Language: C++

/* � Ashiq Uddin Pranto
   Department of Computer Science and Engineering
   BATCH 27
   University Of Rajshahi,Bangladesh
*/
#include<bits/stdc++.h>

#define ll long long
#define ld long double
#define FOR(x,y) for(ll i=x;i<=y;i++)
#define pb(x) push_back(x)
#define mp make_pair
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vii vector<int>
#define vll vector<ll>
#define matrix(x) vector<vector<x>>
#define vss vector<string>
#define PI (2*acos(0.0))
#define sqr(x) ((x)*(x))
#define sf(a)   scanf("%d",&a)
#define sfl(a)  scanf("%lld",&a)
#define sff(a,b)    scanf("%d %d",&a,&b)
#define sffl(a,b)   scanf("%lld %lld",&a,&b)
#define sfff(a,b,c) scanf("%d %d %d",&a,&b,&c)
#define sfffl(a,b,c)    scanf("%lld %lld %lld",&a,&b,&c)
#define ms(a,b) memset(a, b, sizeof(a))
#define ff  first
#define ss  second
#define lcm(a, b)   ((a)*((b)/__gcd(a,b)))
#define all(a)  a.begin(),a.end()
#define readfile freopen("input.txt","r",stdin);
#define writefile freopen("output.txt","w",stdout);
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
#define gap " "
#define mx 104
#define inf (ll)1e9
#define WHITE 1
#define GRAY 2
#define BLACK 3
#define EMPTY_VALUE -1
#define mod 1000000007
#define MOD(a,b) (a%b + b)%b

using namespace std;

void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif


int main()
{
    //fastio
    ll n;
    sfl(n);
    vll a(n,0);
    for(ll i=0;i<n;i++) sfl(a[i]);
    ll setwiseprime = a[0];
    for(ll i=0;i<n;i++) setwiseprime = __gcd(setwiseprime,a[i]);
    vll primefactor(1000006,0);
    ll checker = 1;
    for(ll i=0;i<n;i++)
    {
        2
        ll sqr=sqrt(a[i]);
        for(ll j=1;j<=sqr;j++)
        {
            if(a[i]%j==0)
            {
                
                if(primefactor[j]>0 || primefactor[a[i]/j]>0)
                {
                    checker = -1;
                    break;
                }
                if(j==1) primefactor[a[i]/j]++;
                else
                {
                    primefactor[j]++;
                    primefactor[a[i]/j]++;
                }
                
            }
        }
        if(checker==-1) break;
    }
    if(checker==-1)
    {
        if(setwiseprime==1) printf("setwise coprime\n");
        else printf("not coprime\n");
    }
    else printf("pairwise coprime\n");

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:88:10: error: expected ';' before 'long'
   88 |         2
      |          ^
      |          ;
a.cc:90:23: error: 'sqr' was not declared in this scope
   90 |         for(ll j=1;j<=sqr;j++)
      |                       ^~~