mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
47 lines
835 B
C++
47 lines
835 B
C++
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <cstring>
|
|
using namespace std;
|
|
int data[101][101];
|
|
bool vis[101][101];
|
|
int ans[101][101];
|
|
|
|
int d(int i,int j,int MaxDepth)
|
|
{
|
|
if(i==MaxDepth)
|
|
{
|
|
return data[i][j];
|
|
}
|
|
if(vis[i][j])
|
|
{
|
|
return ans[i][j];
|
|
}
|
|
int ret_a=d(i+1,j,MaxDepth);
|
|
int ret_b=d(i+1,j+1,MaxDepth);
|
|
int ret=(ret_a>ret_b)?(ret_a):(ret_b);
|
|
ret+=data[i][j];
|
|
ans[i][j]=ret;
|
|
vis[i][j]=true;
|
|
return ret;
|
|
}
|
|
int main()
|
|
{
|
|
int n;
|
|
scanf("%d",&n);
|
|
int t;
|
|
for(;n>0;n--)
|
|
{
|
|
scanf("%d",&t);
|
|
for(int i=1;i<=t;i++)
|
|
{
|
|
for(int j=1;j<=i;j++)
|
|
{
|
|
scanf("%d",&data[i][j]);
|
|
}
|
|
}
|
|
printf("%d\n",d(1,1,t));
|
|
memset(vis,false,sizeof(bool)*101*101);
|
|
}
|
|
return 0;
|
|
}
|