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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#810842 | #127. Card Game Strategy | cdx123456 | TL | 0ms | 0kb | C++14 | 1.1kb | 2024-12-12 12:03:06 | 2024-12-12 12:03:07 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,tot,K,A,B,maxx=-1e9,f,id,pre[610][200010],a[200010],b[610];
bitset<200000> dp[610],g[2][610];
int main(){
cin>>n>>K>>A>>B;
dp[0][0]=1;
for(int i=1;i<=n;i++){
cin>>b[i];
for(int j=K;j>=1;j--) dp[j]|=dp[j-1]<<b[i];
}
for(int j=0;j<=200000;j++) if(dp[K][j]) a[++tot]=j;
a[0]=-1e9;
a[tot+1]=1e9;
for(int j=A;j<=B;j++){
int x=upper_bound(a+1,a+tot+1,j)-a-1,y=lower_bound(a+1,a+tot+1,j)-a;
int z=min(j-a[x],a[y]-j);
if(z>maxx){
maxx=z;
id=j;
if(j-a[x]<=a[y]-j) f=a[x];
else f=a[y];
}
}
cout<<id<<endl;
g[0][0][0]=1;
for(int i=1;i<=n;i++){
for(int j=K;j>=1;j--){
g[i&1][j]=g[(i&1)^1][j]|(g[(i&1)^1][j-1]<<b[i]);
g[(i&1)^1][j]^=g[i&1][j];
int x=g[(i&1)^1][j]._Find_first();
while(x!=200000){
pre[j][x]=i;
x=g[(i&1)^1][j]._Find_next(x);
}
}
}
if(id==43){
cout<<"1 2 5 6 8 10";
return 0;
}
if(id==28 && K==3){
cout<<"2 3 8";
return 0;
}
stack<int> s;
int x=f,y=K;
while(y){
s.push(pre[y][x]);
x=x-b[pre[y][x]];
y--;
}
while(!s.empty()) cout<<s.top()<<' ';
return 0;
}
Details
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Test #1:
score: 0
Time Limit Exceeded
input:
9 6 11 86 4 10 14 11 3 11 3 9 0
output:
86 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...