类似标号法，本质为贪心算法。 var a:array[1..maxn,1..maxn] of integer; b,pre:array[1..maxn] of integer; {pre[i]指最短路径上I的前驱结点} mark:array[1..maxn] of boolean; procedure dijkstra(v0:integer); begin fillchar(mark,sizeof(mark),false); for i:=1 to n do begin d[i]:=a[v0,i];