include <bits/stdc++.h>

using namespace std;
long long n,a[10000000],m,ans=0;
int main()
{

cin>>m>>n;
for (int i=1;i<=n;i++)
{
    cin>>a[i];
    ans+=a[i];
}
if (ans%m==0) cout<<ans/m;
else cout<<(ans/m)+1;
return 0;

}

include<iostream>

using namespace std;
int main(){
int a,b,A,B;
float c,C;
cin>>a,b;
for (int i=1;i<=a;i++){
if(a%i==0){
A=A+i;
}
}
for (int j=1;j<=b;j++){
if(b%j==0){
B=B+j;
}
}
c=a;
C=A;
if (a/A==b/B){
while(c!=C){
if(c>C){
c=c-C;
}
else{
C=C-c;
}
}
cout<<A/c<<endl<<a/c;
}else{
cout<<"Khong phai la so than thien";
}
}

cin ckao:3

HS lớp 8

n=int(input())
while not n == 1:
print(n, end= ' ')
if n%2==0:
n //= 2
else:
n *= 3
n += 1
if n == 1:
print(n, end=' ')