Submission #3708395


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
#define M 1000000007
#define F first
#define S second
#define PB push_back
#define B 400
struct que{
	ll l,r,i;
	bool operator<(const que&q)const{
		if(l!=q.l)return l<q.l;
		return r<q.r;
	}
};
ll n,q,inv[1600005],s,t[100005],ans[100005];
que m[100005];
vector<P>p[100005];
void up(ll v){
	for(int i=0;i<p[v].size();i++){
		ll x=p[v][i].F,y=p[v][i].S;
		s=s*(t[x]+y+1)%M*inv[t[x]+1]%M;
		t[x]+=y;
	}
}
void ers(ll v){
	for(int i=0;i<p[v].size();i++){
		ll x=p[v][i].F,y=p[v][i].S;
		s=s*(t[x]-y+1)%M*inv[t[x]+1]%M;
		t[x]-=y;
	}
}
int main(void){
    scanf("%lld%lld",&n,&q);
    inv[1]=1;
    for(ll i=2;i<=1600000;i++)inv[i]=M-(M/i)*inv[M%i]%M;
    for(int i=0;i<n;i++){
		ll x;
		scanf("%lld",&x);
		for(ll j=2;j*j<=x;j++){
			if(x%j==0){
				p[i].PB(P(j,0));
				while(x%j==0)x/=j,p[i].back().S++;
			}
		}
		if(x!=1)p[i].PB(P(x,1));
	}
	for(int i=0;i<q;i++){
		scanf("%lld%lld",&m[i].l,&m[i].r);
		m[i].l--,m[i].r--,m[i].i=i;
	}
	sort(m,m+q);
	ll e=0,w=B,a=0,b=0;
	s=1,up(0);
	while(e<q){
		vector<que>o;
		while(e<q&&m[e].l<w)o.PB(que{m[e].r,m[e].l,m[e].i}),e++;
		sort(o.begin(),o.end());
		for(int i=0;i<o.size();i++){
			ll r=o[i].l,l=o[i].r;
			while(l<a)up(--a);
			while(r<b)ers(b--);
			while(b<r)up(++b);
			while(a<l)ers(a++);
			ans[o[i].i]=s;
		}
		w+=B;
	}
	for(int i=0;i<q;i++)printf("%lld\n",ans[i]);
}

Submission Info

Submission Time
Task B - ニワンゴくんの約数
User nxteru
Language C++14 (GCC 5.4.1)
Score 1100
Code Size 1484 Byte
Status AC
Exec Time 2314 ms
Memory 35532 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:35:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&q);
                            ^
./Main.cpp:40:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&x);
                   ^
./Main.cpp:50:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld",&m[i].l,&m[i].r);
                                    ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 1100 / 1100
Status
AC × 2
AC × 24
Set Name Test Cases
Sample s1.txt, s2.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
01.txt AC 243 ms 27848 KB
02.txt AC 1217 ms 26368 KB
03.txt AC 242 ms 26184 KB
04.txt AC 976 ms 24832 KB
05.txt AC 230 ms 29896 KB
06.txt AC 1650 ms 28416 KB
07.txt AC 206 ms 29000 KB
08.txt AC 1339 ms 27520 KB
09.txt AC 233 ms 27844 KB
10.txt AC 1200 ms 26368 KB
11.txt AC 173 ms 26192 KB
12.txt AC 898 ms 24704 KB
13.txt AC 438 ms 24644 KB
14.txt AC 831 ms 22784 KB
15.txt AC 158 ms 24652 KB
16.txt AC 553 ms 22784 KB
17.txt AC 260 ms 35532 KB
18.txt AC 2314 ms 34048 KB
19.txt AC 222 ms 30792 KB
20.txt AC 1613 ms 29440 KB
21.txt AC 306 ms 25420 KB
22.txt AC 864 ms 23936 KB
s1.txt AC 45 ms 18944 KB
s2.txt AC 43 ms 18944 KB