1 Http://www.372x.com/mh/photo/0711/5542210001.jpg

Easy Nudeactressworld N Juggs En 1 Nude Actress World 【NOI2008】 志愿者招募 - datam - 博客园

Easy Nudeactressworld N Juggs En 1 Nude Actress World

16 Juggs nsearchmsearchasearchs Juggs a Easy c Nudeactressworld l Juggs e Easy r Nudeactressworld Nudeactressworld u Easy ecr searchde Nudeactressworld ersearchJugs Nudeactressworld hs Juggs a Nudeactressworld csearchrs Juggs w Juggs rlsearch swrl Juggs Easy searchu Nudeactressworld e0c1rsearchssearchw1336833725015_Rrlsearch Juggs Juggs assearch c Nudeactressworld Jsearchgg Easy Nudeactressworld sea Easy cher Nudeactressworld h Nudeactressworld avniaou Nudeactressworld gsearch Juggs assearch 17 g,now,cnt:array[0..maxn] of longint; 18 t:array[0..maxn] of ty; 19 //======================== 20 procedure built; 21 var 22 i,j:longint; 23 begin 24 read(n,m); 25 for i:=1 to n do read(g[i]); 26 for i:=1 to m do 27 begin 28 read(t[i].x,t[i].y,t[i].v); 29 for j:=t[i].x to t[i].y do inc(cnt[j]); 30 end; 31 end; 32 //======================== 33 procedure find(x,v:longint); 34 var 35 i,j,k,max:longint; 36 begin 37 if v>=ans then exit; 38 if x=m+1 then 39 begin 40 if ans>v then ans:=v; 41 exit; 42 end; 43 max:=0; 44 for j:=t[x].x to t[x].y do 45 begin 46 dec(cnt[j]); 47 if max<g[j] then max:=g[j]; 48 end; 49 for i:=max downto 0 do 50 begin 51 for j:=t[x].x to t[x].y do 52 begin 53 inc(now[j],i); 54 if (cnt[j]=0)and(now[j]<g[j]) then 55 begin 56 for k:=t[x].x to j do dec(now[k],i); 57 for k:=t[x].x to t[x].y do inc(cnt[k]); 58 exit; 59 end; 60 end; 61 find(x+1,v+t[x].v*i); 62 for j:=t[x].x to t[x].y do dec(now[j],i); 63 end; 64 for j:=t[x].x to t[x].y do inc(cnt[j]); 65 end; 66 //======================== 67 begin 68 assign(input,'employee.in'); reset(input); 69 assign(output,'employee.out'); rewrite(output); 70 built; 71 ans:=maxlongint; 72 find(1,0); 73 writeln(ans); 74 close(input); close(output); 75 end.

 

解法2:网络流
 1 (*
 2  *Problem: NOI2008 自愿者招募
 3  *Author : Chen Yang
 4  *Time  : 2012.5.18
 5  *State : AC
 6  *Memo : 网络流
 7 *)
 8 program employee;
 9 uses math;
 10 const max=100000000;
 11  maxn=2020;
 12 type
 13  ty1=^ty2;
 14  ty2=record
 15  x,f,v,fa:longint;
 16  next,up:ty1;
 17  end;
 18 
 19 var
 20  n,m,s,t,flow,tot,ans:longint;
 21  first,fa:array[0..maxn] of ty1;
 22  dui,dis,mflow:array[0..maxn] of longint;
 23  get:array[0..maxn] of boolean;
 24 //==================
 25 procedure insert(x,y,f,v:longint);  inline;
 26 var
 27  p,q:ty1;
 28 begin
 29  new(p);
 30  p^.x:=y; p^.f:=f; p^.v:=v; p^.fa:=x;
 31  p^.next:=first[x]; first[x]:=p;
 32  new(q);
 33  q^.x:=x; q^.f:=0; q^.v:=-v; q^.fa:=y;
 34  q^.next:=first[y]; first[y]:=q;

uEasy Nudeactressworld N Juggs En 1 Nude Actress World 【NOI2008】 志愿者招募 - datam - 博客园z h 1 Nude Actress World
zEasy Nudeactressworld N Juggs En 1 Nude Actress World 【NOI2008】 志愿者招募 - datam - 博客园j d Nude Actress World Www.twistys.com