#include <bits/stdc++.h>
using namespace std;
#define ull unsigned long long
#define ll long long
const ull inf=1e18;
int main()
{
ll n,m;cin>>n>>m;
ll a[n+1],b[n+1],M=0;
for(int i=1;i<=n;i++){cin>>a[i];}
for(int i=1;i<=n;i++){cin>>b[i];}
ll l=1,r=inf,mid=l+(r-l)/2,res=0;
while(l<=r)
{
//printf("%lld %lld %lld: ",l,mid,r);
ull sum=0;
for(ll i=1;i<=n;i++)
{
ll x,z,k=inf;
if(a[i]<=b[i])
{
x=0;
z=(mid+b[i]-1)/b[i];
k=max(x,z);
}
else
{
x=mid/a[i];
if(x>m) x=m;
z=(mid-x*(a[i]-b[i])+b[i]-1)/b[i];
k=min(k,max(x,z));
x++;
if(x>m) x=m;
z=(mid-x*(a[i]-b[i])+b[i]-1)/b[i];
k=min(k,max(x,z));
//cout<<" {"<<x<<","<<z<<"} ";
}
sum+=k;
ll k1=inf;
for(ll j=0;j<=m;j++)
{
ll z=ceil((double)(mid-j*(a[i]-b[i]))/b[i]);
k1=min(k1,max(j,z));
}
/*int x=0;
if(a[i]>b[i])x=min(mid/(a[i]-b[i]),m);
sum+=ceil((mid-x*(a[i]-b[i]))/b[i]);*/
//cout<<"|"<<k<<" "<<k1<<"| ";
}
//cout<<endl;
if(sum<=n*m)
{
res=mid;
l=mid+1;
}
else r=mid-1;
mid=l+(r-l)/2;
}
cout<<res<<endl;
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:51:9: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'long long int' [-Wsign-compare]
51 | if(sum<=n*m)
| ~~~^~~~~
Main.cpp:9:22: warning: unused variable 'M' [-Wunused-variable]
9 | ll a[n+1],b[n+1],M=0;
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
500 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
500 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
6 ms |
596 KB |
Output is correct |
11 |
Correct |
356 ms |
5096 KB |
Output is correct |
12 |
Correct |
359 ms |
4956 KB |
Output is correct |
13 |
Correct |
214 ms |
4956 KB |
Output is correct |
14 |
Correct |
538 ms |
5100 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
217 ms |
4956 KB |
Output is correct |
17 |
Correct |
272 ms |
4952 KB |
Output is correct |
18 |
Correct |
261 ms |
5200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
217 ms |
4956 KB |
Output is correct |
3 |
Correct |
272 ms |
4952 KB |
Output is correct |
4 |
Correct |
261 ms |
5200 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
129 ms |
2756 KB |
Output is correct |
14 |
Correct |
86 ms |
1968 KB |
Output is correct |
15 |
Correct |
66 ms |
1372 KB |
Output is correct |
16 |
Correct |
52 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
4 ms |
504 KB |
Output is correct |
23 |
Correct |
5 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
500 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
500 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
6 ms |
596 KB |
Output is correct |
11 |
Correct |
356 ms |
5096 KB |
Output is correct |
12 |
Correct |
359 ms |
4956 KB |
Output is correct |
13 |
Correct |
214 ms |
4956 KB |
Output is correct |
14 |
Correct |
538 ms |
5100 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
129 ms |
2756 KB |
Output is correct |
24 |
Correct |
86 ms |
1968 KB |
Output is correct |
25 |
Correct |
66 ms |
1372 KB |
Output is correct |
26 |
Correct |
52 ms |
1116 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
4 ms |
504 KB |
Output is correct |
33 |
Correct |
5 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
217 ms |
4956 KB |
Output is correct |
36 |
Correct |
272 ms |
4952 KB |
Output is correct |
37 |
Correct |
261 ms |
5200 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
0 ms |
348 KB |
Output is correct |
40 |
Correct |
0 ms |
348 KB |
Output is correct |
41 |
Correct |
0 ms |
348 KB |
Output is correct |
42 |
Correct |
0 ms |
348 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
0 ms |
348 KB |
Output is correct |
45 |
Correct |
7 ms |
348 KB |
Output is correct |
46 |
Correct |
11 ms |
348 KB |
Output is correct |
47 |
Correct |
2 ms |
348 KB |
Output is correct |
48 |
Correct |
62 ms |
1204 KB |
Output is correct |
49 |
Correct |
0 ms |
348 KB |
Output is correct |
50 |
Correct |
0 ms |
348 KB |
Output is correct |
51 |
Correct |
6 ms |
348 KB |
Output is correct |
52 |
Correct |
0 ms |
348 KB |
Output is correct |
53 |
Correct |
0 ms |
344 KB |
Output is correct |
54 |
Correct |
1 ms |
348 KB |
Output is correct |
55 |
Correct |
182 ms |
2652 KB |
Output is correct |
56 |
Correct |
72 ms |
1880 KB |
Output is correct |
57 |
Correct |
179 ms |
