// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h>
using namespace std;
#define REP(i, s, e) for (int i = (s); i < (e); i++)
#define RREP(i, s, e) for (int i = (s); i >= (e); i--)
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;
#ifndef DEBUG
#define cerr if (0) cerr
#endif
const int INF = 1000000005;
const ll LINF = 2000000000000000005ll;
const int MAXN = 300005;
int n, m;
int a[MAXN], b[MAXN];
ll need[MAXN];
bool isPos(ll x) {
ll ex = 0;
REP (i, 0, n) {
need[i] = x;
if (a[i] <= b[i]) {
ex += m;
continue;
}
ll use = min((ll) m, (x - 1) / a[i] + 1);
ex += m - use;
need[i] = max(0ll, x - use * a[i]);
}
REP (i, 0, n) {
if (need[i] == 0) {
continue;
}
ll use = (need[i] - 1) / b[i] + 1;
ex -= use;
if (ex < 0) {
return 0;
}
}
return ex >= 0;
}
int main() {
#ifndef DEBUG
ios::sync_with_stdio(0), cin.tie(0);
#endif
cin >> n >> m;
REP (i, 0, n) {
cin >> a[i];
}
REP (i, 0, n) {
cin >> b[i];
}
ll lo = 0, hi = LINF, mid;
while (lo < hi) {
mid = lo + hi + 1 >> 1;
if (isPos(mid)) {
lo = mid;
} else {
hi = mid - 1;
}
}
cout << lo << '\n';
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:80:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
80 | mid = lo + hi + 1 >> 1;
| ~~~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 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 |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
200 ms |
4920 KB |
Output is correct |
12 |
Correct |
199 ms |
4996 KB |
Output is correct |
13 |
Correct |
97 ms |
5000 KB |
Output is correct |
14 |
Correct |
156 ms |
5108 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
43 ms |
5016 KB |
Output is correct |
17 |
Correct |
112 ms |
4928 KB |
Output is correct |
18 |
Correct |
109 ms |
4984 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
43 ms |
5016 KB |
Output is correct |
3 |
Correct |
112 ms |
4928 KB |
Output is correct |
4 |
Correct |
109 ms |
4984 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 |
340 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 |
56 ms |
2584 KB |
Output is correct |
14 |
Correct |
35 ms |
1796 KB |
Output is correct |
15 |
Correct |
27 ms |
1516 KB |
Output is correct |
16 |
Correct |
22 ms |
1272 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
4 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 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 |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
200 ms |
4920 KB |
Output is correct |
12 |
Correct |
199 ms |
4996 KB |
Output is correct |
13 |
Correct |
97 ms |
5000 KB |
Output is correct |
14 |
Correct |
156 ms |
5108 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 |
340 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 |
56 ms |
2584 KB |
Output is correct |
24 |
Correct |
35 ms |
1796 KB |
Output is correct |
25 |
Correct |
27 ms |
1516 KB |
Output is correct |
26 |
Correct |
22 ms |
1272 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
4 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
43 ms |
5016 KB |
Output is correct |
36 |
Correct |
112 ms |
4928 KB |
Output is correct |
37 |
Correct |
109 ms |
4984 KB |
Output is correct |
38 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
340 KB |
Output is correct |
45 |
Correct |
4 ms |
468 KB |
Output is correct |
46 |
Correct |
7 ms |
596 KB |
Output is correct |
47 |
Correct |
1 ms |
344 KB |
Output is correct |
48 |
Correct |
34 ms |
2132 KB |
Output is correct |
49 |
Correct |
1 ms |
324 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 |
324 KB |
Output is correct |
53 |
Correct |
1 ms |
212 KB |
Output is correct |
54 |
Correct |
1 ms |
212 KB |
Output is correct |
55 |
Correct |
101 ms |
5420 KB |
Output is correct |
56 |
Correct |
37 ms |
3168 KB |
Output is correct |
57 |
Correct |
62 ms |
3032 KB |
Output is correct |
# |
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 |
0 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 |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
56 ms |
2584 KB |
