求为什么40分

longyitongxue @ 2024-10-28 22:41:40

by longyitongxue @ 2024-10-28 22:52:53

#include<iostream>
#include<stdlib.h>
#include<string.h>
using namespace std;
int n,m,k,cnt;
char a[1005][1005];
bool vis[1005][1005];
int dx[4]= {0,1,0,-1};
int dy[4]= {1,0,-1,0};
void serch(int x,int y,int d)
{
    while(k--)
    {
        int nx=x+dx[d];
        int ny=y+dy[d];
        if(a[nx][ny]=='.')
        {
            if(!vis[nx][ny])
            {
                vis[nx][ny]=1;
                cnt++;
            }
            x=nx;
            y=ny;
        }
        else
        {
            d=(d+1)%4;
        }
    }
    cout<<cnt<<'\n';
}
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        cnt=1;
        int x,y,d;
        memset(vis,0,sizeof(vis));
        cin>>n>>m>>k>>x>>y>>d;
        for(int i=1; i<=n; i++)
        {
            for(int j=1; j<=m; j++)
            {
                cin>>a[i][j];
            }
        }
        serch(x,y,d);
    }
    return 0;
}

by tyr_04 @ 2024-10-28 23:11:56

@longyitongxue 边界？要判是否跑出地图吧

by longyitongxue @ 2024-10-29 21:25:07

@tyr_04 听我说谢谢你！（真诚的，不是那个意思）

by longyitongxue @ 2024-10-29 21:25:48

已关注，求关注！ @tyr_04