67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
#include<iostream>
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#include<cstring>
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#include<algorithm>
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using namespace std;
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#define max(a,b) (a>b?a:b)
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#define smax(a,b,c) (max(max(a,b),c))
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int a[22][1010];
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int main()
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{
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int t,i,j,han,lie,maxq,k;
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while(~scanf("%d",&t))
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{
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while(t--)
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{
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memset(a,0,sizeof(a));
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scanf("%d %d",&han,&lie);
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for(i=1;i<=han;i++)
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{
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for(j=1;j<=lie;j++)
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{
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scanf("%d",&a[i][j]);
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}
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}
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for(i=1;i<=han;i++)
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{
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for(j=1;j<=lie;j++)
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{
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if(i==1)
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{
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if(j==1);
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else
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{
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maxq=-200;
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for(k=1;k<j;k++)
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{
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if(j%k==0)
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{
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if(a[i][k]>maxq)maxq=a[i][k];
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}
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}
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a[i][j]+=max(a[i][j-1],maxq);
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}
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}
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else
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{
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if(j==1)a[i][j]+=a[i-1][j];
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else
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{
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maxq=-200;
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for(k=1;k<j;k++)
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{
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if(j%k==0)
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{
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if(a[i][k]>maxq)maxq=a[i][k];
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}
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}
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a[i][j]+=smax(a[i-1][j],a[i][j-1],maxq);
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}
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}
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}
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}
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printf("%d\n",a[han][lie]);
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}
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}
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return 0;
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}
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