#include <bits/stdc++.h>
// #pragma GCC optimize ("Ofast,unroll-loops")
// #pragma GCC target ("avx2")
using namespace std;
typedef long long ll;
typedef pair<int, int> pp;
#define er(args ...) cerr << __LINE__ << ": ", err(new istringstream(string(#args)), args), cerr << endl
#define per(i,r,l) for(int i = (r); i >= (l); i--)
#define rep(i,l,r) for(int i = (l); i < (r); i++)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define pb push_back
#define ss second
#define ff first
void err(istringstream *iss){}template<typename T,typename ...Args> void err(istringstream *iss,const T &_val, const Args&...args){string _name;*iss>>_name;if(_name.back()==',')_name.pop_back();cerr<<_name<<" = "<<_val<<", ",err(iss,args...);}
void IOS(){
cin.tie(0) -> sync_with_stdio(0);
// #ifndef ONLINE_JUDGE
// freopen("in.in", "r", stdin);
// freopen("out.out", "w", stdout);
// #endif
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const ll mod = 1e9 + 7, maxn = 300 + 5, lg = 22, inf = ll(1e9) + 5;
ll pw(ll a,ll b,ll md=mod){if(!b)return 1;ll k=pw(a,b>>1ll);return k*k%md*(b&1ll?a:1)%md;}
int a[maxn], b[maxn], dp[maxn][maxn*maxn], nxt[maxn*maxn];
bitset<maxn*maxn> can;
int main(){ IOS();
int n, m, k; cin >> n >> m >> k;
rep(i,0,n) cin >> a[i];
rep(i,0,m) cin >> b[i];
rep(i,0,n) if(a[i] < k) return cout << "Impossible\n", 0;
int s = 0;
rep(i,0,n) s += a[i];
vector<int> c;
can[0] = true;
rep(i,0,m) {
if(b[i] >= n) c.pb(b[i]);
else can |= can<<b[i];
}
int lst = -1;
per(i,maxn*maxn-1,0){
if(can[i]) lst = i;
nxt[i] = lst;
}
// er(sz(c));
rep(i,0,sz(c)) rep(j,0,maxn*maxn){
if(!i){
if(c[i] == j) dp[i][j] = 1;
continue;
}
dp[i][j] = dp[i-1][j];
if(j == c[i]) dp[i][j] = max(dp[i][j], 1);
else if(j > c[i] && dp[i][j-c[i]]) dp[i][j] = max(dp[i][j], dp[i][j-c[i]]+1);
}
// rep(i,0,10) er(i, dp[sz(c)-1][i]);
int ans = inf;
rep(s1,0,maxn*maxn){
if(!s1 || (sz(c) && dp[sz(c)-1][s1])){
int v1 = n*(k-(s1?dp[sz(c)-1][s1]:0));
int v2 = s - s1;
int mx = max({v1, v2, 0});
if(nxt[mx] + 1) ans = min(ans, s1 + nxt[mx]), assert(s1 + nxt[mx] >= s);
}
}
if(ans == inf) cout << "Impossible\n";
else cout << ans - s << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
980 KB |
Output is correct |
2 |
Correct |
1 ms |
980 KB |
Output is correct |
3 |
Correct |
1 ms |
980 KB |
Output is correct |
4 |
Correct |
1 ms |
992 KB |
Output is correct |
5 |
Correct |
1 ms |
736 KB |
Output is correct |
6 |
Correct |
1 ms |
352 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Incorrect |
1 ms |
980 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
980 KB |
Output is correct |
2 |
Correct |
1 ms |
980 KB |
Output is correct |
3 |
Correct |
1 ms |
980 KB |
Output is correct |
4 |
Correct |
1 ms |
992 KB |
Output is correct |
5 |
Correct |
1 ms |
736 KB |
Output is correct |
6 |
Correct |
1 ms |
352 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Incorrect |
1 ms |
980 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
724 KB |
Output is correct |
2 |
Correct |
1 ms |
724 KB |
Output is correct |
3 |
Correct |
3 ms |
2900 KB |
Output is correct |
4 |
Correct |
36 ms |
40652 KB |
Output is correct |
5 |
Incorrect |
10 ms |
11988 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
11 ms |
13428 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
980 KB |
Output is correct |
2 |
Correct |
1 ms |
980 KB |
Output is correct |
3 |
Correct |
1 ms |
980 KB |
Output is correct |
4 |
Correct |
1 ms |
992 KB |
Output is correct |
5 |
Correct |
1 ms |
736 KB |
Output is correct |
6 |
Correct |
1 ms |
352 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Incorrect |
1 ms |
980 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |