답안 #494769

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
494769 2021-12-16T07:35:30 Z Khizri 분수 공원 (IOI21_parks) C++17
5 / 100
118 ms 45868 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;
    }
    
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 62 ms 23084 KB Output is correct
10 Correct 6 ms 2764 KB Output is correct
11 Correct 30 ms 12624 KB Output is correct
12 Correct 8 ms 3916 KB Output is correct
13 Correct 11 ms 6804 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 58 ms 23084 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 62 ms 23084 KB Output is correct
10 Correct 6 ms 2764 KB Output is correct
11 Correct 30 ms 12624 KB Output is correct
12 Correct 8 ms 3916 KB Output is correct
13 Correct 11 ms 6804 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 58 ms 23084 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 118 ms 45864 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 588 KB Output is correct
26 Correct 1 ms 716 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 47 ms 18572 KB Output is correct
29 Correct 71 ms 27692 KB Output is correct
30 Correct 103 ms 36836 KB Output is correct
31 Correct 118 ms 45868 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 0 ms 336 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Incorrect 0 ms 344 KB Solution announced impossible, but it is possible.
41 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 62 ms 23084 KB Output is correct
10 Correct 6 ms 2764 KB Output is correct
11 Correct 30 ms 12624 KB Output is correct
12 Correct 8 ms 3916 KB Output is correct
13 Correct 11 ms 6804 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 58 ms 23084 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 118 ms 45864 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 588 KB Output is correct
26 Correct 1 ms 716 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 47 ms 18572 KB Output is correct
29 Correct 71 ms 27692 KB Output is correct
30 Correct 103 ms 36836 KB Output is correct
31 Correct 118 ms 45868 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 0 ms 336 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Incorrect 0 ms 344 KB Solution announced impossible, but it is possible.
41 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 62 ms 23084 KB Output is correct
10 Correct 6 ms 2764 KB Output is correct
11 Correct 30 ms 12624 KB Output is correct
12 Correct 8 ms 3916 KB Output is correct
13 Correct 11 ms 6804 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 58 ms 23084 KB Output is correct
17 Runtime error 2 ms 344 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 62 ms 23084 KB Output is correct
10 Correct 6 ms 2764 KB Output is correct
11 Correct 30 ms 12624 KB Output is correct
12 Correct 8 ms 3916 KB Output is correct
13 Correct 11 ms 6804 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 58 ms 23084 KB Output is correct
17 Runtime error 43 ms 6724 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 62 ms 23084 KB Output is correct
10 Correct 6 ms 2764 KB Output is correct
11 Correct 30 ms 12624 KB Output is correct
12 Correct 8 ms 3916 KB Output is correct
13 Correct 11 ms 6804 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 58 ms 23084 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 118 ms 45864 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 588 KB Output is correct
26 Correct 1 ms 716 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 47 ms 18572 KB Output is correct
29 Correct 71 ms 27692 KB Output is correct
30 Correct 103 ms 36836 KB Output is correct
31 Correct 118 ms 45868 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 0 ms 336 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 344 KB Output is correct
40 Incorrect 0 ms 344 KB Solution announced impossible, but it is possible.
41 Halted 0 ms 0 KB -