1880 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
129 ms |
2756 KB |
Output is correct |
10 |
Correct |
86 ms |
1968 KB |
Output is correct |
11 |
Correct |
66 ms |
1372 KB |
Output is correct |
12 |
Correct |
52 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
4 ms |
504 KB |
Output is correct |
19 |
Correct |
5 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
217 ms |
4956 KB |
Output is correct |
22 |
Correct |
272 ms |
4952 KB |
Output is correct |
23 |
Correct |
261 ms |
5200 KB |
Output is correct |
24 |
Correct |
47 ms |
1132 KB |
Output is correct |
25 |
Correct |
127 ms |
2504 KB |
Output is correct |
26 |
Correct |
28 ms |
860 KB |
Output is correct |
27 |
Correct |
258 ms |
4952 KB |
Output is correct |
28 |
Correct |
262 ms |
5200 KB |
Output is correct |
29 |
Correct |
260 ms |
5100 KB |
Output is correct |
30 |
Correct |
269 ms |
5200 KB |
Output is correct |
31 |
Correct |
311 ms |
4956 KB |
Output is correct |
32 |
Correct |
235 ms |
4956 KB |
Output is correct |
33 |
Correct |
341 ms |
4956 KB |
Output is correct |
34 |
Correct |
235 ms |
4956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
500 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
500 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
6 ms |
596 KB |
Output is correct |
11 |
Correct |
356 ms |
5096 KB |
Output is correct |
12 |
Correct |
359 ms |
4956 KB |
Output is correct |
13 |
Correct |
214 ms |
4956 KB |
Output is correct |
14 |
Correct |
538 ms |
5100 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
129 ms |
2756 KB |
Output is correct |
24 |
Correct |
86 ms |
1968 KB |
Output is correct |
25 |
Correct |
66 ms |
1372 KB |
Output is correct |
26 |
Correct |
52 ms |
1116 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
4 ms |
504 KB |
Output is correct |
33 |
Correct |
5 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
0 ms |
348 KB |
Output is correct |
40 |
Correct |
0 ms |
348 KB |
Output is correct |
41 |
Correct |
7 ms |
348 KB |
Output is correct |
42 |
Correct |
11 ms |
348 KB |
Output is correct |
43 |
Correct |
2 ms |
348 KB |
Output is correct |
44 |
Correct |
62 ms |
1204 KB |
Output is correct |
45 |
Correct |
0 ms |
348 KB |
Output is correct |
46 |
Correct |
0 ms |
348 KB |
Output is correct |
47 |
Correct |
6 ms |
348 KB |
Output is correct |
48 |
Correct |
0 ms |
348 KB |
Output is correct |
49 |
Correct |
0 ms |
344 KB |
Output is correct |
50 |
Correct |
1 ms |
348 KB |
Output is correct |
51 |
Correct |
182 ms |
2652 KB |
Output is correct |
52 |
Correct |
72 ms |
1880 KB |
Output is correct |
53 |
Correct |
179 ms |
1880 KB |
Output is correct |
54 |
Correct |
47 ms |
1132 KB |
Output is correct |
55 |
Correct |
127 ms |
2504 KB |
Output is correct |
56 |
Correct |
28 ms |
860 KB |
Output is correct |
57 |
Correct |
258 ms |
4952 KB |
Output is correct |
58 |
Correct |
262 ms |
5200 KB |
Output is correct |
59 |
Correct |
260 ms |
5100 KB |
Output is correct |
60 |
Correct |
269 ms |
5200 KB |
Output is correct |
61 |
Correct |
311 ms |
4956 KB |
Output is correct |
62 |
Correct |
235 ms |
4956 KB |
Output is correct |
63 |
Correct |
341 ms |
4956 KB |
Output is correct |
64 |
Correct |
235 ms |
4956 KB |
Output is correct |
65 |
Correct |
0 ms |
348 KB |
Output is correct |
66 |
Correct |
217 ms |
4956 KB |
Output is correct |
67 |
Correct |
272 ms |
4952 KB |
Output is correct |
68 |
Correct |
261 ms |
5200 KB |
Output is correct |
69 |
Correct |
48 ms |
1372 KB |
Output is correct |
70 |
Correct |
12 ms |
600 KB |
Output is correct |
71 |
Correct |
0 ms |
348 KB |
Output is correct |
72 |
Correct |
67 ms |
1884 KB |
Output is correct |
73 |
Correct |
15 ms |
604 KB |
Output is correct |
74 |
Correct |
2 ms |
348 KB |
Output is correct |
75 |
Correct |
364 ms |
10724 KB |
Output is correct |
76 |
Correct |
376 ms |
11112 KB |
Output is correct |
77 |
Correct |
377 ms |
10832 KB |
Output is correct |
78 |
Correct |
412 ms |
10860 KB |
Output is correct |
79 |
Correct |
462 ms |
10836 KB |
Output is correct |
80 |
Correct |
474 ms |
10856 KB |
Output is correct |
81 |
Correct |
279 ms |
8920 KB |
Output is correct |
82 |
Correct |
591 ms |
8920 KB |
Output is correct |