| 比赛 |
2026郑轻校赛 |
评测结果 |
AAAAAAAAAAAAAAAAAAAA |
| 题目名称 |
覆盖面积 |
最终得分 |
100 |
| 用户昵称 |
梦那边的美好ME |
运行时间 |
5.215 s |
| 代码语言 |
C++ |
内存使用 |
3.73 MiB |
| 提交时间 |
2026-04-07 19:56:40 |
显示代码纯文本
#include <bits/stdc++.h>
using namespace std;
#define ll long long
ll n,m;
ll Q;
ll a[55][55];
ll ans[55][55];
ll dx[]={0,0,1,-1},dy[]={1,-1,0,0};
ll solve(ll xx,ll yy){
vector <vector <bool> > vis(n+1,vector <bool>(m+1,0));
queue <pair <ll,ll> > q;
q.push({xx,yy});
vis[xx][yy]=1;
ll cnt=0;
while (!q.empty()){
pair <ll,ll> o=q.front();
q.pop();
cnt++;
for (int i=0;i<4;++i){
ll nx=o.first+dx[i];
ll ny=o.second+dy[i];
if (nx>=1&&nx<=n&&ny>=1&&ny<=m&&!vis[nx][ny]){
if (a[nx][ny]<=a[o.first][o.second]){
vis[nx][ny]=1;
q.push({nx,ny});
}
}
}
}
return cnt;
}
int main(){
freopen("area.in","r",stdin);
freopen("area.out","w",stdout);
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>n>>m;
for (int i=1;i<=n;++i){
for (int j=1;j<=m;++j){
cin>>a[i][j];
}
}
for (int i=1;i<=n;++i){
for (int j=1;j<=m;++j){
ans[i][j]=solve(i,j);
}
}
cin>>Q;
while (Q--){
ll x,y;
cin>>x>>y;
cout<<ans[x][y]<<"\n";
}
return 0;
}