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Copy path10755-GarbageHeap.cpp
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10755-GarbageHeap.cpp
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#include<cstdio>
#include<cstring>
using namespace std;
long long sumrect[30][30][30];
long long sum2[30][30];
long long sum3[30];
int main()
{
int T,first = true;
scanf("%d",&T);
while(T--)
{
if(not first)
printf("\n");
first = false;
int a,b,c;
long long m = -2147483648LL;
scanf("%d %d %d",&a,&b,&c);
memset(sumrect,0,sizeof(sumrect));
for(int i=1;i<=a;i++)
for(int j=1;j<=b;j++)
for(int k=1;k<=c;k++)
scanf("%lld",&sumrect[i][j][k]);
for(int i1=1;i1<=a;i1++)
{
memset(sum2,0,sizeof(sum2));
for(int i2=i1;i2<=a;i2++)
{
for(int j=1;j<=b;j++)
for(int k=1;k<=c;k++)
sum2[j][k]+=sumrect[i2][j][k];
for(int j1=1;j1<=b;j1++)
{
memset(sum3,0,sizeof(sum3));
for(int j2=j1;j2<=b;j2++)
{
for(int k=1;k<=c;k++)
{sum3[k]+=sum2[j2][k];}
long long s = 0;
for(int k=1;k<=c;k++)
{
s+=sum3[k];
if(s>m) m = s;
if(s<0) s = 0;
}
}
}
}
}
printf("%lld\n",m);
}
return 0;
}