ENG  RUS Timus Online Judge
Online Judge
Problems
Authors
Online contests
Site news
Webboard
Problem set
Submit solution
Judge status
Guide
Register
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules
back to board

## Discussion of Problem 1112. Cover

Getting wrong answer for test 1.. pls help
Posted by manishmmulani 22 Dec 2007 17:38
#include<stdio.h>

int main()
{
int a[101][101]={0} , i , j , count[101] , cc=0 , n , p[101][2]  , booll[101]={0} , k ,temp ,max, maxind;
int t1, t2 ;
scanf("%d",&n);        k=n;

for( i = 0 ; i < n ; i++ )
{
scanf("%d %d",&p[i][0] , &p[i][1]);
if( p[i][0] > p[i][1] ) {    temp = p[i][0] ; p[i][0] = p[i][1];    p[i][1] = temp;    }

for( j = 0 ; j < i ; j++ )
{
if( ( p[i][0] > p[j][0] && p[i][0] < p[j][1] ) || ( p[i][1] > p[j][0] && p[i][1] < p[j][1] )
|| ( p[j][0] > p[i][0] && p[j][0] < p[i][1] ) || ( p[j][1] > p[i][0] && p[j][1] < p[i][1] ))
{    a[i][j] = a[j][i] = 1;    count[i]++;    count[j]++;            }

}

booll[i]=1;
}

for( i = 0 ; i < n ; i++)
if(count[i]) cc++;

while( cc )
{
max = 0;    maxind = 0;
for( i = 0 ; i < n ; i++ )
if( count[i] > max && booll[i] ) {    max = count[i];     maxind = i;    }

i = maxind;
booll[i] = 0;    count[i]=0;        cc--;    k--;

for( j = 0 ; j < n ; j++ )
if( a[i][j] ){    a[i][j] = 0;    a[j][i] = 0;    count[j]--;        if(!count[j]) cc--;    }

}

for( i = 1 ; i < n ; i++ )
{
j=i-1;  temp = booll[i];    t1=p[i][0]  ; t2 = p[i][1];
while( j >= 0  && t1 < p[j][0] )
{   p[j+1][0] = p[j][0];    p[j+1][1] = p[j][1];    booll[j+1] = booll[j];      j--;    }

p[j+1][0] = t1;     p[j+1][1]=t2;   booll[j+1] = temp;
}

printf("%d\n",k);
for( i = 0 ; i < n ; i++ )
if( booll[i] )    printf("%d %d\n", p[i][0] , p[i][1] );

return 0;
}