904 | 2022. 01. 26 14:29:40 | Babják Péter | Sivatag | cpp11 | Elfogadva 40/40 | 108ms | 28056 KiB |
#include <bits/stdc++.h>
#define MAXN 1005
#define int long long
using namespace std;
int n,m,k,e;
int t1[MAXN][MAXN];
int g[MAXN][MAXN];
signed main()
{
cin>>m>>n>>k>>e;
for(int i=0;i<e;i++)
{
int a,b,c,d;
cin>>b>>a>>d>>c;
a=(n+1)-a;
c=(n+1)-c;
t1[a+1][b]--;
t1[c][b]++;
t1[c][d+1]--;
t1[a+1][d+1]++;
}
for(int i=0;i<=n;i++)
{
int akt=0;
for(int j=0;j<=m;j++)
{
akt+=t1[i][j];
t1[i][j]=akt;
}
}
for(int j=0;j<=m;j++)
{
int akt=0;
for(int i=0;i<=n;i++)
{
akt+=t1[i][j];
t1[i][j]=akt;
}
}
for(int j=1;j<=m;j++)
{
for(int i=1;i<=k;i++)
{
g[1][j]+=t1[i][j];
}
for(int i=2;i+k-1<=n;i++)
{
g[i][j]=g[i-1][j]+t1[i+k-1][j]-t1[i-1][j];
}
}
int ans=0,ansi=n,ansj=1;
for(int i=1;i+k-1<=n;i++)
{
int sum=0,psum=0;
for(int j=1;j<=k;j++)psum+=g[i][j];
if(psum>ans)
{
ans=psum;
ansi=i+k-1;
ansj=1;
}
for(int j=2;j+k-1<=m;j++)
{
sum=psum-g[i][j-1]+g[i][j+k-1];
if(sum>ans)
{
ans=sum;
ansi=i+k-1;
ansj=j;
}
psum=sum;
}
}
cout<<ans<<'\n'<<ansj<<" "<<(n+1)-ansi;
return 0;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 40/40 | ||||||
1 | Elfogadva | 0/0 | 2ms | 1864 KiB | |||
2 | Elfogadva | 0/0 | 93ms | 13216 KiB | |||
3 | Elfogadva | 2/2 | 2ms | 5236 KiB | |||
4 | Elfogadva | 2/2 | 4ms | 9304 KiB | |||
5 | Elfogadva | 2/2 | 12ms | 19008 KiB | |||
6 | Elfogadva | 2/2 | 25ms | 19016 KiB | |||
7 | Elfogadva | 2/2 | 13ms | 19020 KiB | |||
8 | Elfogadva | 2/2 | 13ms | 19032 KiB | |||
9 | Elfogadva | 2/2 | 2ms | 4784 KiB | |||
10 | Elfogadva | 2/2 | 3ms | 7320 KiB | |||
11 | Elfogadva | 2/2 | 10ms | 17280 KiB | |||
12 | Elfogadva | 2/2 | 8ms | 15564 KiB | |||
13 | Elfogadva | 2/2 | 10ms | 14784 KiB | |||
14 | Elfogadva | 2/2 | 8ms | 13244 KiB | |||
15 | Elfogadva | 1/1 | 108ms | 11900 KiB | |||
16 | Elfogadva | 1/1 | 103ms | 16868 KiB | |||
17 | Elfogadva | 1/1 | 50ms | 22072 KiB | |||
18 | Elfogadva | 1/1 | 82ms | 17904 KiB | |||
19 | Elfogadva | 2/2 | 92ms | 21544 KiB | |||
20 | Elfogadva | 2/2 | 97ms | 19776 KiB | |||
21 | Elfogadva | 2/2 | 101ms | 24352 KiB | |||
22 | Elfogadva | 2/2 | 101ms | 23836 KiB | |||
23 | Elfogadva | 2/2 | 101ms | 26876 KiB | |||
24 | Elfogadva | 2/2 | 101ms | 28056 KiB |