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Discussion of Problem 1203. Scientific Conference

Please help me what is wrong
Posted by Tigran Hakobyan(1 course RAU) 7 Feb 2010 00:11
#include <iostream.h>
int maximum(int x[],int n)
{
    int i,max;
    max=x[0];
    for(i=0;i<n;i++)
    {
        if(max<x[i])
        {
            max=x[i];
        }
    }
    return max;
}
const int N=100;
int main()
{
    int x[N][2],i,j,total=1,min,max,n,y[N][2],c[N],b[N],g,h;
    cin>>n;
    if(n==0)
    {
        cout<<"0"<<endl;
    }
    else
    {
    for(i=0;i<n;i++)
    {
        for(j=0;j<2;j++)
        {
            cin>>x[i][j];
        }
    }
    int *u,l=0;
    u=new int [n];
    for(i=0;i<n;i++)
    {
        c[i]=x[i][0];
        b[i]=x[i][1];
    }
    for(i=0;i<n;i++)
    {
        for(j=n-1;j>i;j--)
        {
            if(c[j-1]>c[j])
            {
                g=c[j-1];
                h=b[j-1];
                c[j-1]=c[j];
                b[j-1]=b[j];
                c[j]=g;
                b[j]=h;
            }
        }
    }
    for(i=0;i<n;i++)
    {
        x[i][0]=c[i];
        x[i][1]=b[i];
    }
    for(i=0;i<n;i++)
    {
        for(j=0;j<2;j++)
        {
            y[i][j]=x[i][j];
        }
    }
    for(i=0;i<n;i++)
    {
        max=x[i][1];
        for(j=0;j<n;j++)
        {
            if(max<y[j][0])
            {
                total++;
                max=y[j][1];
            }
        }
        u[l]=total;
        l++;
        total=1;
    }
    cout<<maximum(u,l)<<endl;
    }
    return 0;
}