Language: C++

#pragma GCC optimize(1)
#pragma GCC optimize(2)
#pragma GCC optimize(3)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")

#include<bits/stdc++.h>
using namespace std;
const int maxn =  1e6 + 10;
#define ll long long
#define ios std::ios::sync_with_stdio(false)
const ll INF(0x3f3f3f3f3f3f3f3fll);
const int inf(0x3f3f3f3f);
//#define int long long
#define pb(a) push_back(a)
#define debug(a) cout << "a : " << a << '\n'
#define mp(a , b) make_pair(a ,b)
template<typename T>void read(T &res){bool flag=false;char ch;while(!isdigit(ch=getchar()))(ch=='-')&&(flag=true);
for(res=ch-48;isdigit(ch=getchar());res=(res<<1)+(res<<3)+ch - 48);flag&&(res=-res);}
template<typename T>void Out(T x){if(x<0)putchar('-'),x=-x;if(x>9)Out(x/10);putchar(x%10+'0');}

int a[maxn];
int yin[maxn];
signed main()
{
   // ios,cin.tie(0);
    int n;
    read(n);
    for(int i = 1 ; i <= n ; i ++) read(a[i]);
    bool ok = true;
    int maxx = 0;
    sort(a + 1 , a + 1 + n);
    for(int i = 1 ; i <= n ; i ++) {
        int q = sqrt(a[i]);
        for(int j =  ; j <= q ; j ++){
            if(a[i] % j == 0){
                yin[j] ++;
                if(j != 1) maxx = max(maxx , yin[j]);
                if(yin[j] > 1 && j != 1) ok = false;
                if(a[i] / j != j){
                    yin[a[i] / j] ++;
                    if(a[i] / j != 1) maxx = max(maxx , yin[a[i] / j]);
                    if(yin[a[i] / j] > 1 && j != 1) ok = false;
                }
            }
        }
    }
    if(ok){
        cout << "pairwise coprime\n";
    }
    else{
        ok = true;
        if(maxx >= n) ok = false;
        if(ok){
            cout << "setwise coprime\n";
        }
        else{
            cout << "not coprime\n";
        }
    }
    return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:74:22: error: expected primary-expression before ';' token
   74 |         for(int j =  ; j <= q ; j ++){
      |                      ^