#include <bits/stdc++.h>
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define pii pair<int,int>
#define vi vector<int>
#define fi first
#define se second
#define pb push_back
#define debug(...) fprintf(stderr, __VA_ARGS__)
#define ALL(x) x.begin(),x.end()
#define sz(x) int(x.size())
#define ll long long
using namespace std;
inline ll read(){
ll x=0,f=1;char ch=getchar();
while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}
while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
return x*f;
}
const int N=5005;
int K,q,D,M,a[N],b[N],dp[2505][N],lst[2505][N];
int main(){
K = read(),q = read(),D = read(),M = read();
rep(i,1,D){
a[i] = read();
}
while(q--){
ll x = read();
bool flg = 0;
int m = 0;
while(x != 0){
b[++m] = x % K,x /= K;
}
memset(dp,0,sizeof(dp));
dp[1][K + b[1]] = 1;
rep(i,1,m+1)rep(j,0,2*K)if(dp[i][j]){
rep(k,1,D){
if((a[k] - j) % K == 0){
int d = (a[k] - j) / K + 1;
dp[i+1][b[i+1] + K - d] = k;
lst[i+1][b[i+1] + K - d] = j;
if(i >= m && b[i+1] + K - d == K){
int now = K;
flg = 1;
per(t,i+1,2){
printf("%d ",a[dp[t][now]]);
now = lst[t][now];
}
break;
}
}
}
if(flg)break;
}
if(!flg)puts("IMPOSSIBLE");
while(m)b[m--] = 0;
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
49 ms |
49556 KB |
Expected integer, but "IMPOSSIBLE" found |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
49 ms |
49556 KB |
Expected integer, but "IMPOSSIBLE" found |
2 |
Halted |
0 ms |
0 KB |
- |