| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1329522 | Faisal_Saqib | 과수원 (NOI14_orchard) | C++20 | 86 ms | 55164 KiB |
#include <iostream>
#include <vector>
#include <algorithm>
#include <array>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#include <iomanip>
using namespace std;
typedef long long ll;
typedef long double ld;
#define int ll
int32_t main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n,m;
cin>>n>>m;
int a[n+2][m+2]={0},pre[n+2][m+2]={0};
for(int i=0;i<=n+1;i++)
{
for(int j=0;j<=m+1;j++)
{
pre[i][j]=0;
}
}
int t1=0,mx=0;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
cin>>a[i][j];
if(a[i][j]==1)
{
t1++;
a[i][j]=1;
}
else if(a[i][j]==0)
{
a[i][j]=-1;
}
pre[i][j]=pre[i][j-1]+a[i][j];
}
int tlp[m+2];
for(int j=0;j<=m+1;j++)tlp[j]=0;
for(int i1=i;i1>0;i1--)
{
int mci=0;
for(int j=0;j<=m;j++)
{
tlp[j]+=pre[i1][j];
mci=min(mci,tlp[j]);
mx=max(mx,tlp[j]-mci);
}
}
}
cout<<t1-mx<<endl;
}
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