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c_cpp
3 years ago
806 B
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#include <iostream> #include <bits/stdc++.h> using namespace std; int main() { // your code goes here long long int t,n,x,final_sum; cin>>t; while(t--) { cin>>n>>x; long long int coins[n]; for(int i=0;i<n;i++) { cin>>coins[i]; } sort(coins,coins+n,greater<int>()); long long int count_coins=0; long long int temp_sum=0; for(int i=0;i<n;i++) { if(temp_sum<x) { temp_sum+=coins[i]; count_coins++; } else if (temp_sum>=x) { cout<<count_coins<<endl; break; } final_sum=temp_sum; } if (final_sum<x) cout<<(-1)<<endl; } return 0; }
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