Submission #899449

#	Time	Username	Problem	Language	Result	Execution time	Memory
899449		HamzaT	Radio (COCI22_radio)	C++14	0 / 110	1558 ms	1364 KiB

Main

//struct Edge {int u, v, weight;bool operator<(Edge const& other) {return weight < other.weight;}};
#include <bits/stdc++.h>
#define endl "\n"
#define ll long long
#define sp ' '
#define pb push_back
#define ar for(int i=1;i<=n;i++)
using namespace std;
ll t=1;
const ll N=3e5+100;
ll n,m,q,k;
ll a[N],b[N],c[N];
void solve()
{
    cin>>n>>m;
    while(m--)
    {
        char c;
        cin>>c;
        if(c=='S'){ll x;cin>>x;a[x]=abs(a[x]-1);}
        else
            {
                ll l,r;cin>>l>>r;
                bool ok=false;
                for(ll i=2;i*i<=n;i++)
                {
                    ll num=0;
                    for(int j=i;j<=n;j+=i){if(a[j]&&j>=l&&j<=r){num++;}}
                    if(num>=2){ok=true;}
                }
                if(ok){cout<<"DA"<<endl;}
                else{cout<<"NE"<<endl;}
            }
    }
    return;
    
}
int main()
{
    //freopen("shell.in", "r", stdin);
   // freopen("shell.out", "w", stdout);
    ios::sync_with_stdio(NULL);
    cin.tie(NULL);cout.tie(NULL);
    // cin>>t;
    while(t--){solve();}
    return 0;
}
//09:00 :: 9:45
//10:30 ::

• Subtask 1: 0 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 70