and 6
20 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 7 ms 15948 KB Output is correct
3 Correct 9 ms 15976 KB Output is correct
4 Correct 7 ms 15876 KB Output is correct
5 Correct 7 ms 15968 KB Output is correct
6 Correct 9 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 9 ms 15908 KB Output is correct
9 Correct 60 ms 23100 KB Output is correct
10 Correct 11 ms 16844 KB Output is correct
11 Correct 32 ms 19828 KB Output is correct
12 Correct 14 ms 17228 KB Output is correct
13 Correct 17 ms 17868 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 10 ms 15948 KB Output is correct
16 Correct 55 ms 23088 KB Output is correct
17 Correct 6 ms 15948 KB Output is correct
18 Correct 6 ms 15948 KB Output is correct
19 Incorrect 9 ms 15948 KB Edge between 2 and 3 appears more than once: appeared on positions 4 and 6
20 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 7 ms 15948 KB Output is correct
3 Correct 9 ms 15976 KB Output is correct
4 Correct 7 ms 15876 KB Output is correct
5 Correct 7 ms 15968 KB Output is correct
6 Correct 9 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 9 ms 15908 KB Output is correct
9 Correct 60 ms 23100 KB Output is correct
10 Correct 11 ms 16844 KB Output is correct
11 Correct 32 ms 19828 KB Output is correct
12 Correct 14 ms 17228 KB Output is correct
13 Correct 17 ms 17868 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 10 ms 15948 KB Output is correct
16 Correct 55 ms 23088 KB Output is correct
17 Runtime error 2 ms 332 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 7 ms 15948 KB Output is correct
2 Correct 7 ms 15948 KB Output is correct
3 Correct 9 ms 15976 KB Output is correct
4 Correct 7 ms 15876 KB Output is correct
5 Correct 7 ms 15968 KB Output is correct
6 Correct 9 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 9 ms 15908 KB Output is correct
9 Correct 60 ms 23100 KB Output is correct
10 Correct 11 ms 16844 KB Output is correct
11 Correct 32 ms 19828 KB Output is correct
12 Correct 14 ms 17228 KB Output is correct
13 Correct 17 ms 17868 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 10 ms 15948 KB Output is correct
16 Correct 55 ms 23088 KB Output is correct
17 Runtime error 39 ms 6740 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 7 ms 15948 KB Output is correct
2 Correct 7 ms 15948 KB Output is correct
3 Correct 9 ms 15976 KB Output is correct
4 Correct 7 ms 15876 KB Output is correct
5 Correct 7 ms 15968 KB Output is correct
6 Correct 9 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 9 ms 15908 KB Output is correct
9 Correct 60 ms 23100 KB Output is correct
10 Correct 11 ms 16844 KB Output is correct
11 Correct 32 ms 19828 KB Output is correct
12 Correct 14 ms 17228 KB Output is correct
13 Correct 17 ms 17868 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 10 ms 15948 KB Output is correct
16 Correct 55 ms 23088 KB Output is correct
17 Correct 6 ms 15948 KB Output is correct
18 Correct 6 ms 15948 KB Output is correct
19 Incorrect 9 ms 15948 KB Edge between 2 and 3 appears more than once: appeared on positions 4 and 6
20 Halted 0 ms 0 KB -