#include <bits/stdc++.h>
using namespace std;
#define int long long
#define double long double
#define FOR(i, l, r, d) for(int i=(l); i<=(r); i+=(d))
#define szof(x) ((int)(x).size())
#define vi vector<int>
#define pii pair<int, int>
#define F first
#define S second
#define pb push_back
#define eb emplace_back
#define mkp make_pair
const int INF = INT_MAX;
const int LNF = INF*INF;
const int MOD = 1000000007;
const int mod = 998244353;
const double eps = 1e-12;
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
const int MAX = 300010;
int n, m;
int A[MAX], B[MAX];
bool check(int T){
int rem = n*m;
FOR(i, 1, n, 1){
int cost = 0;
int tmp = T;
if(A[i] > B[i]){ // use A first
if(tmp > A[i] * m){ // A -> B
rem -= m;
tmp -= A[i] * m;
cost = (tmp + B[i] - 1) / B[i];
rem -= cost;
}
else{ // A only
cost = (tmp + A[i] - 1) / A[i];
rem -= cost;
}
}
else{ // always use B
cost = (T + B[i] - 1) / B[i];
rem -= cost;
}
if(rem < 0) return 0;
}
return 1;
//cerr<<"check "<<T<<" : rem = "<<rem<<endl;
//return (rem >= 0);
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>n>>m;
FOR(i, 1, n, 1){
cin>>A[i];
}
FOR(i, 1, n, 1){
cin>>B[i];
}
int L = 0, R = LNF, mid;
while(L < R){
mid = (L + R + 1) / 2;
if(check(mid)) L = mid;
else R = mid - 1;
}
cout<<L<<'\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
2 ms |
460 KB |
Output is correct |
11 |
Correct |
105 ms |
10596 KB |
Output is correct |
12 |
Correct |
108 ms |
10708 KB |
Output is correct |
13 |
Correct |
87 ms |
8840 KB |
Output is correct |
14 |
Correct |
71 ms |
8764 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
30 ms |
6080 KB |
Output is correct |
17 |
Correct |
112 ms |
11456 KB |
Output is correct |
18 |
Correct |
101 ms |
10816 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
30 ms |
6080 KB |
Output is correct |
3 |
Correct |
112 ms |
11456 KB |
Output is correct |
4 |
Correct |
101 ms |
10816 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
51 ms |
5380 KB |
Output is correct |
14 |
Correct |
35 ms |
3796 KB |
Output is correct |
15 |
Correct |
25 ms |
2880 KB |
Output is correct |
16 |
Correct |
20 ms |
2412 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
3 ms |
436 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
2 ms |
460 KB |
Output is correct |
11 |
Correct |
105 ms |
10596 KB |
Output is correct |
12 |
Correct |
108 ms |
10708 KB |
Output is correct |
13 |
Correct |
87 ms |
8840 KB |
Output is correct |
14 |
Correct |
71 ms |
8764 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
51 ms |
5380 KB |
Output is correct |
24 |
Correct |
35 ms |
3796 KB |
Output is correct |
25 |
Correct |
25 ms |
2880 KB |
Output is correct |
26 |
Correct |
20 ms |
2412 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
3 ms |
436 KB |
Output is correct |
34 |
Correct |
0 ms |
204 KB |
Output is correct |
35 |
Correct |
30 ms |
6080 KB |
Output is correct |
36 |
Correct |
112 ms |
11456 KB |
Output is correct |
37 |
Correct |
101 ms |
10816 KB |
Output is correct |
38 |
Correct |
1 ms |
312 KB |
Output is correct |
39 |
Correct |
1 ms |
204 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
1 ms |
204 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
320 KB |
Output is correct |
44 |
Correct |
0 ms |
204 KB |
Output is correct |
45 |
Correct |
2 ms |
460 KB |
Output is correct |
46 |
Correct |
4 ms |
720 KB |
Output is correct |
47 |
Correct |
1 ms |
332 KB |
Output is correct |
48 |
Correct |
18 ms |
2124 KB |
Output is correct |
49 |
Correct |
1 ms |
332 KB |
Output is correct |
50 |
Correct |
1 ms |
332 KB |
Output is correct |
51 |
Correct |
3 ms |
404 KB |
Output is correct |
52 |
Correct |
1 ms |
204 KB |
Output is correct |
53 |
Correct |
0 ms |
204 KB |
Output is correct |
54 |
Correct |
1 ms |
316 KB |
Output is correct |
55 |
Correct |
54 ms |
5420 KB |
Output is correct |
56 |
Correct |
32 ms |
3032 KB |
Output is correct |
57 |
Correct |
27 ms |
3124 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
51 ms |
5380 KB |
Output is correct |
10 |
Correct |
35 ms |
3796 KB |
