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- #include <iostream>
- #include <fstream>
- #include<cstdlib>
- using namespace std;
- ifstream f("graf_complet.in");
- ofstream g("graf_complet.out");
- int mx,mn,m,n,a[101][101],d[101],s;
- void citire()
- {
- }
- void afisare()
- {
- mx=mn=d[1];
- for(int i=2; i<=n; i++)
- {
- mx=max(mx,d[i]);
- mn=min(mn,d[i]);
- }
- for(int i=1; i<n; i++)
- for(int j=i+1; j<=n; j++)
- if(a[i][j])
- if(d[i]==mx || d[j]==mx)
- {
- m++;
- a[i][j]=a[j][i]=0;
- }
- g<<m<<'\n';
- for(int i=1; i<=n; i++)
- {
- for(int j=1; j<=n; j++)
- g<<a[i][j]<<" ";
- g<<'\n';
- }
- }
- int main()
- {int nr,m1=0;
- f>>nr;
- int x,y;
- for(int l=1; l<=nr; l++)
- { m1=0;
- f>>n;
- m=n*(n-1)/2;
- for(int i=1; i<=n; i++)
- for(int j=1; j<=n; j++)
- {
- f>>a[i][j];
- if(a[i][j])
- m1++;
- }
- if(m==m1/2)
- g<<"DA"<<endl;
- else g<<"NU"<<endl;
- }
- return 0;
- }
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