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- #include <iostream.h>
- #include <fstream.h>
- int a[20][20];
- int main (){
- int i,j,k,x,y,n,m,drum[20],d=0,s[20],vf=1,l,ok,c,viz[20];
- ifstream f("in.txt");
- f>>n>>m;
- for(i=1;i<=m;i++){
- f>>x>>y;
- a[x][y]=1;
- }
- f>>x>>y;
- for(k=1;k<=n;k++)
- for(i=1;i<=n;i++)
- for(j=1;j<=n;j++)
- if(!a[i][j] && i!=k && j!=k && a[i][k] && a[k][j]){
- a[i][j]=1;
- if(i==x && j==y){
- for(l=1;l<=n;l++)
- viz[l]=0;
- s[vf]=x;
- viz[x]=1;
- c=0;
- while(s[vf]!=y){
- ok=0;
- for(l=1;l<=n;l++)
- if(a[s[vf]][l]==1 && viz[l]==0){
- ok=1;
- break;
- }
- if(!ok)
- vf--;
- else{
- vf++;
- viz[l]=1;
- s[vf]=l;
- c++;
- }
- d++;
- drum[d]=c;
- }
- }
- }
- for(i=1;i<=d;i++)
- cout<<drum[i]<<" ";
- f.close();
- }
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