70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
#include <cstdio>
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#include <cstring>
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#define MAXNUM 1005
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int num1[MAXNUM][MAXNUM];
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int num2[MAXNUM][MAXNUM];
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int sum1[MAXNUM][MAXNUM];
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int sum2[MAXNUM][MAXNUM];
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int main(void)
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{
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int n,m;
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memset(sum1,0,sizeof(sum1));
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memset(sum2,0,sizeof(sum2));
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while (~scanf("%d%d",&n,&m))
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{
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for(int i=1; i<=n; i++)
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for(int j=1; j<=n; j++)
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{
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scanf("%d",&num1[i][j]);
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sum1[i][j] = num1[i][j] + sum1[i][j-1] + sum1[i-1][j] - sum1[i-1][j-1];
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}
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for(int i=1; i<=m; i++)
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for(int j=1; j<=m; j++)
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{
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scanf("%d",&num2[i][j]);
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sum2[i][j] = num2[i][j] + sum2[i][j-1] + sum2[i-1][j] - sum2[i-1][j-1];
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}
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bool flag = false;
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for(int i=m; i<=n; i++)
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{
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for(int j=m; j<=n; j++)
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{
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if (sum2[m][m] == sum1[i][j] - sum1[i][j-m] - sum1[i-m][j] + sum1[i-m][j-m])
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{
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int k;
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for(k=1; k<=m; k++)
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if (sum2[k][k] != (sum1[i-m+k][j-m+k] - sum1[i-m][j-m+k] - sum1[i-m+k][j-m] + sum1[i-m][j-m]))
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{
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break;
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}
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if (k > m)
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{
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for(k=1; k<=m; k++)
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{
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int l;
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for(l=1; l<=m; l++)
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{
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if (num2[k][l] != num1[i-m+k][j-m+l])
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{
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break;
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}
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}
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if (l <= m)
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break;
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}
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if (k > m)
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flag = true;
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}
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}
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if (flag)
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break;
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}
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}
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if (flag)
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printf("Yes\n");
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else
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printf("No\n");
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}
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return 0;
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}
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