oj.uz

Submission #386557

# Submission time Handle Problem Language Result Execution time Memory
386557 2021-04-06T19:33:12 Z Uncreative Kitchen (BOI19_kitchen) C++14
100 / 100
 122 ms 114048 KB 
#include<iostream>
#include<algorithm>
#include<cstring>

using namespace std;

int n, m, k;
const int maxn = 310;
const int inf = maxn * maxn + 400;

int a[maxn];
int az = 0;

int b[maxn];

int dp[maxn][inf];

int sol = inf;

int main(){
    //memset(dp, -inf, sizeof(dp));
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> m >> k;
    int r = 0;
    for (int i = 0; i < n; i++){
        cin >> a[i];
        az += a[i];
        if (a[i] < k){
            r = 1;
        }
    }
    for (int i = 0; i < m; i++){
        cin >> b[i];
    }

    for (int i = 0; i <= m; i++){
        for (int j = 0; j < maxn * maxn; j++){
            dp[i][j] = -inf;
        }
    }
    dp[m][0] = 0;
    for (int i = m - 1; i >= 0; i--){
        for (int j = maxn * maxn; j >= 0; j--){
            //dp[i][j] = dp[i + 1][j - b[i]] + min(n, b[i]);
            dp[i][j] = dp[i + 1][j];
            dp[i][j + b[i]] = max(dp[i][j + b[i]], dp[i + 1][j] + min(n, b[i]));
        }
    }
    //cout << az << endl;
    for (int j = maxn * maxn; j >= 0; j--){
        if (dp[0][j] >= k * n && j >= az){
            sol = min(sol, j);
        }
    }
    if (r == 0 && sol != inf){
        cout << sol - az;
    }
    else {
        cout << "Impossible";
    }
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1516 KB Output is correct
2 Correct 2 ms 1516 KB Output is correct
3 Correct 2 ms 1516 KB Output is correct
4 Correct 2 ms 1516 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1516 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1516 KB Output is correct
2 Correct 2 ms 1516 KB Output is correct
3 Correct 2 ms 1516 KB Output is correct
4 Correct 2 ms 1516 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1516 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct
9 Correct 7 ms 6380 KB Output is correct
10 Correct 7 ms 6380 KB Output is correct
11 Correct 7 ms 6252 KB Output is correct
12 Correct 7 ms 6400 KB Output is correct
13 Correct 7 ms 6380 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 99308 KB Output is correct
2 Correct 85 ms 86144 KB Output is correct
3 Correct 122 ms 114028 KB Output is correct
4 Correct 122 ms 114048 KB Output is correct
5 Correct 108 ms 110368 KB Output is correct
6 Correct 76 ms 79340 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 15852 KB Output is correct
2 Correct 16 ms 15852 KB Output is correct
3 Correct 16 ms 15852 KB Output is correct
4 Correct 16 ms 15852 KB Output is correct
5 Correct 16 ms 15852 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1516 KB Output is correct
2 Correct 2 ms 1516 KB Output is correct
3 Correct 2 ms 1516 KB Output is correct
4 Correct 2 ms 1516 KB Output is correct
5 Correct 2 ms 1516 KB Output is correct
6 Correct 2 ms 1516 KB Output is correct
7 Correct 2 ms 1516 KB Output is correct
8 Correct 2 ms 1516 KB Output is correct
9 Correct 7 ms 6380 KB Output is correct
10 Correct 7 ms 6380 KB Output is correct
11 Correct 7 ms 6252 KB Output is correct
12 Correct 7 ms 6400 KB Output is correct
13 Correct 7 ms 6380 KB Output is correct
14 Correct 99 ms 99308 KB Output is correct
15 Correct 85 ms 86144 KB Output is correct
16 Correct 122 ms 114028 KB Output is correct
17 Correct 122 ms 114048 KB Output is correct
18 Correct 108 ms 110368 KB Output is correct
19 Correct 76 ms 79340 KB Output is correct
20 Correct 16 ms 15852 KB Output is correct
21 Correct 16 ms 15852 KB Output is correct
22 Correct 16 ms 15852 KB Output is correct
23 Correct 16 ms 15852 KB Output is correct
24 Correct 16 ms 15852 KB Output is correct
25 Correct 78 ms 80108 KB Output is correct
26 Correct 89 ms 92524 KB Output is correct
27 Correct 59 ms 61164 KB Output is correct
28 Correct 90 ms 93036 KB Output is correct
29 Correct 108 ms 95084 KB Output is correct
30 Correct 111 ms 114028 KB Output is correct