OJ-Problems-Source/HDOJ/2084.cpp

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2017-03-07 16:46:08 +08:00
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
/// This Contest and Compile does not support C++11.
//#include <thread>
//#include <mutex>
//#include <condition_variable>
//#include <functional>
using namespace std;
int box[105][105];
int dp[105][105];
int main()
{
int C;
cin>>C;
while(C--)
{
int n;
cin>>n;
memset(box,0,sizeof(box));
memset(dp,0,sizeof(dp));
for(int i=0;i<n;i++)
{
for(int j=0;j<=i;j++)
{
cin>>box[i][j];
}
}
dp[0][0]=box[0][0];
for(int i=1;i<n;i++)
{
dp[i][0]=box[i][0]+dp[i-1][0];
for(int j=0;j<i;j++)
{
dp[i][j]=box[i][j]+max(dp[i-1][j-1],dp[i-1][j]);
}
dp[i][i]=box[i][i]+dp[i-1][i-1];
}
int maxVal=-1;
for(int i=0;i<n;i++)
{
maxVal=max(maxVal,dp[n-1][i]);
}
cout<<maxVal<<endl;
}
return 0;
}