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PRoblem Description

Input

Output

Example Input

68 109 1611 1614 1510 147 11
Example Output
1,5,4#include<stdio.h>struct node{    int begin;    int end;    int ans;}show[111],t;int main(){    int n,i,j,ach[111];    while(~scanf("%d",&n))    {        for(i=0;i<n;i++)        {            scanf("%d%d",&show[i].begin,&show[i].end);            show[i].ans=i+1;        }        for(i=0;i<n;i++)        {            for(j=0;j<n-i-1;j++)            {                if(show[j].end>show[j+1].end)                {t=show[j];show[j]=show[j+1];show[j+1]=t;}            }        }        int num=0,k=0;        for(i=0;i<n;i++)        {            if(show[i].begin>=k)            {                k=show[i].end;                ach[num]=show[i].ans;                num++;            }        }        for(i=0;i<num;i++)        {            if(i==num-1) printf("%d/n",ach[i]);            else printf("%d,",ach[i]);        }    }    return 0;}