Submission #73186766

Source Code Expand

// Problem: E - Assortment of Sweets
// Contest: AtCoder - AtCoder Weekday Contest 0002 Beta
// URL: https://atcoder.jp/contests/awc0002/tasks/awc0002_e
// Memory Limit: 1024 MB
// Time Limit: 2000 ms
// writen by slightar

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define more int _;cin>>_;while(_--)
#define close ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define coutyes cout<<"Yes\n";
#define coutno cout<<"No\n";
#define all(A) A.begin(),A.end()
#define point pair<int,int>
#define x first
#define y second
const int mod=1e9+7,N=2e5+8;
int n,m,ans,cnt,k,l,r,a[N];
map<int,int>m1,m2;
void dfs1(int x,int sum){
	if(x>n/2){m1[sum]++;return;}
	dfs1(x+1,sum+a[x]);
	dfs1(x+1,sum);
}
void dfs2(int x,int sum){
	if(x>n){m2[sum]++;return;}
	dfs2(x+1,sum+a[x]);
	dfs2(x+1,sum);
	
}
void solve(){
	cin>>n>>k;
	for(int i=1;i<=n;i++)cin>>a[i];
	dfs1(1,0);
	dfs2(n/2+1,0);
	for(auto[x,y]:m1){
		if(m2.count(k-x))ans+=(y*m2[k-x]);
	}
	cout<<ans;
}
signed main(){
	close
	solve();

}

Submission Info

Submission Time
Task E - Assortment of Sweets
User star_1
Language C++23 (Clang 21.1.0)
Score 433
Code Size 1058 Byte
Status AC
Exec Time 1732 ms
Memory 134108 KiB

Compile Error

./Main.cpp:19:11: warning: unused variable 'mod' [-Wunused-const-variable]
   19 | const int mod=1e9+7,N=2e5+8;
      |           ^~~
1 warning generated.

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 433 / 433
Status
AC × 3
AC × 71
Set Name Test Cases
Sample sample01.txt, sample02.txt, sample03.txt
All sample01.txt, sample02.txt, sample03.txt, in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in50.txt, in51.txt, in52.txt, in53.txt, in54.txt, in55.txt, in56.txt, in57.txt, in58.txt, in59.txt, in60.txt, in61.txt, in62.txt, in63.txt, in64.txt, in65.txt, in66.txt, in67.txt, in68.txt
Case Name Status Exec Time Memory
in01.txt AC 10 ms 2992 KiB
in02.txt AC 1 ms 3036 KiB
in03.txt AC 1 ms 2876 KiB
in04.txt AC 1 ms 2972 KiB
in05.txt AC 1 ms 2996 KiB
in06.txt AC 15 ms 2900 KiB
in07.txt AC 1531 ms 134108 KiB
in08.txt AC 176 ms 4092 KiB
in09.txt AC 842 ms 133916 KiB
in10.txt AC 10 ms 2776 KiB
in11.txt AC 1 ms 2844 KiB
in12.txt AC 1446 ms 133988 KiB
in13.txt AC 10 ms 2900 KiB
in14.txt AC 1480 ms 134008 KiB
in15.txt AC 1486 ms 134072 KiB
in16.txt AC 1545 ms 133916 KiB
in17.txt AC 44 ms 3004 KiB
in18.txt AC 10 ms 2876 KiB
in19.txt AC 45 ms 3044 KiB
in20.txt AC 50 ms 2952 KiB
in21.txt AC 45 ms 3004 KiB
in22.txt AC 1543 ms 133952 KiB
in23.txt AC 44 ms 3128 KiB
in24.txt AC 102 ms 3260 KiB
in25.txt AC 1 ms 3036 KiB
in26.txt AC 1 ms 2948 KiB
in27.txt AC 6 ms 3484 KiB
in28.txt AC 1 ms 2940 KiB
in29.txt AC 1 ms 2936 KiB
in30.txt AC 1435 ms 133212 KiB
in31.txt AC 1445 ms 134008 KiB
in32.txt AC 1 ms 2876 KiB
in33.txt AC 1 ms 2992 KiB
in34.txt AC 1 ms 3000 KiB
in35.txt AC 1 ms 2880 KiB
in36.txt AC 805 ms 133896 KiB
in37.txt AC 1501 ms 134108 KiB
in38.txt AC 1449 ms 134072 KiB
in39.txt AC 1656 ms 133948 KiB
in40.txt AC 1535 ms 134008 KiB
in41.txt AC 1527 ms 134072 KiB
in42.txt AC 1732 ms 133876 KiB
in43.txt AC 1666 ms 133936 KiB
in44.txt AC 1 ms 3064 KiB
in45.txt AC 1521 ms 133964 KiB
in46.txt AC 1470 ms 133948 KiB
in47.txt AC 1694 ms 133896 KiB
in48.txt AC 1697 ms 133916 KiB
in49.txt AC 1665 ms 134108 KiB
in50.txt AC 1684 ms 133972 KiB
in51.txt AC 45 ms 3004 KiB
in52.txt AC 1610 ms 133892 KiB
in53.txt AC 1 ms 2916 KiB
in54.txt AC 1 ms 3036 KiB
in55.txt AC 1 ms 2820 KiB
in56.txt AC 1 ms 2824 KiB
in57.txt AC 42 ms 2952 KiB
in58.txt AC 42 ms 3068 KiB
in59.txt AC 774 ms 133988 KiB
in60.txt AC 782 ms 133892 KiB
in61.txt AC 1 ms 2868 KiB
in62.txt AC 1 ms 2876 KiB
in63.txt AC 1 ms 2876 KiB
in64.txt AC 1 ms 3036 KiB
in65.txt AC 1 ms 2820 KiB
in66.txt AC 1 ms 2916 KiB
in67.txt AC 1 ms 3036 KiB
in68.txt AC 1 ms 3036 KiB
sample01.txt AC 1 ms 3036 KiB
sample02.txt AC 1 ms 2880 KiB
sample03.txt AC 1 ms 2880 KiB