#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define in insert
#define er erase
#define pb push_back
#define ppb pop_back()
#define ph push
#define pp pop()
#define d3 ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define cans cout << ans << "\n";
#define yes cout << "YES" << "\n";
#define no cout << "NO" << "\n";
#define pll pair<ll,ll>
#define lin cout << "\n";
#define sqr 340
#define mod 1000000007
#define mid (l+r)/2
using namespace std;
ll h , w;
ll a[10][10];
ll b[10];
ll W(ll col , ll row , ll mn1 , ll mx1 , ll mn2 , ll mx2)
{
if(col==w-1)
{
//cout << col << " " << row << " " << mn1 << " " << mx1 << " " << mn2 << " " << mx2 << " " << max(mx1-mn1,mx2-mn2) << "\n";
return max(mx1-mn1,mx2-mn2);
}
multiset<ll> s1;
multiset<ll> s2;
for(int i = 0 ; h>i ; i++)
s2.in(a[i][col+1]);
auto it = s2.begin();
ll mn = *it;
it = s2.end();
it--;
ll mx = *it;
ll ans = W(col+1,0,mn1,mx1,min(mn2,mn),max(mx2,mx));
b[col]=0;
for(int i = 0 ; row>i ; i++)
{
s1.in(a[i][col+1]);
s2.erase(s2.find(a[i][col+1]));
it = s1.begin();
ll mnn1 = min(mn1,*it);
it = s1.end();
it--;
ll mxx1 = max(mx1,*it);
ll mnn2 = mn2;
ll mxx2 = mx2;
if(!s2.empty())
{
it = s2.begin();
mnn2=min(mnn2,*it);
it = s2.end();
it--;
mxx2=max(mxx2,*it);
}
ll ans1 = ans;
ans=min(ans,W(col+1,i+1,mnn1,mxx1,mnn2,mxx2));
if(ans!=ans1)
b[col]=i+1;
}
return ans;
}
int main()
{
d3
cin >> h >> w;
for(int i = 0 ; h>i ; i++)
for(int j = 0 ; w>j ; j++)
cin >> a[i][j];
multiset<ll> s1;
multiset<ll> s2;
for(int i = 0 ; h>i ; i++)
s2.in(a[i][0]);
ll ans = 1e10;
for(int i = 0 ; h>i ; i++)
{
s1.in(a[i][0]);
s2.erase(s2.find(a[i][0]));
auto it = s1.begin();
ll mnn1 = *it;
it = s1.end();
it--;
ll mxx1 = *it;
ll mnn2 = 1e10;
ll mxx2 = 0;
if(!s2.empty())
{
it = s2.begin();
mnn2=min(mnn2,*it);
it = s2.end();
it--;
mxx2=max(mxx2,*it);
}
//cout << i+1 << " " << mnn1 << " " << mxx1 << " " << mnn2 << " " << mxx2 << '\n';
ll ans1 = ans;
ans=min(ans,W(0,i+1,mnn1,mxx1,mnn2,mxx2));
if(ans1!=ans)
b[0]=i+1;
}
//for(int i = 0 ; w>i ; i++)
//cout << b[i] << " ";
for(int j = 0 ; w>j ; j++)
{
for(int i = 0 ; h/2>i ; i++)
{
ll x = a[i][j];
a[i][j]=a[h-i-1][j];
a[h-i-1][j]=x;
}
}
/*for(int i = 0 ; h>i ; i++)
for(int j = 0 ; w>j ; j++)
cout << a[i][j] << " ";*/
s1.clear();
s2.clear();
for(int i = 0 ; h>i ; i++)
s2.in(a[i][0]);
for(int i = 0 ; h>i ; i++)
{
s1.in(a[i][0]);
s2.erase(s2.find(a[i][0]));
auto it = s1.begin();
ll mnn1 = *it;
it = s1.end();
it--;
ll mxx1 = *it;
ll mnn2 = 1e10;
ll mxx2 = 0;
if(!s2.empty())
{
it = s2.begin();
mnn2=min(mnn2,*it);
it = s2.end();
it--;
mxx2=max(mxx2,*it);
}
//cout << i+1 << " " << mnn1 << " " << mxx1 << " " << mnn2 << " " << mxx2 << '\n';
ll ans1 = ans;
ans=min(ans,W(0,i+1,mnn1,mxx1,mnn2,mxx2));
if(ans1!=ans)
b[0]=i+1;
}
cans
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
105 ms |
348 KB |
Output is correct |
4 |
Correct |
53 ms |
344 KB |
Output is correct |
5 |
Correct |
106 ms |
344 KB |
Output is correct |
6 |
Correct |
23 ms |
348 KB |
Output is correct |
7 |
Correct |
108 ms |
348 KB |
Output is correct |
8 |
Correct |
111 ms |
348 KB |
Output is correct |
9 |
Correct |
108 ms |
436 KB |
Output is correct |
10 |
Correct |
112 ms |
452 KB |
Output is correct |
11 |
Correct |
109 ms |
436 KB |
Output is correct |
12 |
Correct |
107 ms |
348 KB |
Output is correct |
13 |
Correct |
107 ms |
348 KB |
Output is correct |
14 |
Correct |
113 ms |
432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
105 ms |
348 KB |
Output is correct |
4 |
Correct |
53 ms |
344 KB |
Output is correct |
5 |
Correct |
106 ms |
344 KB |
Output is correct |
6 |
Correct |
23 ms |
348 KB |
Output is correct |
7 |
Correct |
108 ms |
348 KB |
Output is correct |
8 |
Correct |
111 ms |
348 KB |
Output is correct |
9 |
Correct |
108 ms |
436 KB |
Output is correct |
10 |
Correct |
112 ms |
452 KB |
Output is correct |
11 |
Correct |
109 ms |
436 KB |
Output is correct |
12 |
Correct |
107 ms |
348 KB |
Output is correct |
13 |
Correct |
107 ms |
348 KB |
Output is correct |
14 |
Correct |
113 ms |
432 KB |
Output is correct |
15 |
Correct |
2 ms |
344 KB |
Output is correct |
16 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
17 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
105 ms |
348 KB |
Output is correct |
4 |
Correct |
53 ms |
344 KB |
Output is correct |
5 |
Correct |
106 ms |
344 KB |
Output is correct |
6 |
Correct |
23 ms |
348 KB |
Output is correct |
7 |
Correct |
108 ms |
348 KB |
Output is correct |
8 |
Correct |
111 ms |
348 KB |
Output is correct |
9 |
Correct |
108 ms |
436 KB |
Output is correct |
10 |
Correct |
112 ms |
452 KB |
Output is correct |
11 |
Correct |
109 ms |
436 KB |
Output is correct |
12 |
Correct |
107 ms |
348 KB |
Output is correct |
13 |
Correct |
107 ms |
348 KB |
Output is correct |
14 |
Correct |
113 ms |
432 KB |
Output is correct |
15 |
Correct |
2 ms |
344 KB |
Output is correct |
16 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
17 |
Halted |
0 ms |
0 KB |
- |