Graf

#include <iostream>
#include <fstream>
using namespace std;
int a[101][101],x[101],n;
void citire(void)
{
    int i,j;
    ifstream f("matrice.in");
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        f>>a[i][j];
    f.close()}

void grade(void)
{int i,j;

for(i=1;i<=n;i++)
{
    x[i]=0;
    for(j=1;j<=n;j++)
x[i]=x[i]+a[i][j];
}
}

void noduri(void)
{
    int i;
    cout<<"{";
    for(i=1;i<=n;i++)
        cout<<i<<",";
    cout<<n<<"}";

}


void muchii(void)
{
    int i,j;   cout<<"{";
for(i=1;i<n;i++)
    for(j=i+1;j<=n;j++)
    if(a[i][j]==1)
    cout<<"("<<i<<","<<j<<")";
cout<<"}"<<endl;}


void afisaregrade(void)
{
    int i;
    for(i=1;i<=n;i++)
        cout<<x[i]<<" ";
    cout<<endl;
}


void varfuriizolate(void)
{
    int i,ok=0;
    for(i=1;i<=n;i++)
        if( x[i]==0)
        cout<<i<<" ";
    ok=1;}
    if(ok==0)
        cout<<"Nu exista varfuri izolate";
cout<<endl;


void varfuriterminale(void)
{
    int i,ok=0;
    for(i=1;i<=n;i++)
        if(x[i]==1)
       {

        cout<<i<<" "; ok=1;}
if(ok==0)
    cout<<"Nu exista varfuri terminale";
cout<<endl;}


void maxim(void)
{
    int i,max1=0;
    for(i=1;i<=n;i++)
        if(max1<x[i])
        max1=x[i];
    for(i=1;i<=n;i++)
        if(max1=x[i])
        cout<<i<<" ";
    cout<<endl;
}



int main()
{
int m;
citire();
grade();
do
{
    cout<<"1.Afisarea multime varfuri"<<endl;
    cout<<"2.Afisarea multimii muchiilor"<<endl;
    o
    o
    o
cout<<"7.Iesire"<<endl;
cin>>m;
if(m==1)
noduri();
if(m==2)
    muchii();
if(m==3)
    afisaregrade();
if(m==4)
    afisare();
if(m==5)
    varfuriterminale();
if(m==6)
    maxim();
while(m!=7);

}
    return 0;
}