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:贴个一维的滚动数组(C++提交 156K)In Reply To:贴个一维的滚动数组(C++提交 156K) Posted by:lovai at 2010-11-27 14:21:04 > 真是不明白为啥用C++提交内存占用少几百k,oj是怎么算出内存消耗的啊 难道不仅和实际使用的有关还和编译系统有很大关系?? > #include <stdio.h> > #include <string.h> > int main() > { > char a[5002]; > int f[5002]; > int i,j,n,t,tp; > scanf("%d%s",&n,a+1); > > memset(f,0,sizeof(f)); > for(i=1;i<=n;i++){ > tp=0; //f[i-1,j-1]复位,一开始忘记了,老是wa,郁闷 > for(j=n;j>=1;j--){ > if(a[i]==a[j]){ > t=f[j]; > f[j]=tp+1; //f[i,j]=f[i-1,j-1]+1 > tp=t; > } > else{ > tp=f[j]; > if(f[j]<f[j+1]) f[j]=f[j+1]; //f[i-1,j]<f[i,j-1] > } > } > } > printf("%d\n",n-f[1]); > return 0; > } Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator