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Cod sursa(job #952248)
#include<fstream>
using namespace std;
ifstream f("tablete.in"); ofstream g("tablete.out");
int n, k, i, j, w, a[1001][1001];
int main(){
f>>n>>k;
w=1;
if(k%2==0){
for(i=1; i<=n; ++i)
for(j=1; j<=k; ++j)
{a[i][j]=w; ++w;}
for(i=1; i<=n; ++i)
for(j=k+1; j<=n; ++j)
{a[i][j]=w; ++w;}
}
else{
for(i=1; i<=n; ++i)
for(j=1; j<=k; ++j)
if(i%2==1 && j==k) {a[i][j]=w+1; ++w;}
else if(a[i-1][k]==w && i%2==0) {a[i][j]=w-1; ++w;}
else {a[i][j]=w; ++w;}
for(i=1; i<=n; ++i)
for(j=k+1; j<=n; ++j)
if(n%2==1 && i==1 && j==k+1) {a[i][j]=w-1; w++;}
else {a[i][j]=w; ++w;}
}
for(i=1; i<=n; ++i)
{for(j=1; j<=n; ++j)
g<<a[i][j]<<' ';
g<<'\n';
}
return 0;
}