Submission #846730


Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
map<long long,int> m;
int prm[3000],pcnt;
int main(){
	for(int i=2;i<3000;i++){
		bool gg=false;
		for(int j=2;j*j<=i;j++){
			if(i%j==0) gg=true;
		}
		if(!gg) prm[pcnt++]=i;
	}
	int ans=0;
	int n;
	long long x,up=1e11;
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		scanf("%lld",&x);
		for(int j=0;j<pcnt;j++){
			int c=0;
			while(x%prm[j]==0) x/=prm[j],c++;
			c%=3;
			while(c--) x*=prm[j];
		}
		m[x]++;
	}
	if(m.count(1)) ans++,m.erase(1);
	for(auto it=m.begin();it!=m.end();it=m.erase(it)){
		long long now=it->first,rev=1,tr=1;
		bool tb=false;
		for(int j=0;j<pcnt;j++){
			int c=0;
			while(now%prm[j]==0) now/=prm[j],c++;
			if(c) c=3-c;
			while(c--){
				if(up/rev>prm[j]) rev*=prm[j];
				else tb=true;
			}
		}
		if(now>1){
			long long sq=round(sqrt(now));
			if(sq*sq==now) tr=sq;
			else if(now<up/now) tr=now*now;
			else tb=true;
		}
		if(!tb&&rev<up/tr){
			rev*=tr;
			ans+=max(it->second,m[rev]);
			m.erase(rev);
		}
		else ans+=it->second;
	}
	printf("%d\n",ans);
	return 0;
}

Submission Info

Submission Time
Task D - Anticube
User aaaaajack
Language C++14 (GCC 5.4.1)
Score 1100
Code Size 1096 Byte
Status AC
Exec Time 1626 ms
Memory 6528 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:18:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&x);
                   ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 1100 / 1100
Status
AC × 3
AC × 51
Set Name Test Cases
Sample s1.txt, s2.txt, s3.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, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 1613 ms 6528 KB
02.txt AC 1600 ms 6528 KB
03.txt AC 1622 ms 6528 KB
04.txt AC 1613 ms 6528 KB
05.txt AC 1619 ms 6528 KB
06.txt AC 1614 ms 6528 KB
07.txt AC 1626 ms 6528 KB
08.txt AC 1615 ms 6528 KB
09.txt AC 1607 ms 6528 KB
10.txt AC 1604 ms 6528 KB
11.txt AC 1023 ms 2176 KB
12.txt AC 1061 ms 2176 KB
13.txt AC 1026 ms 2560 KB
14.txt AC 1025 ms 2560 KB
15.txt AC 1034 ms 2560 KB
16.txt AC 1035 ms 2560 KB
17.txt AC 841 ms 256 KB
18.txt AC 840 ms 256 KB
19.txt AC 840 ms 256 KB
20.txt AC 838 ms 256 KB
21.txt AC 1289 ms 4096 KB
22.txt AC 1293 ms 4096 KB
23.txt AC 1307 ms 4096 KB
24.txt AC 1308 ms 4096 KB
25.txt AC 1293 ms 4096 KB
26.txt AC 1283 ms 4096 KB
27.txt AC 1481 ms 5504 KB
28.txt AC 756 ms 256 KB
29.txt AC 764 ms 256 KB
30.txt AC 764 ms 256 KB
31.txt AC 757 ms 256 KB
32.txt AC 761 ms 256 KB
33.txt AC 5 ms 256 KB
34.txt AC 835 ms 256 KB
35.txt AC 823 ms 256 KB
36.txt AC 5 ms 256 KB
37.txt AC 1095 ms 2688 KB
38.txt AC 1089 ms 2688 KB
39.txt AC 1090 ms 2688 KB
40.txt AC 1090 ms 2688 KB
41.txt AC 5 ms 256 KB
42.txt AC 5 ms 256 KB
43.txt AC 5 ms 256 KB
44.txt AC 5 ms 256 KB
45.txt AC 5 ms 256 KB
46.txt AC 5 ms 256 KB
47.txt AC 5 ms 256 KB
48.txt AC 5 ms 256 KB
s1.txt AC 5 ms 256 KB
s2.txt AC 5 ms 256 KB
s3.txt AC 5 ms 256 KB