oj.uz

Submission #828577

# Submission time Handle Problem Language Result Execution time Memory
828577 2023-08-17T11:40:07 Z green_gold_dog Self Study (JOI22_ho_t2) C++17
100 / 100
 218 ms 9220 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,abm,popcnt,mmx")
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef double db;
typedef long double ldb;
typedef complex<double> cd;

constexpr ll INF64 = 3'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007;
constexpr db PI = acos(-1);
constexpr bool IS_FILE = false, IS_TEST_CASES = false;

random_device rd;
mt19937 rnd32(rd());
mt19937_64 rnd64(rd());

template<typename T>
bool assign_max(T& a, T b) {
        if (b > a) {
                a = b;
                return true;
        }
        return false;
}

template<typename T>
bool assign_min(T& a, T b) {
        if (b < a) {
                a = b;
                return true;
        }
        return false;
}

template<typename T>
T square(T a) {
        return a * a;
}

template<>
struct std::hash<pair<ll, ll>> {
        ll operator() (pair<ll, ll> p) const {
                return ((__int128)p.first * MOD + p.second) % INF64;
        }
};

void solve() {
        ll n, m;
        cin >> n >> m;
        vector<ll> a(n), b(n);
        for (ll i = 0; i < n; i++) {
                cin >> a[i];
        }
        for (ll i = 0; i < n; i++) {
                cin >> b[i];
        }
        ll l = 0, r = INF64;
        while (r - l > 1) {
                ll mid = (l + r) / 2;
                ll nc = 0;
                for (ll i = 0; i < n; i++) {
                        ll need = mid;
                        if (a[i] > b[i]) {
                                ll can = min(m, (need + a[i] - 1) / a[i]);
                                need -= can * a[i];
                                nc += can;
                        }
                        if (need > 0) {
                                nc += (need + b[i] - 1) / b[i];
                        }
                        if (nc > n * m) {
                                break;
                        }
                }
                if (nc <= n * m) {
                        l = mid;
                } else {
                        r = mid;
                }
        }
        cout << l << '\n';
}

int main() {
        if (IS_FILE) {
                freopen("", "r", stdin);
                freopen("", "w", stdout);
        }
        ios_base::sync_with_stdio(false);
        cin.tie(0);
        cout.tie(0);
        ll t = 1;
        if (IS_TEST_CASES) {
                cin >> t;
        }
        for (ll i = 0; i < t; i++) {
                solve();
        }
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:89:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |                 freopen("", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~
Main.cpp:90:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   90 |                 freopen("", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 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 1 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 340 KB Output is correct
11 Correct 97 ms 5028 KB Output is correct
12 Correct 97 ms 5020 KB Output is correct
13 Correct 70 ms 5016 KB Output is correct
14 Correct 68 ms 4948 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 27 ms 4948 KB Output is correct
17 Correct 81 ms 4948 KB Output is correct
18 Correct 82 ms 5020 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 27 ms 4948 KB Output is correct
3 Correct 81 ms 4948 KB Output is correct
4 Correct 82 ms 5020 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 43 ms 2672 KB Output is correct
14 Correct 28 ms 1908 KB Output is correct
15 Correct 20 ms 1492 KB Output is correct
16 Correct 18 ms 1236 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 1 ms 340 KB Output is correct
23 Correct 3 ms 468 KB Output is correct

Subtask #3
27.0 / 27.0

# 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 1 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 340 KB Output is correct
11 Correct 97 ms 5028 KB Output is correct
12 Correct 97 ms 5020 KB Output is correct
13 Correct 70 ms 5016 KB Output is correct
14 Correct 68 ms 4948 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 43 ms 2672 KB Output is correct
24 Correct 28 ms 1908 KB Output is correct
25 Correct 20 ms 1492 KB Output is correct
26 Correct 18 ms 1236 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 1 ms 340 KB Output is correct
33 Correct 3 ms 468 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 27 ms 4948 KB Output is correct
36 Correct 81 ms 4948 KB Output is correct
37 Correct 82 ms 5020 KB Output is correct
38 Correct 0 ms 332 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 332 KB Output is correct
42 Correct 0 ms 328 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 2 ms 468 KB Output is correct
46 Correct 3 ms 596 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 19 ms 2132 KB Output is correct
49 Correct 0 ms 336 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 2 ms 500 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 60 ms 5580 KB Output is correct
56 Correct 26 ms 3184 KB Output is correct
57 Correct 21 ms 3172 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 43 ms 2672 KB Output is correct
10 Correct 28 ms 1908 KB Output is correct
11 Correct 20 ms 1492 KB Output is correct
12 Correct 18 ms 1236 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 1 ms 340 KB Output is correct
19 Correct 3 ms 468 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 27 ms 4948 KB Output is correct
22 Correct 81 ms 4948 KB Output is correct
23 Correct 82 ms 5020 KB Output is correct
24 Correct 26 ms 1956 KB Output is correct
25 Correct 62 ms 4992 KB Output is correct
26 Correct 11 ms 1364 KB Output is correct
27 Correct 84 ms 9052 KB Output is correct
28 Correct 93 ms 9076 KB Output is correct
29 Correct 92 ms 9040 KB Output is correct
30 Correct 110 ms 9012 KB Output is correct
31 Correct 187 ms 9116 KB Output is correct
32 Correct 107 ms 6100 KB Output is correct
33 Correct 213 ms 9000 KB Output is correct
34 Correct 104 ms 6172 KB Output is correct

Subtask #5
9.0 / 9.0

# 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 1 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 340 KB Output is correct
11 Correct 97 ms 5028 KB Output is correct
12 Correct 97 ms 5020 KB Output is correct
13 Correct 70 ms 5016 KB Output is correct
14 Correct 68 ms 4948 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 43 ms 2672 KB Output is correct
24 Correct 28 ms 1908 KB Output is correct
25 Correct 20 ms 1492 KB Output is correct
26 Correct 18 ms 1236 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 1 ms 340 KB Output is correct
33 Correct 3 ms 468 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 332 KB Output is correct
38 Correct 0 ms 328 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 3 ms 596 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 19 ms 2132 KB Output is correct
45 Correct 0 ms 336 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 2 ms 500 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 60 ms 5580 KB Output is correct
52 Correct 26 ms 3184 KB Output is correct
53 Correct 21 ms 3172 KB Output is correct
54 Correct 26 ms 1956 KB Output is correct
55 Correct 62 ms 4992 KB Output is correct
56 Correct 11 ms 1364 KB Output is correct
57 Correct 84 ms 9052 KB Output is correct
58 Correct 93 ms 9076 KB Output is correct
59 Correct 92 ms 9040 KB Output is correct
60 Correct 110 ms 9012 KB Output is correct
61 Correct 187 ms 9116 KB Output is correct
62 Correct 107 ms 6100 KB Output is correct
63 Correct 213 ms 9000 KB Output is correct
64 Correct 104 ms 6172 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 27 ms 4948 KB Output is correct
67 Correct 81 ms 4948 KB Output is correct
68 Correct 82 ms 5020 KB Output is correct
69 Correct 21 ms 1492 KB Output is correct
70 Correct 6 ms 596 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 30 ms 1752 KB Output is correct
73 Correct 6 ms 596 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 111 ms 9088 KB Output is correct
76 Correct 120 ms 9112 KB Output is correct
77 Correct 134 ms 9112 KB Output is correct
78 Correct 151 ms 9116 KB Output is correct
79 Correct 201 ms 9096 KB Output is correct
80 Correct 218 ms 9220 KB Output is correct
81 Correct 198 ms 8712 KB Output is correct
82 Correct 192 ms 8896 KB Output is correct