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 |
dp.....WA了, 检查了无数遍,找不到错。麻烦大家看一看好吗?#include <iostream> using namespace std; const int x[4]={1,-1,0,0},y[4]={0,0,1,-1}; int main() { int rep,i,j,p,r,c,a[101][101],l[101][101]; cin>>r>>c; for(i=0;i<r;i++)for(j=0;j<c;j++){cin>>a[i][j];l[i][j]=0;} for(;;){ rep=0; for(i=0;i<r;i++)for(j=0;j<c;j++){ for(p=0;p<4;p++)if(i+x[p]>=0&&i+x[p]<r&&j+y[p]>=0&&j+y[p]<c) if((a[i][j]-a[i+x[p]][j+y[p]]==1)&&(l[i][j]+1>l[i+x[p]][j+y[p]])){ l[i+x[p]][j+y[p]]=l[i][j]+1;rep=1; } } if(!rep)break; } rep=0; for(i=0;i<r;i++)for(j=0;j<c;j++)if(l[i][j]>rep)rep=l[i][j]; cout<<rep+1<<endl; } Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator