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답안 #789047

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
789047 2023-07-20T22:15:08 Z stefanneagu Self Study (JOI22_ho_t2) C++17
62 / 100
 1000 ms 22612 KB 
#include <iostream>
#include <set>
#include <algorithm>
 
using namespace std;
 
const int nmax = 3e5 + 7;
 
int v[nmax], b[nmax], cnt[nmax], n, k;
long long unu = 1;

struct pairing {
    long long first;
    int second;
    const bool operator < (pairing a) const {
        if(first != a.first) {
            return first < a.first;
        } else {
            return second > a.second;
        }
    }
};
 
bool check(long long x) {
    long long sum = 0;
    for(int i = 1; i <= n; i ++) {
        long long curr = x / v[i];
        if(v[i] * curr < x) {
            curr ++;
        }
        sum += curr;
    }
    if(sum <= n * k) {
        return 1;
    }
    return 0;
}
 
int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie();
    cout.tie();
    int test = 1;
    cin >> n >> k;
    for(int i = 1; i <= n; i ++) {
        cin >> v[i];
    } 
    for(int i = 1; i <= n; i ++){
        cin >> b[i];
        if(v[i] != b[i]) {
            test = 1;
        }
    }
    if(!test) {
        long long l = 0, r = 1e18;
        int opr = 0;
        while(l < r) {
            opr ++;
            long long mid = (l + r) / 2;
            if(check(mid) == 1) {
                l = mid + 1;
            } else {
                r = mid - 1;
            }
            if(opr == 20) {
                break;
            }
        }
        cout << max(unu, r);
        return 0;
    }
    set<pairing> pq;
    for(int i = 1; i <= n; i ++) {
        pq.insert({max(v[i], b[i]), i});
        cnt[i] = 1;
    }
    for(int i = 2; i <= k; i ++) {
        for(int j = 1; j <= n; j ++) {
            pairing curr = *(pq.begin());
            long long sum = curr.first;
            int ind = curr.second;
            pq.erase({sum, ind});
            if(cnt[ind] < k) {
                sum += max(v[ind], b[ind]);
                cnt[ind] ++;
            } else {
                sum +=  b[ind];
            }
            pq.insert({sum, ind});
        }
    } 
    long long minn = 1e18;
    for(auto it : pq) {
        // cout << it.first << " " << it.second << endl;
        minn = min(minn, it.first);
    }
    cout << minn;
    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 226 ms 22604 KB Output is correct
12 Correct 177 ms 22604 KB Output is correct
13 Correct 99 ms 22612 KB Output is correct
14 Correct 99 ms 22564 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 90 ms 22548 KB Output is correct
17 Correct 114 ms 22596 KB Output is correct
18 Correct 197 ms 22548 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 90 ms 22548 KB Output is correct
3 Correct 114 ms 22596 KB Output is correct
4 Correct 197 ms 22548 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 288 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 98 ms 11464 KB Output is correct
14 Correct 78 ms 7764 KB Output is correct
15 Correct 48 ms 5868 KB Output is correct
16 Correct 75 ms 4776 KB Output is correct
17 Correct 27 ms 340 KB Output is correct
18 Correct 21 ms 336 KB Output is correct
19 Correct 17 ms 316 KB Output is correct
20 Correct 10 ms 336 KB Output is correct
21 Correct 10 ms 212 KB Output is correct
22 Correct 43 ms 596 KB Output is correct
23 Correct 42 ms 596 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 226 ms 22604 KB Output is correct
12 Correct 177 ms 22604 KB Output is correct
13 Correct 99 ms 22612 KB Output is correct
14 Correct 99 ms 22564 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 288 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 98 ms 11464 KB Output is correct
24 Correct 78 ms 7764 KB Output is correct
25 Correct 48 ms 5868 KB Output is correct
26 Correct 75 ms 4776 KB Output is correct
27 Correct 27 ms 340 KB Output is correct
28 Correct 21 ms 336 KB Output is correct
29 Correct 17 ms 316 KB Output is correct
30 Correct 10 ms 336 KB Output is correct
31 Correct 10 ms 212 KB Output is correct
32 Correct 43 ms 596 KB Output is correct
33 Correct 42 ms 596 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 90 ms 22548 KB Output is correct
36 Correct 114 ms 22596 KB Output is correct
37 Correct 197 ms 22548 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 36 ms 596 KB Output is correct
46 Correct 6 ms 932 KB Output is correct
47 Correct 7 ms 340 KB Output is correct
48 Correct 30 ms 4052 KB Output is correct
49 Correct 2 ms 212 KB Output is correct
50 Correct 34 ms 352 KB Output is correct
51 Correct 46 ms 596 KB Output is correct
52 Correct 10 ms 212 KB Output is correct
53 Correct 25 ms 332 KB Output is correct
54 Correct 30 ms 340 KB Output is correct
55 Correct 103 ms 11372 KB Output is correct
56 Correct 79 ms 7764 KB Output is correct
57 Correct 78 ms 7752 KB Output is correct

Subtask #4
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 288 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 98 ms 11464 KB Output is correct
10 Correct 78 ms 7764 KB Output is correct
11 Correct 48 ms 5868 KB Output is correct
12 Correct 75 ms 4776 KB Output is correct
13 Correct 27 ms 340 KB Output is correct
14 Correct 21 ms 336 KB Output is correct
15 Correct 17 ms 316 KB Output is correct
16 Correct 10 ms 336 KB Output is correct
17 Correct 10 ms 212 KB Output is correct
18 Correct 43 ms 596 KB Output is correct
19 Correct 42 ms 596 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 90 ms 22548 KB Output is correct
22 Correct 114 ms 22596 KB Output is correct
23 Correct 197 ms 22548 KB Output is correct
24 Execution timed out 1087 ms 3668 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 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 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 226 ms 22604 KB Output is correct
12 Correct 177 ms 22604 KB Output is correct
13 Correct 99 ms 22612 KB Output is correct
14 Correct 99 ms 22564 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 288 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 98 ms 11464 KB Output is correct
24 Correct 78 ms 7764 KB Output is correct
25 Correct 48 ms 5868 KB Output is correct
26 Correct 75 ms 4776 KB Output is correct
27 Correct 27 ms 340 KB Output is correct
28 Correct 21 ms 336 KB Output is correct
29 Correct 17 ms 316 KB Output is correct
30 Correct 10 ms 336 KB Output is correct
31 Correct 10 ms 212 KB Output is correct
32 Correct 43 ms 596 KB Output is correct
33 Correct 42 ms 596 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 36 ms 596 KB Output is correct
42 Correct 6 ms 932 KB Output is correct
43 Correct 7 ms 340 KB Output is correct
44 Correct 30 ms 4052 KB Output is correct
45 Correct 2 ms 212 KB Output is correct
46 Correct 34 ms 352 KB Output is correct
47 Correct 46 ms 596 KB Output is correct
48 Correct 10 ms 212 KB Output is correct
49 Correct 25 ms 332 KB Output is correct
50 Correct 30 ms 340 KB Output is correct
51 Correct 103 ms 11372 KB Output is correct
52 Correct 79 ms 7764 KB Output is correct
53 Correct 78 ms 7752 KB Output is correct
54 Execution timed out 1087 ms 3668 KB Time limit exceeded
55 Halted 0 ms 0 KB -