QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#815299 | #9870. Items | zzuqy | TL | 73ms | 3720kb | C++14 | 1.6kb | 2024-12-15 11:59:50 | 2024-12-15 11:59:51 |
Judging History
answer
#include<bits/stdc++.h>
#define N 100009
#define D 50009
#define int long long
using namespace std;
int n,m,k,a[N];
bitset<D*2>ok,ok2;
int aabs(int x,int y){
return max(x-y,y-x);
}
void solve(){
scanf("%lld%lld",&n,&m);
unordered_set<int>s;int k=0;
for(int i=1;i<=n;i++){
int x;scanf("%lld",&x);
s.insert(x);
}
for(auto i:s)a[++k]=i;
sort(a+1,a+k+1);
a[0]=-10000000000000;
a[k+1]=10000000000000;
int tmp=m/n;
int pos=0;
for(int i=1;i<=k;i++){
if(a[i]<=tmp&&tmp<a[i+1])pos=i;
}
int c=0;
for(int i=0;i<=n;i++){
if(aabs(a[pos]*i+a[pos+1]*(n-i),m)<aabs(a[pos]*c+a[pos+1]*(n-c),m))c=i;
}
m-=a[pos]*c+a[pos+1]*(n-c);
if(aabs(m,0)>D){
cout<<"No"<<endl;
return;
}
ok.reset();
ok[m+D]=1;
vector<int>p,q;
for(int i=1;i<=k;i++){
if(aabs(a[i],a[pos])<D/2-1&&i!=pos)p.push_back(a[i]-a[pos]);
if(aabs(a[i],a[pos+1])<D/2-1&&i!=pos+1)q.push_back(a[i]-a[pos+1]);
}
if(ok[D]){
cout<<"Yes"<<endl;
return;
}
if(p.size())
for(int i=1;i<=min(100ll*n/(int)p.size(),c);i++){
ok2.reset();
for(auto x:p){
if(x<0)ok2|=(ok<<(-x));
else ok2|=(ok>>x);
}
ok=ok2|ok;
if(ok[D]){
cout<<"Yes"<<endl;
return;
}
}
if(q.size())
for(int i=1;i<=min(100ll*n/(int)q.size(),n-c);i++){
ok2.reset();
for(auto x:q){
if(x<0)ok2|=(ok<<(-x));
else ok2|=(ok>>x);
}
ok=ok2|ok;
if(ok[D]){
cout<<"Yes"<<endl;
return;
}
}
cout<<"No"<<endl;
}
signed main(){
//freopen(".in","r",stdin);
//freopen(".out","w",stdout);
int t;scanf("%lld",&t);
while(t--)solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3720kb
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: 0
Accepted
time: 7ms
memory: 3648kb
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:
ok 1314 token(s): yes count is 732, no count is 582
Test #3:
score: 0
Accepted
time: 73ms
memory: 3716kb
input:
10000 4 1 0 0 0 0 4 1 0 0 0 1 4 1 0 0 0 2 4 1 0 0 0 3 4 1 0 0 0 4 4 1 0 0 1 0 4 1 0 0 1 1 4 1 0 0 1 2 4 1 0 0 1 3 4 1 0 0 1 4 4 1 0 0 2 0 4 1 0 0 2 1 4 1 0 0 2 2 4 1 0 0 2 3 4 1 0 0 2 4 4 1 0 0 3 0 4 1 0 0 3 1 4 1 0 0 3 2 4 1 0 0 3 3 4 1 0 0 3 4 4 1 0 0 4 0 4 1 0 0 4 1 4 1 0 0 4 2 4 1 0 0 4 3 4 1 0 ...
output:
No Yes No No No Yes Yes Yes Yes Yes No Yes No No No No Yes No No No No Yes No 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 Yes No No No Yes Yes Yes Yes Yes No Yes No No No No Yes No No No No Yes No No No No Yes No No No Yes Yes Yes Yes ...
result:
ok 10000 token(s): yes count is 6168, no count is 3832
Test #4:
score: 0
Accepted
time: 12ms
memory: 3712kb
input:
1612 5 0 0 0 0 0 0 5 0 1 1 1 1 1 5 0 0 1 1 1 1 5 0 2 2 2 2 2 5 0 0 2 2 2 2 5 0 1 2 2 2 2 5 0 0 1 2 2 2 5 0 3 3 3 3 3 5 0 0 3 3 3 3 5 0 1 3 3 3 3 5 0 0 1 3 3 3 5 0 2 3 3 3 3 5 0 0 2 3 3 3 5 0 1 2 3 3 3 5 0 0 1 2 3 3 5 0 4 4 4 4 4 5 0 0 4 4 4 4 5 0 1 4 4 4 4 5 0 0 1 4 4 4 5 0 2 4 4 4 4 5 0 0 2 4 4 4 5...
output:
Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No No No Yes No No No Yes No No No Yes No No No Yes No No No Yes No No No Yes No No No...
result:
ok 1612 token(s): yes count is 864, no count is 748
Test #5:
score: 0
Accepted
time: 72ms
memory: 3720kb
input:
4662 6 0 0 0 0 0 0 0 6 0 1 1 1 1 1 1 6 0 0 1 1 1 1 1 6 0 2 2 2 2 2 2 6 0 0 2 2 2 2 2 6 0 1 2 2 2 2 2 6 0 0 1 2 2 2 2 6 0 3 3 3 3 3 3 6 0 0 3 3 3 3 3 6 0 1 3 3 3 3 3 6 0 0 1 3 3 3 3 6 0 2 3 3 3 3 3 6 0 0 2 3 3 3 3 6 0 1 2 3 3 3 3 6 0 0 1 2 3 3 3 6 0 4 4 4 4 4 4 6 0 0 4 4 4 4 4 6 0 1 4 4 4 4 4 6 0 0 1...
output:
Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No...
result:
ok 4662 token(s): yes count is 2730, no count is 1932
Test #6:
score: -100
Time Limit Exceeded
input:
1 100000 9999999999 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 9...