Output is correct |
10 |
Correct |
35 ms |
1796 KB |
Output is correct |
11 |
Correct |
27 ms |
1516 KB |
Output is correct |
12 |
Correct |
22 ms |
1272 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 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 |
340 KB |
Output is correct |
19 |
Correct |
4 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
43 ms |
5016 KB |
Output is correct |
22 |
Correct |
112 ms |
4928 KB |
Output is correct |
23 |
Correct |
109 ms |
4984 KB |
Output is correct |
24 |
Correct |
34 ms |
960 KB |
Output is correct |
25 |
Correct |
77 ms |
2364 KB |
Output is correct |
26 |
Correct |
14 ms |
724 KB |
Output is correct |
27 |
Correct |
107 ms |
5100 KB |
Output is correct |
28 |
Correct |
109 ms |
5004 KB |
Output is correct |
29 |
Correct |
111 ms |
4944 KB |
Output is correct |
30 |
Correct |
143 ms |
4948 KB |
Output is correct |
31 |
Correct |
211 ms |
5000 KB |
Output is correct |
32 |
Correct |
130 ms |
4948 KB |
Output is correct |
33 |
Correct |
257 ms |
5000 KB |
Output is correct |
34 |
Correct |
126 ms |
4940 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 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 |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
200 ms |
4920 KB |
Output is correct |
12 |
Correct |
199 ms |
4996 KB |
Output is correct |
13 |
Correct |
97 ms |
5000 KB |
Output is correct |
14 |
Correct |
156 ms |
5108 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 |
340 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 |
56 ms |
2584 KB |
Output is correct |
24 |
Correct |
35 ms |
1796 KB |
Output is correct |
25 |
Correct |
27 ms |
1516 KB |
Output is correct |
26 |
Correct |
22 ms |
1272 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
4 ms |
340 KB |
Output is correct |
34 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
4 ms |
468 KB |
Output is correct |
42 |
Correct |
7 ms |
596 KB |
Output is correct |
43 |
Correct |
1 ms |
344 KB |
Output is correct |
44 |
Correct |
34 ms |
2132 KB |
Output is correct |
45 |
Correct |
1 ms |
324 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 |
324 KB |
Output is correct |
49 |
Correct |
1 ms |
212 KB |
Output is correct |
50 |
Correct |
1 ms |
212 KB |
Output is correct |
51 |
Correct |
101 ms |
5420 KB |
Output is correct |
52 |
Correct |
37 ms |
3168 KB |
Output is correct |
53 |
Correct |
62 ms |
3032 KB |
Output is correct |
54 |
Correct |
34 ms |
960 KB |
Output is correct |
55 |
Correct |
77 ms |
2364 KB |
Output is correct |
56 |
Correct |
14 ms |
724 KB |
Output is correct |
57 |
Correct |
107 ms |
5100 KB |
Output is correct |
58 |
Correct |
109 ms |
5004 KB |
Output is correct |
59 |
Correct |
111 ms |
4944 KB |
Output is correct |
60 |
Correct |
143 ms |
4948 KB |
Output is correct |
61 |
Correct |
211 ms |
5000 KB |
Output is correct |
62 |
Correct |
130 ms |
4948 KB |
Output is correct |
63 |
Correct |
257 ms |
5000 KB |
Output is correct |
64 |
Correct |
126 ms |
4940 KB |
Output is correct |
65 |
Correct |
1 ms |
212 KB |
Output is correct |
66 |
Correct |
43 ms |
5016 KB |
Output is correct |
67 |
Correct |
112 ms |
4928 KB |
Output is correct |
68 |
Correct |
109 ms |
4984 KB |
Output is correct |
69 |
Correct |
31 ms |
1452 KB |
Output is correct |
70 |
Correct |
7 ms |
540 KB |
Output is correct |
71 |
Correct |
1 ms |
340 KB |
Output is correct |
72 |
Correct |
38 ms |
1748 KB |
Output is correct |
73 |
Correct |
8 ms |
596 KB |
Output is correct |
74 |
Correct |
1 ms |
340 KB |
Output is correct |
75 |
Correct |
205 ms |
10796 KB |
Output is correct |
76 |
Correct |
218 ms |
10788 KB |
Output is correct |
77 |
Correct |
213 ms |
10912 KB |
Output is correct |
78 |
Correct |
241 ms |
10776 KB |
Output is correct |
79 |
Correct |
251 ms |
10792 KB |
Output is correct |
80 |
Correct |
267 ms |
10796 KB |
Output is correct |
81 |
Correct |
241 ms |
8712 KB |
Output is correct |
82 |
Correct |
249 ms |
8728 KB |
Output is correct |