Output is correct |
11 |
Correct |
25 ms |
2880 KB |
Output is correct |
12 |
Correct |
20 ms |
2412 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
3 ms |
436 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
30 ms |
6080 KB |
Output is correct |
22 |
Correct |
112 ms |
11456 KB |
Output is correct |
23 |
Correct |
101 ms |
10816 KB |
Output is correct |
24 |
Correct |
29 ms |
1876 KB |
Output is correct |
25 |
Correct |
70 ms |
4948 KB |
Output is correct |
26 |
Correct |
13 ms |
1400 KB |
Output is correct |
27 |
Correct |
94 ms |
10776 KB |
Output is correct |
28 |
Correct |
102 ms |
10692 KB |
Output is correct |
29 |
Correct |
102 ms |
10684 KB |
Output is correct |
30 |
Correct |
123 ms |
10684 KB |
Output is correct |
31 |
Correct |
210 ms |
10744 KB |
Output is correct |
32 |
Correct |
117 ms |
6084 KB |
Output is correct |
33 |
Correct |
252 ms |
11332 KB |
Output is correct |
34 |
Correct |
118 ms |
6084 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
320 KB |
Output is correct |
8 |
Correct |
1 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
2 ms |
460 KB |
Output is correct |
11 |
Correct |
105 ms |
10596 KB |
Output is correct |
12 |
Correct |
108 ms |
10708 KB |
Output is correct |
13 |
Correct |
87 ms |
8840 KB |
Output is correct |
14 |
Correct |
71 ms |
8764 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
51 ms |
5380 KB |
Output is correct |
24 |
Correct |
35 ms |
3796 KB |
Output is correct |
25 |
Correct |
25 ms |
2880 KB |
Output is correct |
26 |
Correct |
20 ms |
2412 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
3 ms |
436 KB |
Output is correct |
34 |
Correct |
1 ms |
312 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
204 KB |
Output is correct |
38 |
Correct |
1 ms |
204 KB |
Output is correct |
39 |
Correct |
1 ms |
320 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
2 ms |
460 KB |
Output is correct |
42 |
Correct |
4 ms |
720 KB |
Output is correct |
43 |
Correct |
1 ms |
332 KB |
Output is correct |
44 |
Correct |
18 ms |
2124 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
332 KB |
Output is correct |
47 |
Correct |
3 ms |
404 KB |
Output is correct |
48 |
Correct |
1 ms |
204 KB |
Output is correct |
49 |
Correct |
0 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
316 KB |
Output is correct |
51 |
Correct |
54 ms |
5420 KB |
Output is correct |
52 |
Correct |
32 ms |
3032 KB |
Output is correct |
53 |
Correct |
27 ms |
3124 KB |
Output is correct |
54 |
Correct |
29 ms |
1876 KB |
Output is correct |
55 |
Correct |
70 ms |
4948 KB |
Output is correct |
56 |
Correct |
13 ms |
1400 KB |
Output is correct |
57 |
Correct |
94 ms |
10776 KB |
Output is correct |
58 |
Correct |
102 ms |
10692 KB |
Output is correct |
59 |
Correct |
102 ms |
10684 KB |
Output is correct |
60 |
Correct |
123 ms |
10684 KB |
Output is correct |
61 |
Correct |
210 ms |
10744 KB |
Output is correct |
62 |
Correct |
117 ms |
6084 KB |
Output is correct |
63 |
Correct |
252 ms |
11332 KB |
Output is correct |
64 |
Correct |
118 ms |
6084 KB |
Output is correct |
65 |
Correct |
0 ms |
204 KB |
Output is correct |
66 |
Correct |
30 ms |
6080 KB |
Output is correct |
67 |
Correct |
112 ms |
11456 KB |
Output is correct |
68 |
Correct |
101 ms |
10816 KB |
Output is correct |
69 |
Correct |
21 ms |
1348 KB |
Output is correct |
70 |
Correct |
6 ms |
588 KB |
Output is correct |
71 |
Correct |
1 ms |
320 KB |
Output is correct |
72 |
Correct |
32 ms |
1768 KB |
Output is correct |
73 |
Correct |
7 ms |
584 KB |
Output is correct |
74 |
Correct |
1 ms |
332 KB |
Output is correct |
75 |
Correct |
108 ms |
10692 KB |
Output is correct |
76 |
Correct |
124 ms |
10688 KB |
Output is correct |
77 |
Correct |
124 ms |
10660 KB |
Output is correct |
78 |
Correct |
157 ms |
10692 KB |
Output is correct |
79 |
Correct |
213 ms |
10728 KB |
Output is correct |
80 |
Correct |
222 ms |
10756 KB |
Output is correct |
81 |
Correct |
233 ms |
8708 KB |
Output is correct |
82 |
Correct |
181 ms |
8708 KB |
Output is correct |