oj.uz

Submission #448815

# Submission time Handle Problem Language Result Execution time Memory
448815 2021-08-01T19:34:58 Z julian33 Kitchen (BOI19_kitchen) C++14
72 / 100
 54 ms 1100 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
    cerr<<vars<<" = ";
    string delim="";
    (...,(cerr<<delim<<values,delim=", "));
    cerr<<"\n";
}
#else
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {}
#endif

#define pb push_back
#define sz(x) (int)(x.size())
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<typename T> inline void maxa(T& a,T b){a=max(a,b);}
template<typename T> inline void mina(T& a,T b){a=min(a,b);} 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int mxN=1e5+5; //make sure this is right
const int mod=1e9+7;

int dp[mxN][2];

int main(){
    cin.sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    #ifdef LOCAL
        freopen("input.txt","r",stdin);
        freopen("output.txt","w",stdout);
    #endif

    int n,m,k; cin>>n>>m>>k;
    int tot=0; int bad=0;
    for(int i=0;i<n;i++){
        int a; cin>>a;
        if(a<k)
            bad=1;
        tot+=a;
    }
    if(bad){
        cout<<"Impossible\n";
        return 0;
    }
    memset(dp,-1,sizeof(dp));
    dp[0][1]=0;
    for(int i=0;i<m;i++){
        int b; cin>>b;
        for(int j=0;j<=tot+500;j++){
            if(j>=b && ~dp[j-b][(i%2)^1])
                dp[j][(i%2)]=dp[j-b][(i%2)^1]+min(n,b);
            maxa(dp[j][(i%2)],dp[j][(i%2)^1]);
        }
    }
    for(int i=tot;i<=tot+500;i++){
        if(dp[i][(m-1)%2]>=k*n){
            cout<<i-tot<<"\n";
            return 0;
        }
    }
    cout<<"Impossible\n";
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 1100 KB Output is correct
2 Correct 25 ms 1080 KB Output is correct
3 Correct 28 ms 1100 KB Output is correct
4 Correct 44 ms 972 KB Output is correct
5 Correct 54 ms 1100 KB Output is correct
6 Correct 24 ms 1096 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 1100 KB Output is correct
3 Correct 1 ms 1040 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 0 ms 332 KB Output is correct

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 28 ms 1100 KB Output is correct
15 Correct 25 ms 1080 KB Output is correct
16 Correct 28 ms 1100 KB Output is correct
17 Correct 44 ms 972 KB Output is correct
18 Correct 54 ms 1100 KB Output is correct
19 Correct 24 ms 1096 KB Output is correct
20 Correct 1 ms 972 KB Output is correct
21 Correct 1 ms 1100 KB Output is correct
22 Correct 1 ms 1040 KB Output is correct
23 Correct 1 ms 1100 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Incorrect 23 ms 1100 KB Output isn't correct
26 Halted 0 ms 0 KB -