\u4e00\u5f00\u59cb\u5c45\u7136\u5fd8\u6dfb\u53cd\u5411\u8fb9\u2026\u2026<\/p>\n
\n<\/p>\n
Program P2516;\nconst\n maxn=100;\n maxm=100;\n maxk=100;\nvar\n n,m,k,i,j,l,maxflow:longint;\n need,prod:array[1..maxn,1..maxk] of longint;\n needk,prodk:array[1..maxk] of longint;\n fee:array[1..maxk,1..maxn,1..maxm] of longint;\n\n cost,map,f:array[0..200,0..200] of longint;\n\n b:array[0..200] of boolean;\n d,pre:array[0..200] of longint;\n q:array[1..500000] of longint;\nfunction min(a,b:longint):longint;\nbegin\n if a<b then exit(a) else exit(b);\nend;\nfunction max(a,b:longint):longint;\nbegin\n if a>b then exit(a) else exit(b);\nend;\n\nprocedure spfa;\nvar\n i,j,l,h,t,now:longint;\nbegin\n fillchar(d,sizeof(d),127);\n fillchar(b,sizeof(b),false);\n fillchar(pre,sizeof(pre),0);\n d[0]:=0;\n b[0]:=true;\n q[1]:=0;\n h:=1;t:=1;\n while h<=t do\n begin\n now:=q[h];\n for i:=0 to n+m+1 do\n if (map[now,i]-f[now,i]>0) then\n if (d[now]+cost[now,i]<d[i]) then\n begin\n d[i]:=d[now]+cost[now,i];\n pre[i]:=now;\n if not(b[i]) then\n begin\n b[i]:=true;\n inc(t);\n q[t]:=i;\n end;\n end;\n\n\n b[now]:=false;\n inc(h);\n end;\n\n\nend;\nfunction hllp:longint;\nvar\n i,j,l,flow,totalflow,p:longint;\n totalcost,nowcost:longint;\nbegin\n hllp:=0;\n totalflow:=0;\n totalcost:=0;\n while (true) do\n begin\n spfa;\n if d[n+m+1]=2139062143 then exit(totalcost);\n flow:=maxlongint;\n i:=n+m+1;\n\n repeat\n flow:=min(flow,map[pre[i],i]-f[pre[i],i]);\n i:=pre[i];\n until i=0;\n\n nowcost:=0;\n i:=n+m+1;\n repeat\n inc(f[pre[i],i],flow);\n f[i,pre[i]]:=-f[pre[i],i];\n inc(nowcost,cost[pre[i],i]);\n i:=pre[i];\n until i=0;\n inc(totalcost,nowcost*flow);\n end;\nend;\nfunction main:longint;\nvar\n i,j,l,s,t:longint;\nbegin\n main:=0;\n for i:=1 to k do if prodk[i]<needk[i] then exit(-1);\n for i:=1 to k do\n begin\n fillchar(cost,sizeof(cost),0);\n fillchar(map,sizeof(map),0);\n fillchar(f,sizeof(f),0);\n s:=0;\n t:=n+m+1;\n for j:=1 to m do map[s,j]:=prod[j,i];\n for j:=1 to n do map[m+j,t]:=need[j,i];\n for j:=1 to m do\n for l:=1 to n do\n begin\n map[j,m+l]:=prod[j,i];\n cost[j,m+l]:=fee[i,l,j];\n cost[m+l,j]:=-cost[j,m+l];\n end;\n main:=main+hllp;\n\n end;\n\nend;\nbegin\n while not seekeof do\n begin\n read(n,m,k);\n if (n=0) and (m=0) and (k=0) then break;\n\n fillchar(needk,sizeof(needk),0);\n fillchar(prodk,sizeof(prodk),0);\n\n for i:=1 to n do\n for j:=1 to k do\n begin\n read(need[i,j]);\n inc(needk[j],need[i,j]);\n end;\n for i:=1 to m do\n for j:=1 to k do\n begin\n read(prod[i,j]);\n inc(prodk[j],prod[i,j]);\n end;\n for i:=1 to k do\n for j:=1 to n do\n for l:=1 to m do\n begin\n read(fee[i,j,l]);\n end;\n writeln(main);\n\n\n\n end;\nend.\n<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u5f00\u59cb\u5c45\u7136\u5fd8\u6dfb\u53cd\u5411\u8fb9\u2026\u2026 Program P2516; const maxn=100; maxm=100; m […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[113],"class_list":["post-45","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-network_flow"],"yoast_head":"\n
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