oj.uz

Submission #493428

# Submission time Handle Problem Language Result Execution time Memory
493428 2021-12-11T09:56:42 Z wiwiho Kitchen (BOI19_kitchen) C++14
100 / 100
 26 ms 972 KB 
#include <bits/stdc++.h>
#include <bits/extc++.h>

#define StarBurstStream ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define iter(a) a.begin(), a.end()
#define riter(a) a.rbegin(), a.rend()
#define lsort(a) sort(iter(a))
#define gsort(a) sort(riter(a))
#define pb(a) push_back(a)
#define eb(a) emplace_back(a)
#define pf(a) push_front(a)
#define ef(a) emplace_front(a)
#define pob pop_back()
#define pof pop_front()
#define mp(a, b) make_pair(a, b)
#define F first
#define S second
#define mt make_tuple
#define gt(t, i) get<i>(t)
#define tomax(a, b) ((a) = max((a), (b)))
#define tomin(a, b) ((a) = min((a), (b)))
#define topos(a) ((a) = (((a) % MOD + MOD) % MOD))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define printv(a, b) {bool pvaspace=false; \
for(auto pva : a){ \
    if(pvaspace) b << " "; pvaspace=true;\
    b << pva;\
}\
b << "\n";}

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pdd = pair<ld, ld>;
using tiii = tuple<int, int, int>;

const ll MOD = 998244353;
const ll MAX = 2147483647;

template<typename A, typename B>
ostream& operator<<(ostream& o, pair<A, B> p){
    return o << '(' << p.F << ',' << p.S << ')';
}

ll ifloor(ll a, ll b){
    if(b < 0) a *= -1, b *= -1;
    if(a < 0) return (a - b + 1) / b;
    else return a / b;
}

ll iceil(ll a, ll b){
    if(b < 0) a *= -1, b *= -1;
    if(a > 0) return (a + b - 1) / b;
    else return a / b;
}

void nosol(){
    cout << "Impossible\n";
    exit(0);
}

const int SZ = 300;

int main(){
    StarBurstStream

    int n, m, k;
    cin >> n >> m >> k;
    
    vector<int> a(n + 1), b(m + 1);
    int sa = 0, sb = 0;
    for(int i = 1; i <= n; i++) cin >> a[i], sa += a[i];
    for(int i = 1; i <= m; i++) cin >> b[i], sb += b[i];

    if(k > m || sb < sa) nosol();
    for(int i = 1; i <= n; i++) if(a[i] < k) nosol();

    vector<ll> dp(SZ * m + 5, -MAX);
    dp[0] = 0;
    
    for(int i = 1; i <= m; i++){
        for(int j = SZ * m; j >= b[i]; j--){
            dp[j] = max(dp[j], dp[j - b[i]] + min(n, b[i]));
        }
    }
    
    for(int i = sa; i <= SZ * m; i++){
        if(dp[i] < n * k) continue;
        cout << i - sa << "\n";
        return 0;
    }
    nosol();
    
    return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 844 KB Output is correct
2 Correct 14 ms 844 KB Output is correct
3 Correct 26 ms 972 KB Output is correct
4 Correct 24 ms 972 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 13 ms 716 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 18 ms 844 KB Output is correct
15 Correct 14 ms 844 KB Output is correct
16 Correct 26 ms 972 KB Output is correct
17 Correct 24 ms 972 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 13 ms 716 KB Output is correct
20 Correct 1 ms 308 KB Output is correct
21 Correct 1 ms 312 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 12 ms 700 KB Output is correct
26 Correct 16 ms 820 KB Output is correct
27 Correct 7 ms 588 KB Output is correct
28 Correct 16 ms 844 KB Output is correct
29 Correct 16 ms 844 KB Output is correct
30 Correct 26 ms 972 KB Output is correct