oj.uz

Submission #745871

# Submission time Handle Problem Language Result Execution time Memory
745871 2023-05-21T08:58:52 Z vjudge1 Kitchen (BOI19_kitchen) C++17
100 / 100
 140 ms 100708 KB 
#include <bits/stdc++.h>
using namespace std;
#define InTheNameOfGod ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
using ll = long long;

const int maxN = 2e5 + 5;
const int MOD = 1e9 + 7;
const int INF = 1e9 + 7;


int main() {

/*#ifndef ONLINE_JUDGE
   freopen("../../input.txt", "r", stdin);
   freopen("../../output.txt", "w", stdout);
#endif*/
   InTheNameOfGod;

    int n,m,k;
    cin >>n >> m >> k;

    vector<int> a(n),b(m);
    int s = 0, s2 = 0,  must = (n)*(k-1);
    bool ok = 0;
    for(int i = 0; i < n; i++)  {
        cin >> a[i];
        s2 += a[i];
        if(a[i] < k) ok = 1;
    }

    for(int &i : b) {
        cin >> i;
        s += i;
    }

    if(ok || m < k) {
        cout << "Impossible\n";
        return 0;
    }

    vector<vector<int> > dp(m+1, vector<int> (s+1, INF));
    int mo = INF;
    dp[0][0] = n*k;
    for(int i = 0; i < m; i++)  {
        for(int j = 0; j <= s; j++) {
            if(dp[i][j] != INF) {
                dp[i+1][j] = min(dp[i+1][j], dp[i][j]);
                if(j + b[i] >= s2 && dp[i][j] - min(b[i], n) <= 0) mo = min(mo, j+b[i] - s2);
                dp[i+1][j+b[i]] = min(dp[i+1][j+b[i]], dp[i][j] - min(b[i], n));
            }

            //cout << i << ", " << j << ": " << dp[i][j] << endl;
        }
    }
    if(mo == INF) cout << "Impossible" << endl;
    else cout << mo << endl;

    return 0;
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:23:25: warning: unused variable 'must' [-Wunused-variable]
   23 |     int s = 0, s2 = 0,  must = (n)*(k-1);
      |                         ^~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 240 KB Output is correct
8 Correct 1 ms 212 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 240 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 532 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 68844 KB Output is correct
2 Correct 51 ms 51404 KB Output is correct
3 Correct 86 ms 57104 KB Output is correct
4 Correct 140 ms 98252 KB Output is correct
5 Correct 130 ms 98508 KB Output is correct
6 Correct 39 ms 41492 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 240 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 532 KB Output is correct
14 Correct 68 ms 68844 KB Output is correct
15 Correct 51 ms 51404 KB Output is correct
16 Correct 86 ms 57104 KB Output is correct
17 Correct 140 ms 98252 KB Output is correct
18 Correct 130 ms 98508 KB Output is correct
19 Correct 39 ms 41492 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 43 ms 50352 KB Output is correct
26 Correct 56 ms 62164 KB Output is correct
27 Correct 28 ms 18388 KB Output is correct
28 Correct 76 ms 51544 KB Output is correct
29 Correct 101 ms 70004 KB Output is correct
30 Correct 137 ms 100708 KB Output is correct