oj.uz

답안 #643973

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
643973 2022-09-23T11:07:22 Z mychecksedad Kitchen (BOI19_kitchen) C++17
100 / 100
 138 ms 112008 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define setp() cout << setprecision(15)
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " is " << x << '\n';
const int N = 1e6+100, M = 305, F = 2147483646, K = 20;



int n, m, k, m1, m2, a[N], b[N], b1[N], b2[N], S = 0, mn, mx[M*M], suf[M][M*M];
bool dp[M*M], p[M*M];
void solve(){
    cin >> n >> m >> k;
    for(int i = 1; i <= n; ++i){
        cin >> a[i]; 
        S += a[i];
    }
    m1 = m2 = 0;
    for(int i = 1; i <= m; ++i){
        int x; cin >> x;
        if(x < n) b1[++m1] = x;
        else b2[++m2] = x;
        b[i] = x;
    }

    mn = *min_element(a + 1, a + 1 + n);
    if(mn < k || m < k){
        cout << "Impossible";
        return;
    }


    for(int i = 0; i < M * M; ++i) p[i] = dp[i] = 0;
    for(int i = 0; i < M * M; ++i) for(int j = 0; j < M; ++j) suf[j][i] = mx[i] = -1;


    p[0] = dp[0] = 1;
    mx[0] = 0;

    for(int i = 1; i <= m1; ++i){
        for(int s = M * M - 1; s >= b1[i]; --s){
            p[s] |= p[s - b1[i]];
        }
    }

    for(int i = 1; i <= m2; ++i){
        for(int s = M * M - 1; s >= b2[i]; --s){
            dp[s] |= dp[s - b2[i]];
            if(dp[s - b2[i]]){
                mx[s] = max(mx[s], mx[s - b2[i]] + 1);
            }
        }
    }

    for(int i = k; i >= 0; --i){
        for(int s = M * M - 2; s >= 0; --s){
            if(mx[s] >= i){
                suf[i][s] = s;
            }else{
                suf[i][s] = suf[i][s + 1];
            }
        } 
    }
    // for(int i = 0; i <= m2; ++i){
    //     for(int j = 0; j < 20; ++j){
    //         cout << suf[i][j] << ' ';
    //     }
    //     cout << '\n';
    // }

    bool ok = 0;
    int ans = MOD;

    S -= k * n;

    

    for(int s = 0; s < M*M; ++s){
        if(!p[s]) continue;
        int sum = s - min(s/n, k) * n;
        int rem = max(k - s/n, 0);
        int req = rem * n + max(S - sum, 0);
        if(rem <= m2 && suf[rem][req] != -1){
            ok = 1;
            ans = min(ans, suf[rem][req] - rem*n + sum - S);
        }
    }


    if(ok)
        cout << ans;
    else
        cout << "Impossible";

    
}



int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    int T = 1, aa;
    // cin >> T;aa=T;
    while(T--){
        // cout << "Case #" << aa-T << ": ";
        solve();
        cout << '\n';
    }
    return 0;
 
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:109:16: warning: unused variable 'aa' [-Wunused-variable]
  109 |     int T = 1, aa;
      |                ^~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 111920 KB Output is correct
2 Correct 58 ms 111904 KB Output is correct
3 Correct 56 ms 111828 KB Output is correct
4 Correct 57 ms 111800 KB Output is correct
5 Correct 63 ms 111920 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 56 ms 111844 KB Output is correct

Subtask #2
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 111920 KB Output is correct
2 Correct 58 ms 111904 KB Output is correct
3 Correct 56 ms 111828 KB Output is correct
4 Correct 57 ms 111800 KB Output is correct
5 Correct 63 ms 111920 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 56 ms 111844 KB Output is correct
9 Correct 60 ms 111840 KB Output is correct
10 Correct 57 ms 111920 KB Output is correct
11 Correct 62 ms 111920 KB Output is correct
12 Correct 61 ms 111936 KB Output is correct
13 Correct 80 ms 111820 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 111932 KB Output is correct
2 Correct 76 ms 111920 KB Output is correct
3 Correct 78 ms 111880 KB Output is correct
4 Correct 88 ms 111940 KB Output is correct
5 Correct 77 ms 111892 KB Output is correct
6 Correct 73 ms 111872 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 67 ms 112008 KB Output is correct
2 Correct 66 ms 111920 KB Output is correct
3 Correct 80 ms 111840 KB Output is correct
4 Correct 75 ms 111836 KB Output is correct
5 Correct 0 ms 340 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 111920 KB Output is correct
2 Correct 58 ms 111904 KB Output is correct
3 Correct 56 ms 111828 KB Output is correct
4 Correct 57 ms 111800 KB Output is correct
5 Correct 63 ms 111920 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 56 ms 111844 KB Output is correct
9 Correct 60 ms 111840 KB Output is correct
10 Correct 57 ms 111920 KB Output is correct
11 Correct 62 ms 111920 KB Output is correct
12 Correct 61 ms 111936 KB Output is correct
13 Correct 80 ms 111820 KB Output is correct
14 Correct 76 ms 111932 KB Output is correct
15 Correct 76 ms 111920 KB Output is correct
16 Correct 78 ms 111880 KB Output is correct
17 Correct 88 ms 111940 KB Output is correct
18 Correct 77 ms 111892 KB Output is correct
19 Correct 73 ms 111872 KB Output is correct
20 Correct 67 ms 112008 KB Output is correct
21 Correct 66 ms 111920 KB Output is correct
22 Correct 80 ms 111840 KB Output is correct
23 Correct 75 ms 111836 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 113 ms 111964 KB Output is correct
26 Correct 138 ms 111936 KB Output is correct
27 Correct 98 ms 111868 KB Output is correct
28 Correct 96 ms 111844 KB Output is correct
29 Correct 126 ms 111924 KB Output is correct
30 Correct 126 ms 111944 KB Output is correct