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Re:我也一次AC。。呵呵(附代码)In Reply To:我也一次AC。。呵呵(附代码) Posted by:TangMing at 2009-07-23 13:32:58 > DP很好,,可是还是用了16ms,0ms怎么得到》?
> 代码如下:
> #include<iostream>
> int map[110][110];
> int ans[110][110];
> int main()
> {
> int i,j,f,v;
> scanf("%d%d",&f,&v);
> memset(map,0,sizeof(map));
> for(i=1;i<=f;i++)
> for(j=1;j<=v;j++)
> scanf("%d",&map[i][j]);
> ans[1][1]=map[1][1];
> for(i=2;i<=v;i++)
> {
> if(ans[1][i-1]>map[1][i])ans[1][i]=ans[1][i-1];
> else ans[1][i]=map[1][i];
> }
> for(i=2;i<=f;i++)
> {
> ans[i][i]=ans[i-1][i-1]+map[i][i];
> for(j=i+1;j<=v;j++)
> {
> if(ans[i][j-1]>ans[i-1][j-1]+map[i][j])ans[i][j]=ans[i][j-1];
> else ans[i][j]=ans[i-1][j-1]+map[i][j];
> }
> }
> printf("%d\n",ans[f][v]);
> return 0;
> }
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