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这个题也可以不用动态规划。。。附代码从下往上算。
0MS
#include <stdio.h>
int n,data[105][105],step[105][105];
int main()
{
int i,j,t,max=-1;
scanf("%d",&n);
for(i=0;i<n;i++)
{
for(j=0;j<=i;j++)
{
scanf("%d",&data[i][j]);
step[i][j]=-1;
}
}
for(i=0;i<n;i++)
step[n-1][i]=data[n-1][i];
for(i=n-2;i>=0;i--)
{
for(j=0;j<=i;j++)
{
max=0;
t=step[i+1][j]+data[i][j];
if(max<t)
max=t;
t=step[i+1][j+1]+data[i][j];
if(max<t)
max=t;
step[i][j]=max;
}
}
printf("%d",step[0][0]);
return 0;
}
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