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Submission #625172

# Submission time Handle Problem Language Result Execution time Memory
625172 2022-08-09T14:16:47 Z iomoon191 Self Study (JOI22_ho_t2) C++17
100 / 100
 655 ms 11460 KB 
#include <bits/stdc++.h>
using ll = long long;
// #define int ll
using namespace std;

#define sz(x) (int)(x).size()
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, l, r) for(int i = l; i >= r; i--)
#define fi first
#define se second
#define mod 998244353

#define db(x) cerr << __LINE__ << " " << #x << " " << x << "\n"
using vi = vector<int>;
using pi = pair<int, int>;

const ll N = 500005;
const ll inf = 1e18;

ll n, m, a[N], b[N];

bool chk(ll x){
	ll res = 0;
	foru(i, 1, n){
		if(a[i] > b[i]){
			ll z = (x + a[i] - 1) / a[i];
			z = min(z, m);
			ll nw = inf;
			foru(j, max(z - 2, 0ll), z){
				ll rem = max(x - a[i] * j, 0ll);
				nw = min(nw, j + (rem + b[i] - 1) / b[i]);
			}
			res += nw;
		}
		else{
			res += (x + b[i] - 1) / b[i];
		}
		if(res > m * n) return false;
	}
	return true;
}

void solve(){
	cin >> n >> m;
	foru(i, 1, n) cin >> a[i];
	foru(i, 1, n) cin >> b[i];
	ll l = 0, r = inf;
	while(l != r){
		ll mid = (l + r + 1) >> 1;
		if(chk(mid)) l = mid;
		else r = mid - 1;
	}
	cout << l << "\n";
}

signed main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	int t = 1; 
	while(t--){
		solve();
	}
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 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 1 ms 324 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 153 ms 10724 KB Output is correct
12 Correct 137 ms 10700 KB Output is correct
13 Correct 86 ms 8800 KB Output is correct
14 Correct 145 ms 8824 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 30 ms 6180 KB Output is correct
17 Correct 107 ms 11372 KB Output is correct
18 Correct 97 ms 10708 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 30 ms 6180 KB Output is correct
3 Correct 107 ms 11372 KB Output is correct
4 Correct 97 ms 10708 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 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 1 ms 340 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 49 ms 5456 KB Output is correct
14 Correct 33 ms 3788 KB Output is correct
15 Correct 24 ms 2896 KB Output is correct
16 Correct 21 ms 2360 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 328 KB Output is correct
21 Correct 1 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 1 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 1 ms 324 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 153 ms 10724 KB Output is correct
12 Correct 137 ms 10700 KB Output is correct
13 Correct 86 ms 8800 KB Output is correct
14 Correct 145 ms 8824 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 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 1 ms 340 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 49 ms 5456 KB Output is correct
24 Correct 33 ms 3788 KB Output is correct
25 Correct 24 ms 2896 KB Output is correct
26 Correct 21 ms 2360 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 328 KB Output is correct
31 Correct 1 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 1 ms 212 KB Output is correct
35 Correct 30 ms 6180 KB Output is correct
36 Correct 107 ms 11372 KB Output is correct
37 Correct 97 ms 10708 KB Output is correct
38 Correct 1 ms 328 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 340 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 5 ms 516 KB Output is correct
46 Correct 5 ms 596 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 29 ms 2048 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 4 ms 468 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 89 ms 5452 KB Output is correct
56 Correct 33 ms 3136 KB Output is correct
57 Correct 69 ms 3160 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 1 ms 212 KB Output is correct
3 Correct 1 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 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 49 ms 5456 KB Output is correct
10 Correct 33 ms 3788 KB Output is correct
11 Correct 24 ms 2896 KB Output is correct
12 Correct 21 ms 2360 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 328 KB Output is correct
17 Correct 1 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 1 ms 212 KB Output is correct
21 Correct 30 ms 6180 KB Output is correct
22 Correct 107 ms 11372 KB Output is correct
23 Correct 97 ms 10708 KB Output is correct
24 Correct 29 ms 1944 KB Output is correct
25 Correct 74 ms 5232 KB Output is correct
26 Correct 13 ms 1364 KB Output is correct
27 Correct 104 ms 10820 KB Output is correct
28 Correct 97 ms 10716 KB Output is correct
29 Correct 101 ms 10708 KB Output is correct
30 Correct 126 ms 10824 KB Output is correct
31 Correct 206 ms 10700 KB Output is correct
32 Correct 116 ms 6188 KB Output is correct
33 Correct 247 ms 11460 KB Output is correct
34 Correct 113 ms 6180 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 1 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 1 ms 324 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 0 ms 328 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 153 ms 10724 KB Output is correct
12 Correct 137 ms 10700 KB Output is correct
13 Correct 86 ms 8800 KB Output is correct
14 Correct 145 ms 8824 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 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 1 ms 340 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 49 ms 5456 KB Output is correct
24 Correct 33 ms 3788 KB Output is correct
25 Correct 24 ms 2896 KB Output is correct
26 Correct 21 ms 2360 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 328 KB Output is correct
31 Correct 1 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 1 ms 328 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 340 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 5 ms 516 KB Output is correct
42 Correct 5 ms 596 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 29 ms 2048 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 4 ms 468 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 89 ms 5452 KB Output is correct
52 Correct 33 ms 3136 KB Output is correct
53 Correct 69 ms 3160 KB Output is correct
54 Correct 29 ms 1944 KB Output is correct
55 Correct 74 ms 5232 KB Output is correct
56 Correct 13 ms 1364 KB Output is correct
57 Correct 104 ms 10820 KB Output is correct
58 Correct 97 ms 10716 KB Output is correct
59 Correct 101 ms 10708 KB Output is correct
60 Correct 126 ms 10824 KB Output is correct
61 Correct 206 ms 10700 KB Output is correct
62 Correct 116 ms 6188 KB Output is correct
63 Correct 247 ms 11460 KB Output is correct
64 Correct 113 ms 6180 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 30 ms 6180 KB Output is correct
67 Correct 107 ms 11372 KB Output is correct
68 Correct 97 ms 10708 KB Output is correct
69 Correct 37 ms 1364 KB Output is correct
70 Correct 10 ms 612 KB Output is correct
71 Correct 1 ms 328 KB Output is correct
72 Correct 51 ms 1832 KB Output is correct
73 Correct 11 ms 596 KB Output is correct
74 Correct 1 ms 344 KB Output is correct
75 Correct 176 ms 10852 KB Output is correct
76 Correct 215 ms 10808 KB Output is correct
77 Correct 202 ms 10700 KB Output is correct
78 Correct 263 ms 10828 KB Output is correct
79 Correct 340 ms 10692 KB Output is correct
80 Correct 368 ms 10908 KB Output is correct
81 Correct 222 ms 8916 KB Output is correct
82 Correct 655 ms 8824 KB Output is correct