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CodeForces 669C Little Artem and Matrix GNU

模拟。

把操作记录一下,倒着复原回去。

#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-6;void File(){    freopen("D:\\in.txt","r",stdin);    freopen("D:\\out.txt","w",stdout);}template <class T>inline void read(T &x){    char c=getchar(); x=0;    while(!isdigit(c)) c=getchar();    while(isdigit(c)) {x=x*10+c-0; c=getchar();}}const int maxn=110;int n,m,q;int ans[maxn][maxn];int op[10010],r[10010],c[10010],v[10010];int main(){    scanf("%d%d%d",&n,&m,&q);    for(int i=1;i<=q;i++)    {        scanf("%d",&op[i]);        if(op[i]==1) scanf("%d",&r[i]);        else if(op[i]==2) scanf("%d",&c[i]);        else scanf("%d%d%d",&r[i],&c[i],&v[i]);    }    for(int i=q;i>=1;i--)    {        if(op[i]==3) ans[r[i]][c[i]]=v[i];        else if(op[i]==1)        {            for(int j=m;j>1;j--)                swap(ans[r[i]][j],ans[r[i]][j-1]);        }        else        {            for(int j=n;j>1;j--)                swap(ans[j][c[i]],ans[j-1][c[i]]);        }    }    for(int i=1;i<=n;i++){        for(int j=1;j<=m;j++)            printf("%d ",ans[i][j]);        printf("\n");    }    return 0;}

 

CodeForces 669C Little Artem and Matrix GNU