//#pragma GCC optimize("Ofast,unroll-loops,O3")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,fma,tune=native")
#include<bits/stdc++.h>
//#include<bits/extc++.h>
//#pragma pack(1)
#define fast ios::sync_with_stdio(0); cin.tie(0);
#define int long long
#define pii pair<int,int>
#define x first
#define y second
#define N 300015
using namespace std;
//using namespace __gnu_pbds;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//typedef tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> order_multiset;
//typedef tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> order_set;
int a[N],b[N],n,m;
bool check(unsigned long long val){
int cnt=0;
for (int i=1;i<=n;i++){
if (a[i]>b[i]){
if (a[i]*m<val){
cnt+=m;
unsigned long long newval=val-a[i]*m;
cnt+=(newval/b[i]+(newval%b[i]>0));
}
else cnt+=(val/a[i]+(val%a[i]>0));
}
else {
cnt+=(val/b[i]+(val%b[i]>0));
}
if (cnt>m*n) return 0;
}
return cnt<=m*n;
}
signed main(){
fast
cin>>n>>m;
for (int i=1;i<=n;i++) cin>>a[i];
for (int i=1;i<=n;i++) cin>>b[i];
unsigned long long l=0,r=5e18;
while (l<r){
int mid=(l+r)>>1;
if (check(mid)) l=mid+1;
else r=mid;
}
cout<<l-1<<'\n';
}
Compilation message
Main.cpp: In function 'bool check(long long unsigned int)':
Main.cpp:22:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
22 | if (a[i]*m<val){
| ~~~~~~^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
324 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
2 ms |
464 KB |
Output is correct |
11 |
Correct |
129 ms |
5700 KB |
Output is correct |
12 |
Correct |
150 ms |
5768 KB |
Output is correct |
13 |
Correct |
100 ms |
5760 KB |
Output is correct |
14 |
Correct |
88 ms |
5764 KB |
Output is correct |
15 |
Correct |
1 ms |
324 KB |
Output is correct |
16 |
Correct |
34 ms |
5628 KB |
Output is correct |
17 |
Correct |
141 ms |
5704 KB |
Output is correct |
18 |
Correct |
100 ms |
5636 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
34 ms |
5628 KB |
Output is correct |
3 |
Correct |
141 ms |
5704 KB |
Output is correct |
4 |
Correct |
100 ms |
5636 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
324 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
59 ms |
3412 KB |
Output is correct |
14 |
Correct |
38 ms |
2604 KB |
Output is correct |
15 |
Correct |
27 ms |
2388 KB |
Output is correct |
16 |
Correct |
24 ms |
2116 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
324 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
3 ms |
464 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
324 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
2 ms |
464 KB |
Output is correct |
11 |
Correct |
129 ms |
5700 KB |
Output is correct |
12 |
Correct |
150 ms |
5768 KB |
Output is correct |
13 |
Correct |
100 ms |
5760 KB |
Output is correct |
14 |
Correct |
88 ms |
5764 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
1 ms |
324 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
59 ms |
3412 KB |
Output is correct |
24 |
Correct |
38 ms |
2604 KB |
Output is correct |
25 |
Correct |
27 ms |
2388 KB |
Output is correct |
26 |
Correct |
24 ms |
2116 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
320 KB |
Output is correct |
29 |
Correct |
1 ms |
324 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
3 ms |
464 KB |
Output is correct |
34 |
Correct |
1 ms |
324 KB |
Output is correct |
35 |
Correct |
34 ms |
5628 KB |
Output is correct |
36 |
Correct |
141 ms |
5704 KB |
Output is correct |
37 |
Correct |
100 ms |
5636 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
1 ms |
332 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 |
332 KB |
Output is correct |
44 |
Correct |
1 ms |
332 KB |
Output is correct |
45 |
Correct |
4 ms |
432 KB |
Output is correct |
46 |
Correct |
4 ms |
588 KB |
Output is correct |
47 |
Correct |
1 ms |
328 KB |
Output is correct |
48 |
Correct |
22 ms |
1724 KB |
Output is correct |
49 |
Correct |
1 ms |
332 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
4 ms |
460 KB |
Output is correct |
52 |
Correct |
1 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
204 KB |
Output is correct |
54 |
Correct |
1 ms |
332 KB |
Output is correct |
55 |
Correct |
62 ms |
3164 KB |
Output is correct |
56 |
Correct |
36 ms |
2400 KB |
Output is correct |
57 |
Correct |
29 ms |
2412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
328 KB |
Output is correct |
2 |
