Pagini recente » Cod sursa (job #1132819) | Cod sursa (job #2456615) | Cod sursa (job #2339557) | Cod sursa (job #3232069) | Cod sursa (job #2878507)
#include <bits/stdc++.h>
using namespace std;
const int N=1001;
int v[N][N],maxx[N][N],minn[N][N];
deque <int>dmax,dmin;
int dx,dy,x,y,val,nr;
void solve(int a,int b)
{
for(int j=0;j<y;j++)
{
dmax.clear();
dmin.clear();
for(int i=0;i<x;i++)
{
if(!dmax.empty() && dmax.front()==i-a)
{
dmax.pop_front();
}
if(!dmin.empty() && dmin.front()==i-a)
{
dmin.pop_front();
}
while(!dmax.empty() && v[dmax.back()][j]<=v[i][j])
{
dmax.pop_back();
}
while(!dmin.empty() && v[dmin.back()][j]>=v[i][j])
{
dmin.pop_back();
}
dmax.push_back(i);
dmin.push_back(i);
if(i>=a-1)
{
maxx[i][j]=v[dmax.front()][j];
minn[i][j]=v[dmin.front()][j];
}
}
}
/*for(int j=0;j<y;j++)
{
for(int i=a-1;i<x;i++)
{
cout<<minn[i][j]<<" ";
}
cout<<"\n";
}
*/
for(int i=a-1;i<x;i++)
{
dmax.clear();
dmin.clear();
for(int j=0;j<y;j++)
{
if(!dmax.empty() && dmax.front()==j-b)
{
dmax.pop_front();
}
if(!dmin.empty() && dmin.front()==j-b)
{
dmin.pop_front();
}
while(!dmax.empty() && maxx[i][j]>=maxx[i][dmax.back()])
{
dmax.pop_back();
}
while(!dmin.empty() && minn[i][j]<=minn[i][dmin.back()])
{
dmin.pop_back();
}
dmax.push_back(j);
dmin.push_back(j);
int diff=maxx[i][dmax.front()]-minn[i][dmin.front()];
if(diff==4){cout<<i<<" "<<j<<"\n";}
if(j>=b-1)
{
if(diff==val)
{
nr++;
}
if(diff<val)
{
nr=1;
val=diff;
}
}
}
}
}
int main()
{
ios::sync_with_stdio(false);
ifstream fin("struti.in");
ofstream fout("struti.out");
int n;
fin>>y>>x>>n;
for(int i=0;i<y;i++)
{
for(int j=0;j<x;j++)
{
fin>>v[j][i];
}
}
for(int i=0;i<n;i++)
{
fin>>dx;
fin>>dy;
nr=0;
val=1e4;
solve(dx,dy);
if(dx!=dy)
{
solve(dy,dx);
}
cout<<"da\n";
fout<<val<<" "<<nr<<"\n";
}
return 0;
}