CodeForces 706E Working routine

#pragma comment(linker, "/STACK:1024000000,1024000000")
#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
#include<queue>
#include<stack>
#include<iostream>
using namespace std;
typedef long long LL;
const double pi=acos(-1.0),eps=1e-8;
void File()
{
    freopen("D:\\in.txt","r",stdin);
    freopen("D:\\out.txt","w",stdout);
}

const int maxn=1010;
int n,m,k,sz;
struct X { int u,d,l,r,v; }s[maxn*maxn];
int a[maxn*maxn],id[maxn][maxn];

int main()
{
    scanf("%d%d%d",&n,&m,&k);

    for(int i=0;i<=n;i++) id[i][0]=sz++; for(int j=1;j<=m;j++) id[0][j]=sz++;
    for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) id[i][j]=sz++;
    for(int i=1;i<=n;i++) id[i][m+1]=sz++; for(int j=1;j<=m;j++) id[n+1][j]=sz++;

    for(int i=0;i<=n+1;i++)
    {
        for(int j=0;j<=m+1;j++)
        {
            s[id[i][j]].l=-1; s[id[i][j]].r=-1; s[id[i][j]].u=-1; s[id[i][j]].d=-1;

            if(j-1>=0) s[id[i][j]].l=id[i][j-1]; if(j+1<=m+1) s[id[i][j]].r=id[i][j+1];
            if(i-1>=0) s[id[i][j]].u=id[i-1][j]; if(i+1<=n+1) s[id[i][j]].d=id[i+1][j];
        }
    }

    for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) scanf("%d",&s[id[i][j]].v);

    for(int i=1;i<=k;i++)
    {
        int r1,c1,r2,c2,h,w;
        scanf("%d%d%d%d%d%d",&r1,&c1,&r2,&c2,&h,&w);

        int p1,p2,t1,t2,t3,t4,P1,P2;

        p1=r1,p2=r2; 
        for(int j=1;j<=c1;j++) p1=s[p1].r; for(int j=1;j<=c2;j++) p2=s[p2].r;

        P1=p1,P2=p2;
        for(int j=1;j<=w-1;j++) P1=s[P1].r; for(int j=1;j<=w-1;j++) P2=s[P2].r;
        for(int j=1;j<=h-1;j++) P1=s[P1].d; for(int j=1;j<=h-1;j++) P2=s[P2].d;

        t1=p1,t2=p2; t3=s[p1].l; t4=s[p2].l;
        for(int j=1;j<=h;j++) swap(s[t1].l,s[t2].l), t1=s[t1].d, t2=s[t2].d;
        for(int j=1;j<=h;j++) swap(s[t3].r,s[t4].r), t3=s[t3].d, t4=s[t4].d;

        t1=p1,t2=p2; t3=s[p1].u; t4=s[p2].u;
        for(int j=1;j<=w;j++) swap(s[t1].u,s[t2].u), t1=s[t1].r, t2=s[t2].r;
        for(int j=1;j<=w;j++) swap(s[t3].d,s[t4].d), t3=s[t3].r, t4=s[t4].r;

        p1=P1,p2=P2;

        t1=p1,t2=p2; t3=s[p1].d; t4=s[p2].d;
        for(int j=1;j<=w;j++) swap(s[t1].d,s[t2].d), t1=s[t1].l, t2=s[t2].l;
        for(int j=1;j<=w;j++) swap(s[t3].u,s[t4].u), t3=s[t3].l, t4=s[t4].l;

        t1=p1,t2=p2; t3=s[p1].r; t4=s[p2].r;
        for(int j=1;j<=h;j++) swap(s[t1].r,s[t2].r), t1=s[t1].u, t2=s[t2].u;
        for(int j=1;j<=h;j++) swap(s[t3].l,s[t4].l), t3=s[t3].u, t4=s[t4].u;

    }
    for(int i=1;i<=n;i++)
    {
        int p=i;
        for(int j=1;j<=m;j++)
            p=s[p].r, printf("%d ",s[p].v);
        printf("\n");
    }

    return 0;
}