Correct |
1 ms |
324 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
59 ms |
3412 KB |
Output is correct |
10 |
Correct |
38 ms |
2604 KB |
Output is correct |
11 |
Correct |
27 ms |
2388 KB |
Output is correct |
12 |
Correct |
24 ms |
2116 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
320 KB |
Output is correct |
15 |
Correct |
1 ms |
324 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
3 ms |
464 KB |
Output is correct |
20 |
Correct |
1 ms |
324 KB |
Output is correct |
21 |
Correct |
34 ms |
5628 KB |
Output is correct |
22 |
Correct |
141 ms |
5704 KB |
Output is correct |
23 |
Correct |
100 ms |
5636 KB |
Output is correct |
24 |
Correct |
33 ms |
1840 KB |
Output is correct |
25 |
Correct |
90 ms |
3052 KB |
Output is correct |
26 |
Correct |
16 ms |
1348 KB |
Output is correct |
27 |
Correct |
131 ms |
5620 KB |
Output is correct |
28 |
Correct |
135 ms |
5640 KB |
Output is correct |
29 |
Correct |
121 ms |
5528 KB |
Output is correct |
30 |
Correct |
139 ms |
5576 KB |
Output is correct |
31 |
Correct |
230 ms |
5828 KB |
Output is correct |
32 |
Correct |
145 ms |
5536 KB |
Output is correct |
33 |
Correct |
283 ms |
5640 KB |
Output is correct |
34 |
Correct |
133 ms |
6152 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
324 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
2 ms |
464 KB |
Output is correct |
11 |
Correct |
129 ms |
5700 KB |
Output is correct |
12 |
Correct |
150 ms |
5768 KB |
Output is correct |
13 |
Correct |
100 ms |
5760 KB |
Output is correct |
14 |
Correct |
88 ms |
5764 KB |
Output is correct |
15 |
Correct |
1 ms |
328 KB |
Output is correct |
16 |
Correct |
1 ms |
324 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
59 ms |
3412 KB |
Output is correct |
24 |
Correct |
38 ms |
2604 KB |
Output is correct |
25 |
Correct |
27 ms |
2388 KB |
Output is correct |
26 |
Correct |
24 ms |
2116 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
320 KB |
Output is correct |
29 |
Correct |
1 ms |
324 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
3 ms |
464 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 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 |
332 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
41 |
Correct |
4 ms |
432 KB |
Output is correct |
42 |
Correct |
4 ms |
588 KB |
Output is correct |
43 |
Correct |
1 ms |
328 KB |
Output is correct |
44 |
Correct |
22 ms |
1724 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
4 ms |
460 KB |
Output is correct |
48 |
Correct |
1 ms |
332 KB |
Output is correct |
49 |
Correct |
1 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
332 KB |
Output is correct |
51 |
Correct |
62 ms |
3164 KB |
Output is correct |
52 |
Correct |
36 ms |
2400 KB |
Output is correct |
53 |
Correct |
29 ms |
2412 KB |
Output is correct |
54 |
Correct |
33 ms |
1840 KB |
Output is correct |
55 |
Correct |
90 ms |
3052 KB |
Output is correct |
56 |
Correct |
16 ms |
1348 KB |
Output is correct |
57 |
Correct |
131 ms |
5620 KB |
Output is correct |
58 |
Correct |
135 ms |
5640 KB |
Output is correct |
59 |
Correct |
121 ms |
5528 KB |
Output is correct |
60 |
Correct |
139 ms |
5576 KB |
Output is correct |
61 |
Correct |
230 ms |
5828 KB |
Output is correct |
62 |
Correct |
145 ms |
5536 KB |
Output is correct |
63 |
Correct |
283 ms |
5640 KB |
Output is correct |
64 |
Correct |
133 ms |
6152 KB |
Output is correct |
65 |
Correct |
1 ms |
324 KB |
Output is correct |
66 |
Correct |
34 ms |
5628 KB |
Output is correct |
67 |
Correct |
141 ms |
5704 KB |
Output is correct |
68 |
Correct |
100 ms |
5636 KB |
Output is correct |
69 |
Correct |
25 ms |
1336 KB |
Output is correct |
70 |
Correct |
7 ms |
584 KB |
Output is correct |
71 |
Correct |
1 ms |
320 KB |
Output is correct |
72 |
Correct |
37 ms |
1820 KB |
Output is correct |
73 |
Correct |
9 ms |
588 KB |
Output is correct |
74 |
Correct |
1 ms |
336 KB |
Output is correct |
75 |
Correct |
125 ms |
10700 KB |
Output is correct |
76 |
Correct |
144 ms |
10796 KB |
Output is correct |
77 |
Correct |
143 ms |
10792 KB |
Output is correct |
78 |
Correct |
187 ms |
10796 KB |
Output is correct |
79 |
Correct |
269 ms |
10704 KB |
Output is correct |
80 |
Correct |
277 ms |
10792 KB |
Output is correct |
81 |
Correct |
272 ms |
8792 KB |
Output is correct |
82 |
Correct |
195 ms |
8908 KB |
Output is correct |