Submission #12100167


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#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define pi 3.141592653589793238
#define int long long
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;


signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);  
    cout.tie(0);   
#ifndef ONLINE_JUDGE
    if(fopen("INPUT.txt","r"))
    {
    freopen ("INPUT.txt" , "r" , stdin);
    freopen ("OUTPUT.txt" , "w" , stdout);
    }
#endif

// -------------------------------------Code starts here---------------------------------------------------------------------     

  int n,m;
  cin>>n>>m;
  int a[m];
  int s=0;
  for (int i = 0; i < m; i++)
  {
    cin>>a[i];
    s+=a[i];
  }
  n-=s;
  if(n<0)
    cout<<-1;
  else
    cout<<n;
 
// -------------------------------------Code ends here------------------------------------------------------------------
    clock_t clk;
  clk = clock();

    clk = clock() - clk;
  cerr << fixed << setprecision(6) << "Time: " << ((double)clk)/CLOCKS_PER_SEC << "\n";
  return 0;
}

Submission Info

Submission Time
Task B - Homework
User babayaga
Language C++ (GCC 9.2.1)
Score 200
Code Size 1206 Byte
Status AC
Exec Time 4 ms
Memory 3904 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 4
AC × 16
Set Name Test Cases
Sample sample_01, sample_02, sample_03, sample_04
All hand_01, hand_02, random_01, random_02, random_03, random_04, random_05, random_06, random_07, random_08, random_09, random_10, sample_01, sample_02, sample_03, sample_04
Case Name Status Exec Time Memory
hand_01 AC 2 ms 3740 KB
hand_02 AC 2 ms 3800 KB
random_01 AC 3 ms 3748 KB
random_02 AC 2 ms 3752 KB
random_03 AC 2 ms 3788 KB
random_04 AC 2 ms 3736 KB
random_05 AC 2 ms 3744 KB
random_06 AC 2 ms 3764 KB
random_07 AC 2 ms 3660 KB
random_08 AC 4 ms 3856 KB
random_09 AC 3 ms 3904 KB
random_10 AC 3 ms 3748 KB
sample_01 AC 2 ms 3804 KB
sample_02 AC 2 ms 3656 KB
sample_03 AC 2 ms 3752 KB
sample_04 AC 3 ms 3792 KB