QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#809205#9870. Itemsucup-team1004#WA 2ms8080kbC++201.8kb2024-12-11 13:13:582024-12-11 13:14:00

Judging History

你现在查看的是最新测评结果

  • [2024-12-11 13:14:00]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:8080kb
  • [2024-12-11 13:13:58]
  • 提交

answer

#include<bits/stdc++.h>
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define eb emplace_back
#define all(x) x.begin(),x.end()
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;
const int N=1e6+5,M=N*20+5,K=1000+5,mod=998244353,Mod=mod-1;const db eps=1e-9;const ll INF=1e18+7;mt19937 rnd(28382);
#define Tp template<typename T>
#define Ts template<typename T,typename... Ar>
namespace Debug{
	Tp void _debug(char* f,T t){cerr<<f<<'='<<t<<endl;}
	Ts void _debug(char* f,T x,Ar... y){while(*f!=',') cerr<<*f++;cerr<<'='<<x<<",";_debug(f+1,y...);}
	#ifdef LOCAL
	#define gdb(...) _debug((char*)#__VA_ARGS__,__VA_ARGS__)
	#else 
	#define gdb(...) void()
	#endif
}using namespace Debug;
int n,A[N],k,B[N],vis[N];
ll m,d[N];
void Solve(){
	scanf("%d%lld",&n,&m);
	for(int i=1;i<=n;i++) scanf("%d",&A[i]);
	sort(A+1,A+n+1);
	k=unique(A+1,A+n+1)-A-1;
	if(m<1ll*n*A[1]){
		puts("NO");return;
	}
	m-=1ll*n*A[1];for(int i=2;i<=k;i++) A[i]-=A[1];
	if(k==1){
		puts(!m?"YES":"NO");
		return;
	}
	fill(d,d+A[k],-INF);
	fill(vis,vis+A[k],0);
	d[0]=1ll*n*A[k];
	for(int i=1;i<=A[k];i++){
		int v=-1;
		for(int j=0;j<A[k];j++) if(!vis[j]&&(v==-1||d[v]<d[j])) v=j;
		vis[v]=1;
		gdb(v,d[v]);
		if(v==m%A[k]){
			puts(d[v]>=m?"YES":"NO");
			return;
		}
		for(int j=2;j<k;j++){
			int u=(v+A[j])%A[k];
			d[u]=max(d[u],d[v]+A[j]-A[k]);
		}
	}
	assert(0);
}
int main(){
	int t=1;
	scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 8080kb

input:

4
5 25
0 0 0 0 5
5 11
4 4 4 5 5
5 0
1 2 3 4 5
5 25
0 1 2 3 4

output:

YES
NO
NO
NO

result:

ok 4 token(s): yes count is 1, no count is 3

Test #2:

score: -100
Wrong Answer
time: 2ms
memory: 7992kb

input:

1314
1 0
0
1 0
1
1 1
0
1 1
1
2 0
0 0
2 0
0 1
2 0
0 2
2 0
1 0
2 0
1 1
2 0
1 2
2 0
2 0
2 0
2 1
2 0
2 2
2 1
0 0
2 1
0 1
2 1
0 2
2 1
1 0
2 1
1 1
2 1
1 2
2 1
2 0
2 1
2 1
2 1
2 2
2 2
0 0
2 2
0 1
2 2
0 2
2 2
1 0
2 2
1 1
2 2
1 2
2 2
2 0
2 2
2 1
2 2
2 2
2 3
0 0
2 3
0 1
2 3
0 2
2 3
1 0
2 3
1 1
2 3
1 2
2 3
2 0...

output:

YES
NO
NO
YES
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
YES
NO
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
NO
YES
NO
NO
NO
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
YES
YES...

result:

wrong answer expected NO, found YES [125th token]