HDU 5092 DP

#include "stdio.h"
#include "string.h"

int inf=0x3f3f3f3f;

struct node
{
int x,y;
}dp[110][110];
int main()
{
int Case,ii,i,j,n,m,ans;
int a[110][110];
scanf("%d",&Case);
for (ii=1;ii<=Case;ii++)
{
scanf("%d%d",&n,&m);
for (i=1;i<=n;i++)
for (j=1;j<=m;j++)
scanf("%d",&a[i][j]);

memset(dp,inf,sizeof(dp));

for (i=1;i<=m;i++)
dp
[i].x=a
[i];

for (i=n-1;i>=1;i--)
for (j=1;j<=m;j++)
{
dp[i][j].x=dp[i+1][j].x+a[i][j];
dp[i][j].y=j;

if (j-1>=1 && dp[i+1][j-1].x+a[i][j]<dp[i][j].x)
{
dp[i][j].x=dp[i+1][j-1].x+a[i][j];
dp[i][j].y=j-1;
}

if (j+1<=m && dp[i+1][j+1].x+a[i][j]<=dp[i][j].x)
{
dp[i][j].x=dp[i+1][j+1].x+a[i][j];
dp[i][j].y=j+1;
}
}
ans=inf;
for (i=1;i<=m;i++)
if (dp[1][i].x<=ans)
{
ans=dp[1][i].x;
j=i;
}
printf("Case %d\n",ii);
printf("%d",j);
for (i=1;i<n;i++)
{
j=dp[i][j].y;
printf(" %d",j);
}
printf("\n");
}
return 0;
}