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Re:BFS~152K 0MS 水过~~In Reply To:BFS~152K 0MS 水过~~ Posted by:fww at 2015-03-07 13:35:14 > #include<stdio.h>
> #include<string.h>
>
> int n;
> short trian[102][102];
> short max1[2][102]={0};
>
> int bfs(){
> int maxnum=0;
> int x,y;
> for(int i=1;i<n;++i)
> for(int j=0;j<i;++j)
> for(int k=0;k<2;++k){
> x=i+1;
> y=j+k;
> if(max1[x%2][y]<max1[i%2][j]+trian[x][y])
> max1[x%2][y]=max1[i%2][j]+trian[x][y];
> }
> for(int i=0;i<n;++i)
> if(max1[n%2][i]>maxnum)
> maxnum=max1[n%2][i];
> return maxnum;
> }
>
> int main(){
> scanf("%d",&n);
> for(int i=1;i<=n;++i)
> for(int j=0;j<i;++j)
> scanf("%d",&trian[i][j]);
> max1[1][0]=trian[1][0];
> printf("%d\n",bfs());
> return 0;
> }
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