Submission #489681

#	Time	Username	Problem	Language	Result	Execution time	Memory
489681		inksamurai	Vepar (COCI21_vepar)	C++17	70 / 70	790 ms	169400 KiB

Main

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _3oIUrY0 ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;

const int _n=1e7+20;
ll a[_n+10],b[_n+10];
bool sv[_n+10];

int main(){
_3oIUrY0;
	for(int i=2;i<=_n;i++){
		if(sv[i]) continue;
		for(int j=2*i;j<=_n;j+=i){
			if(sv[j]==0) sv[j]=i;
		}
	}
	vi prms;
	for(int i=2;i<=_n;i++){
		if(!sv[i]){
			prms.pb(i);
		}
	}
	auto f=[&](int prm,int n)->ll{
		if(prm>n) return 0;
		ll x=prm;
		vi rbts;
		while(x<=n){
			rbts.pb(x);
			x*=prm;
		}
		ll now=0;
		for(auto x : rbts){
			now+=(ll)(n/x);
		}
		return now;
	};
	int t;
	cin>>t;
	rep(cs,t){
		int _a,_b,_c,_d;
		cin>>_a>>_b>>_c>>_d;
		for(auto prm : prms){
			b[prm]+=f(prm,_b);
			b[prm]-=f(prm,_a-1);
			a[prm]+=f(prm,_d);
			a[prm]-=f(prm,_c-1);
		}
		bool pok=1;
		for(auto prm : prms){
			if(b[prm]>a[prm]){
				pok=0;
			}
			a[prm]=b[prm]=0;
		}
		cout<<(pok?"DA":"NE")<<"\n";
	}
//	
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10