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답안 #789046

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
789046 2023-07-20T22:14:22 Z stefanneagu Self Study (JOI22_ho_t2) C++17
62 / 100
 1000 ms 22772 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 == 50) {
                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 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 244 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 10 ms 596 KB Output is correct
11 Correct 187 ms 22552 KB Output is correct
12 Correct 211 ms 22772 KB Output is correct
13 Correct 115 ms 22544 KB Output is correct
14 Correct 99 ms 22536 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 92 ms 22612 KB Output is correct
17 Correct 116 ms 22504 KB Output is correct
18 Correct 185 ms 22568 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 92 ms 22612 KB Output is correct
3 Correct 116 ms 22504 KB Output is correct
4 Correct 185 ms 22568 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 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 120 ms 11468 KB Output is correct
14 Correct 90 ms 7756 KB Output is correct
15 Correct 52 ms 5824 KB Output is correct
16 Correct 76 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 18 ms 336 KB Output is correct
20 Correct 11 ms 336 KB Output is correct
21 Correct 10 ms 212 KB Output is correct
22 Correct 45 ms 596 KB Output is correct
23 Correct 43 ms 664 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 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 244 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 10 ms 596 KB Output is correct
11 Correct 187 ms 22552 KB Output is correct
12 Correct 211 ms 22772 KB Output is correct
13 Correct 115 ms 22544 KB Output is correct
14 Correct 99 ms 22536 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 120 ms 11468 KB Output is correct
24 Correct 90 ms 7756 KB Output is correct
25 Correct 52 ms 5824 KB Output is correct
26 Correct 76 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 18 ms 336 KB Output is correct
30 Correct 11 ms 336 KB Output is correct
31 Correct 10 ms 212 KB Output is correct
32 Correct 45 ms 596 KB Output is correct
33 Correct 43 ms 664 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 92 ms 22612 KB Output is correct
36 Correct 116 ms 22504 KB Output is correct
37 Correct 185 ms 22568 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 212 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 0 ms 340 KB Output is correct
45 Correct 38 ms 596 KB Output is correct
46 Correct 6 ms 1008 KB Output is correct
47 Correct 7 ms 408 KB Output is correct
48 Correct 34 ms 4088 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 34 ms 340 KB Output is correct
51 Correct 45 ms 668 KB Output is correct
52 Correct 11 ms 340 KB Output is correct
53 Correct 25 ms 212 KB Output is correct
54 Correct 30 ms 340 KB Output is correct
55 Correct 108 ms 11312 KB Output is correct
56 Correct 76 ms 7756 KB Output is correct
57 Correct 75 ms 7752 KB Output is correct

Subtask #4
0 / 29.0

# 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 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 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 120 ms 11468 KB Output is correct
10 Correct 90 ms 7756 KB Output is correct
11 Correct 52 ms 5824 KB Output is correct
12 Correct 76 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 18 ms 336 KB Output is correct
16 Correct 11 ms 336 KB Output is correct
17 Correct 10 ms 212 KB Output is correct
18 Correct 45 ms 596 KB Output is correct
19 Correct 43 ms 664 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 92 ms 22612 KB Output is correct
22 Correct 116 ms 22504 KB Output is correct
23 Correct 185 ms 22568 KB Output is correct
24 Execution timed out 1093 ms 3740 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 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 244 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 10 ms 596 KB Output is correct
11 Correct 187 ms 22552 KB Output is correct
12 Correct 211 ms 22772 KB Output is correct
13 Correct 115 ms 22544 KB Output is correct
14 Correct 99 ms 22536 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 120 ms 11468 KB Output is correct
24 Correct 90 ms 7756 KB Output is correct
25 Correct 52 ms 5824 KB Output is correct
26 Correct 76 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 18 ms 336 KB Output is correct
30 Correct 11 ms 336 KB Output is correct
31 Correct 10 ms 212 KB Output is correct
32 Correct 45 ms 596 KB Output is correct
33 Correct 43 ms 664 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 212 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 0 ms 340 KB Output is correct
41 Correct 38 ms 596 KB Output is correct
42 Correct 6 ms 1008 KB Output is correct
43 Correct 7 ms 408 KB Output is correct
44 Correct 34 ms 4088 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 34 ms 340 KB Output is correct
47 Correct 45 ms 668 KB Output is correct
48 Correct 11 ms 340 KB Output is correct
49 Correct 25 ms 212 KB Output is correct
50 Correct 30 ms 340 KB Output is correct
51 Correct 108 ms 11312 KB Output is correct
52 Correct 76 ms 7756 KB Output is correct
53 Correct 75 ms 7752 KB Output is correct
54 Execution timed out 1093 ms 3740 KB Time limit exceeded
55 Halted 0 ms 0 KB -