oj.uz

Submission #953444

# Submission time Handle Problem Language Result Execution time Memory
953444 2024-03-26T01:33:36 Z Darren0724 Cultivation (JOI17_cultivation) C++17
0 / 100
 145 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=200005;
const int INF=1e9;

int32_t main() {
    LCBorz;
    int r,c;cin>>r>>c;
    int n;cin>>n;
    vector dis(r+2,vector(c+2,INF));
    vector<int> a(n),b(n);
    for(int i=0;i<n;i++){
        cin>>a[i]>>b[i];
        dis[a[i]][b[i]]=0;
    }
    vector<int> dx={1,0,-1,0},dy={0,1,0,-1};
    queue<pair<int,int>> q;
    auto check=[&](int a,int b){
        return (a>0&&a<=r&&b>0&&b<r&&dis[a][b]==INF);
    };
    int ans=0;
    for(int k=0;k<4;k++){
        for(int i=1;i<=r;i++){
            for(int j=1;j<=c;j++){
                if(dis[i][j]!=INF){
                    dis[i][j]=0;
                    q.push({i,j});
                }
            }
        }
        int mx=0;
        while(q.size()){
            auto [a,b]=q.front();
            q.pop();
            mx=max(mx,dis[a][b]);
            int c=a+dx[k];
            int d=b+dy[k];
            if(check(c,d)){
                dis[c][d]=dis[a][b]+1;
                q.push({c,d});
            }
        }
        ans+=mx;
    }
    cout<<ans<<endl;
    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 145 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 145 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -