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Submission #828290

# Submission time Handle Problem Language Result Execution time Memory
828290 2023-08-17T07:54:04 Z RaresFelix Self Study (JOI22_ho_t2) C++17
100 / 100
 349 ms 11436 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
const int MN = 300001;
const ll INF = 1e18 + 71;

ll n, m, A[MN], B[MN];
ll mini = INF;

bool ok(ll val, int dbg) {
    if(!val) return 1;
    ll nr_sar = 0;
    for(int i = 1; i <= n; ++i) {
        if((val - 1) / A[i] + 1 <= m) {
            nr_sar += m - ((val - 1) / A[i] + 1);
            if(dbg) {
                assert((m - ((val - 1) / A[i] + 1) == 0));
            }
            assert((m - ((val - 1) / A[i] + 1)) >= 0);
        } else {
            nr_sar -= (val - m * A[i] - 1) / B[i] + 1;
            assert(((val - m * A[i] - 1) / B[i] + 1) >= 0);
        }
        if(nr_sar < - n * m) return 0;
        if(dbg) assert(!(nr_sar > 0));
    }
    return (nr_sar >= 0);
}

int main() {
    cin >> n >> m;
    for(int i = 1; i <= n; ++i) cin >> A[i];
    for(int i = 1; i <= n; ++i) {
        cin >> B[i];
        if(A[i] < B[i]) A[i] = B[i];
    }
    for(int i = 1; i <= n; ++i) mini = min(A[i], mini);
    ll st = 0, dr = INF, mij;
    while(st < dr) {
        mij = st + (dr - st + 1) / 2;
        if(ok(mij, 0)) {
            st = mij;
        }  else dr = mij - 1;
    }
    if(m == 1) {
        ok(st, 1);
        assert(st == mini);
        cout << st << "\n";
    } else 
        cout << st << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 300 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 234 ms 6576 KB Output is correct
12 Correct 215 ms 6532 KB Output is correct
13 Correct 194 ms 6648 KB Output is correct
14 Correct 153 ms 6612 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 69 ms 6096 KB Output is correct
17 Correct 246 ms 11316 KB Output is correct
18 Correct 203 ms 10732 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 69 ms 6096 KB Output is correct
3 Correct 246 ms 11316 KB Output is correct
4 Correct 203 ms 10732 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 0 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 112 ms 4288 KB Output is correct
14 Correct 70 ms 3280 KB Output is correct
15 Correct 61 ms 2340 KB Output is correct
16 Correct 50 ms 2048 KB Output is correct
17 Correct 1 ms 212 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 2 ms 340 KB Output is correct
23 Correct 5 ms 444 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 300 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 234 ms 6576 KB Output is correct
12 Correct 215 ms 6532 KB Output is correct
13 Correct 194 ms 6648 KB Output is correct
14 Correct 153 ms 6612 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 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 212 KB Output is correct
23 Correct 112 ms 4288 KB Output is correct
24 Correct 70 ms 3280 KB Output is correct
25 Correct 61 ms 2340 KB Output is correct
26 Correct 50 ms 2048 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 5 ms 444 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 69 ms 6096 KB Output is correct
36 Correct 246 ms 11316 KB Output is correct
37 Correct 203 ms 10732 KB Output is correct
38 Correct 0 ms 312 KB Output is correct
39 Correct 1 ms 308 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 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 304 KB Output is correct
45 Correct 4 ms 452 KB Output is correct
46 Correct 7 ms 596 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 46 ms 2092 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 4 ms 468 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 117 ms 5448 KB Output is correct
56 Correct 64 ms 3020 KB Output is correct
57 Correct 49 ms 3032 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 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 112 ms 4288 KB Output is correct
10 Correct 70 ms 3280 KB Output is correct
11 Correct 61 ms 2340 KB Output is correct
12 Correct 50 ms 2048 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 5 ms 444 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 69 ms 6096 KB Output is correct
22 Correct 246 ms 11316 KB Output is correct
23 Correct 203 ms 10732 KB Output is correct
24 Correct 47 ms 1856 KB Output is correct
25 Correct 123 ms 4916 KB Output is correct
26 Correct 25 ms 1364 KB Output is correct
27 Correct 273 ms 10700 KB Output is correct
28 Correct 213 ms 10780 KB Output is correct
29 Correct 217 ms 10736 KB Output is correct
30 Correct 267 ms 10780 KB Output is correct
31 Correct 314 ms 10788 KB Output is correct
32 Correct 183 ms 6152 KB Output is correct
33 Correct 349 ms 11436 KB Output is correct
34 Correct 200 ms 6144 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 300 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 234 ms 6576 KB Output is correct
12 Correct 215 ms 6532 KB Output is correct
13 Correct 194 ms 6648 KB Output is correct
14 Correct 153 ms 6612 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 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 212 KB Output is correct
23 Correct 112 ms 4288 KB Output is correct
24 Correct 70 ms 3280 KB Output is correct
25 Correct 61 ms 2340 KB Output is correct
26 Correct 50 ms 2048 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 5 ms 444 KB Output is correct
34 Correct 0 ms 312 KB Output is correct
35 Correct 1 ms 308 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 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 304 KB Output is correct
41 Correct 4 ms 452 KB Output is correct
42 Correct 7 ms 596 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 46 ms 2092 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 4 ms 468 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 117 ms 5448 KB Output is correct
52 Correct 64 ms 3020 KB Output is correct
53 Correct 49 ms 3032 KB Output is correct
54 Correct 47 ms 1856 KB Output is correct
55 Correct 123 ms 4916 KB Output is correct
56 Correct 25 ms 1364 KB Output is correct
57 Correct 273 ms 10700 KB Output is correct
58 Correct 213 ms 10780 KB Output is correct
59 Correct 217 ms 10736 KB Output is correct
60 Correct 267 ms 10780 KB Output is correct
61 Correct 314 ms 10788 KB Output is correct
62 Correct 183 ms 6152 KB Output is correct
63 Correct 349 ms 11436 KB Output is correct
64 Correct 200 ms 6144 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 69 ms 6096 KB Output is correct
67 Correct 246 ms 11316 KB Output is correct
68 Correct 203 ms 10732 KB Output is correct
69 Correct 34 ms 1364 KB Output is correct
70 Correct 9 ms 588 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 53 ms 1760 KB Output is correct
73 Correct 10 ms 596 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 229 ms 10768 KB Output is correct
76 Correct 231 ms 10788 KB Output is correct
77 Correct 243 ms 10748 KB Output is correct
78 Correct 279 ms 10784 KB Output is correct
79 Correct 337 ms 10788 KB Output is correct
80 Correct 347 ms 10760 KB Output is correct
81 Correct 287 ms 8800 KB Output is correct
82 Correct 294 ms 8920 KB Output is correct