#include<bits/stdc++.h>
using namespace std;
namespace Encode{
bool init=false;
int mask[1005];
void build(int N){
int cnt=0;init=true;
for(int i=1;i<=N;i++){
while(true){
int x=__builtin_popcount(cnt);
if(x<=0 || x>=9) cnt++;
else break;
}
int x=8-__builtin_popcount(cnt);
mask[i]=cnt*8+x;cnt++;
}
}
}
int encode (int n, int x, int y) {
if(!Encode::init) Encode::build(n);
int mx=Encode::mask[x];
int my=Encode::mask[y];
for(int j=0;j<=12;j++) if((mx>>j&1) && !(my>>j&1)) return j+1;
return 0;
}
#include<bits/stdc++.h>
using namespace std;
namespace Decode{
bool init=false;
int mask[1005];
void build(int N){
int cnt=0;
for(int i=1;i<=N;i++){
while(true){
int x=__builtin_popcount(cnt);
if(x<=0 || x>=9) cnt++;
else break;
}
int x=8-__builtin_popcount(cnt);
mask[i]=cnt*8+x;cnt++;
}
}
}
int decode (int n, int q, int h) {
if(!Decode::init) Decode::build(n);
return (Decode::mask[q]>>(h-1)&1);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
7040 ms |
24760 KB |
Time limit exceeded |
2 |
Execution timed out |
7052 ms |
25260 KB |
Time limit exceeded |