【Codeforces Round #476 (Div. 2) [Thanks, Telegram!] B】Battleship
【链接】 我是链接,点我呀:)
【题意】
【题解】
暴力枚举船的左上角。 然后统计每个点被覆盖次数就好。【代码】
#include <bits/stdc++.h>
#define LL long long
#define rep1(i,a,b) for (int i = a;i <= b;i++)
#define rep2(i,a,b) for (int i = a;i >= b;i--)
#define all(x) x.begin(),x.end()
#define pb push_back
#define lson l,mid,rt<<1
#define rson mid+1,r,rt<<1|1
using namespace std;
const double pi = acos(-1);
const int dx[4] = {0,0,1,-1};
const int dy[4] = {1,-1,0,0};
const int N = 100;
int n,k,num[N+10][N+10];
char s[N+10][N+10];
int main(){
#ifdef LOCAL_DEFINE
freopen("rush_in.txt", "r", stdin);
#endif
ios::sync_with_stdio(0),cin.tie(0);
cin >> n >> k;
for (int i = 1;i <= n;i++) cin >>(s[i]+1);
for (int i = 1;i <= n;i++)
for (int j = 1;j <= n;j++){
bool ok = true;
for (int l = 0;l < k;l++)
if (j+l>n||s[i][j+l]!='.'){
ok = false;
break;
}
if (ok){
for (int l = 0;l < k;l++)
num[i][j+l]++;
}
ok = true;
for (int l = 0;l < k;l++)
if (i+l>n || s[i+l][j]!='.'){
ok = false;
break;
}
if (ok && k>1)
for (int l = 0;l < k;l++)
num[i+l][j]++;
}
int x = 1,y = 1;
for (int i = 1;i <= n;i++)
for (int j = 1;j <= n;j++){
if (num[i][j]>num[x][y]){
x = i,y = j;
}
}
cout<<x<<' '<<y<<endl;
return 0;
}