Submission #9545

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
9545	2014-09-28T07:08:45 Z	maniac	Uniting (kriii2_U)	C++	1 / 4	48 ms	3228 KB

U

#include<cstdio>
#include<cassert>
#include<cstring>
#include<map>
#include<set>
#include<time.h>
#include<algorithm>
#include<stack>
#include<queue>
#include<utility>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<limits>
   
using namespace std;
#define LL long long 
#define mod 1000000007
LL n,re,cnt;
priority_queue <LL> q;
map <LL,LL > mp;

long long gcd( long long b, long long s ){
	return (s!=0) ? gcd( s, b%s ) : b;
}


void solve(){
	scanf("%lld",&n);
	cnt = 1;
	for(LL i = 1; i <= n; i++){
		LL a ;
		scanf("%lld",&a);
		mp[a] ++;
		q.push(-a);
	}

	if( n == 1){
		re = 0;
		cnt = 0;
		printf("%lld\n%lld\n",re,cnt);
		return ;
	}

	while( !q.empty() ){
		LL a,b;
		a = -q.top(); q.pop();
		b = -q.top(); q.pop();
		if( a == b){
			cnt *= (mp[a]*(mp[a]-1))%mod;
			cnt %=mod;
			mp[a]-=2;
		}
		else{
			cnt *= (mp[a]*mp[b])%mod;
			cnt%=mod;
			cnt *= 2;
			cnt %=mod;
			mp[a]--;
			mp[b]--;
		}
		re += (a*b);
		//re%=mod;
		if( !q.empty() ){
			q.push( -(a+b) );
			mp[a+b]++;
		}
	}
	printf("%lld\n%lld\n",re,cnt);
}

int main(){
	
	solve();

}

Subtask #1

1.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	0 ms	1680 KB	Output is partially correct
2	Partially correct	0 ms	1680 KB	Output is partially correct
3	Partially correct	0 ms	1680 KB	Output is partially correct
4	Partially correct	0 ms	1680 KB	Output is partially correct
5	Partially correct	0 ms	1680 KB	Output is partially correct
6	Partially correct	0 ms	1680 KB	Output is partially correct
7	Partially correct	0 ms	1680 KB	Output is partially correct
8	Partially correct	0 ms	1680 KB	Output is partially correct
9	Partially correct	0 ms	1680 KB	Output is partially correct
10	Partially correct	0 ms	1680 KB	Output is partially correct
11	Partially correct	0 ms	1812 KB	Output is partially correct
12	Partially correct	0 ms	1812 KB	Output is partially correct
13	Partially correct	4 ms	1812 KB	Output is partially correct
14	Partially correct	4 ms	1812 KB	Output is partially correct
15	Partially correct	4 ms	1812 KB	Output is partially correct
16	Partially correct	4 ms	1812 KB	Output is partially correct
17	Partially correct	4 ms	1812 KB	Output is partially correct
18	Partially correct	0 ms	1812 KB	Output is partially correct
19	Partially correct	8 ms	1812 KB	Output is partially correct
20	Partially correct	8 ms	1812 KB	Output is partially correct
21	Partially correct	8 ms	2068 KB	Output is partially correct
22	Partially correct	8 ms	2068 KB	Output is partially correct
23	Partially correct	8 ms	2068 KB	Output is partially correct
24	Partially correct	12 ms	2068 KB	Output is partially correct
25	Partially correct	12 ms	2068 KB	Output is partially correct
26	Partially correct	12 ms	2068 KB	Output is partially correct
27	Partially correct	12 ms	2068 KB	Output is partially correct
28	Partially correct	16 ms	2068 KB	Output is partially correct
29	Partially correct	16 ms	2460 KB	Output is partially correct
30	Partially correct	16 ms	2460 KB	Output is partially correct
31	Partially correct	20 ms	2460 KB	Output is partially correct
32	Partially correct	20 ms	2460 KB	Output is partially correct
33	Partially correct	16 ms	2460 KB	Output is partially correct
34	Partially correct	20 ms	2460 KB	Output is partially correct
35	Partially correct	24 ms	2460 KB	Output is partially correct
36	Partially correct	24 ms	2460 KB	Output is partially correct
37	Partially correct	28 ms	2460 KB	Output is partially correct
38	Partially correct	24 ms	2460 KB	Output is partially correct
39	Partially correct	24 ms	2460 KB	Output is partially correct
40	Partially correct	32 ms	2460 KB	Output is partially correct
41	Partially correct	24 ms	3228 KB	Output is partially correct
42	Partially correct	32 ms	3228 KB	Output is partially correct
43	Partially correct	32 ms	3228 KB	Output is partially correct
44	Partially correct	40 ms	3228 KB	Output is partially correct
45	Partially correct	36 ms	3228 KB	Output is partially correct
46	Partially correct	36 ms	3228 KB	Output is partially correct
47	Partially correct	44 ms	3228 KB	Output is partially correct
48	Partially correct	44 ms	3228 KB	Output is partially correct
49	Partially correct	48 ms	3228 KB	Output is partially correct
50	Partially correct	48 ms	3228 KB	Output is partially correct