Online Judge | Problem Set | Authors | Online Contests | User | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest |
Re:我的方法貌似正确,结果WA,请指教下In Reply To:我的方法貌似正确,结果WA,请指教下 Posted by:mingruoyuan at 2009-01-22 16:39:23 > #include<stdio.h> > int main() > { > int k,i,j,n; > long sum,s[101][101]; > scanf("%d",&n); > for(i=1;i<=n;i++) > scanf("%ld",&s[i][i]); > for(i=2;i<n;i++) > for(j=1;j<=n-i;j++) > for(k=j+1;k<j+i;k++) > { > sum=s[j][k]+s[j][j]*s[k][k]*s[i+j][i+j]+s[k][i+j]; > if(s[j][i+j]==0||s[j][i+j]>sum) s[j][i+j]=sum; > } > printf("%ld",s[1][n]); > return 0; > } 这个程序中s数组既然是dp数组,没初值怎么行呢,当然要初始化为0才能ac了。 Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator