Mark and Toys
#include <bits/stdc++.h>using namespace std;
int main()
{
int n,k;
scanf("%d%d",&n,&k);
int a[n],i,c=0,bill=0;
for(i=0;i<n;i++)
scanf("%d",&a[i]);
sort(a,a+n);
for(i=0;i<n;i++)
{
bill=bill+a[i];
if(bill>k)
break;
else
c++;
}
printf("%d",c);
}
Priyanka and Toys
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
scanf("%d",&n);
int a[n],i;
for(i=0;i<n;i++)
scanf("%d",&a[i]);
sort(a,a+n);
int minwt=a[0];
int noc=1;
for(i=0;i<n;i++)
{
if(a[i]<=4+minwt)
continue;
noc++;
minwt=a[i];
}
printf("%d",noc);
return 0;
}
Jim and the Orders
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
scanf("%d",&n);
int i;
vector<pair<int,int>> v;
int ono, ptime;
for(i=0;i<n;i++)
{
scanf("%d%d",&ono,&ptime);
v.push_back(make_pair(ono+ptime,i+1));
}
sort(v.begin(),v.end());
for(i=0;i<n;i++)
printf("%d ",v[i].second);
}