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## Discussion of Problem 1112. Cover

What's wrong with my code??? Who can help me!!!
Posted by Steve Francis 3 Mar 2003 17:06
#include <iostream.h>
int a[2000],q[2000],o[2000];
int check(int i)
{
int j;
for (j=i+1; j<a[i]; j++)
{
if (q[j]!=0) return 0;
}
for (j=i; j<=a[i]; j++)
q[j]=1;
return 1;
}
int main()
{
int i,n,left,right,p;
cin>>n;
for (i=0; i<2000; i++) {a[i]=0; q[i]=0; o[i]=0;}
for (i=0; i<n; i++)
{
cin>>left>>right;
if (left>right)
{
p=left;
left=right;
right=p;
}
if (a[left+1000]==0) a[left+1000]=right+1000;
else if (a[left+1000]>right+1000) a[left+1000]=right+1000;
}
p=0;
for (i=0; i<2000; i++)
if ((a[i])&&(check(i)))
{
p++;
o[i]=1;
}
cout<<p<<endl;
for (i=0; i<2000; i++)
if (o[i])
cout<<i-1000<<' '<<a[i]-1000<<endl;
}
Test for everyone who got WA !!!
Posted by Saber 3 Mar 2003 18:22
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`
5
1 2
2 6
3 4
4 5
5 6
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Saber
ssf_digi@hotmail.com