#include<iostream>
#include<vector>
#include<algorithm>
#include<math.h>
using namespace std;
#define ll long long
#define pii pair<ll,ll>
#define mp make_pair
#define endl "\n"
#define out(x) cout << #x << " = " << x << endl
#define outp(x) cout << #x << ".first = " << x.first << " " << #x << ".second = " << x.second << endl
#pragma GCC optimize("Ofast")
#define lll __int128
ll n,m;
ll a[300005],b[300005];
signed main(){
ios::sync_with_stdio(false); cin.tie(0);
cin>>n>>m;
for (int i=1;i<=n;i++) { ll x; cin>>x; a[i] = x;}
for (int i=1;i<=n;i++) { ll x; cin>>x; b[i] = x; a[i] = max(a[i], b[i]);}
if (m==1){
ll ans = 1e18;
for (int i=1;i<=n;i++) ans = min(ans, max(a[i],b[i]));
cout<<(ll)ans<<endl;
return 0;
}
ll arr[n+2], remain[n+2]; // 目前學分,這個位置剩下幾堂課
ll left = 0, right = 2e18, mid = (left+right)/2;
while(left<right){
mid = (left+right)/2;
ll rem=0;
int flag=true;
for (int i=1;i<=n;i++) {
if (a[i] * m < mid) {
arr[i] = a[i] * m;
}else{
ll use = (mid-1)/a[i] + 1;
rem += m - use;
arr[i] = use * a[i];
}
}
//cout<<mid<<" "<<rem<<endl;
for (int i=1;i<=n;i++) if (arr[i]<mid){
ll need = (mid-arr[i]-1) / b[i] + 1;
rem -= need;
if (rem<0) {flag=false; break;}
}
if (flag) left=mid+1;
else right=mid;
}
cout<<(ll)left-1<<endl;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:29:18: warning: unused variable 'remain' [-Wunused-variable]
29 | ll arr[n+2], remain[n+2]; // 目前學分,這個位置剩下幾堂課
| ^~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
55 ms |
4988 KB |
Output is correct |
12 |
Correct |
54 ms |
4868 KB |
Output is correct |
13 |
Correct |
51 ms |
4968 KB |
Output is correct |
14 |
Correct |
54 ms |
4916 KB |
Output is correct |
15 |
Correct |
1 ms |
316 KB |
Output is correct |
16 |
Correct |
29 ms |
5796 KB |
Output is correct |
17 |
Correct |
73 ms |
6540 KB |
Output is correct |
18 |
Correct |
59 ms |
6492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
29 ms |
5796 KB |
Output is correct |
3 |
Correct |
73 ms |
6540 KB |
Output is correct |
4 |
Correct |
59 ms |
6492 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 |
324 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
64 ms |
4880 KB |
Output is correct |
14 |
Correct |
48 ms |
3524 KB |
Output is correct |
15 |
Correct |
32 ms |
2808 KB |
Output is correct |
16 |
Correct |
26 ms |
2440 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
0 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
320 KB |
Output is correct |
22 |
Correct |
1 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
55 ms |
4988 KB |
Output is correct |
12 |
Correct |
54 ms |
4868 KB |
Output is correct |
13 |
Correct |
51 ms |
4968 KB |
Output is correct |
14 |
Correct |
54 ms |
4916 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
324 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
316 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
64 ms |
4880 KB |
Output is correct |
24 |
Correct |
48 ms |
3524 KB |
Output is correct |
25 |
Correct |
32 ms |
2808 KB |
Output is correct |
26 |
Correct |
26 ms |
2440 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
0 ms |
332 KB |
Output is correct |
31 |
Correct |
0 ms |
320 KB |
Output is correct |
32 |
Correct |
1 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
460 KB |
Output is correct |
34 |
Correct |
1 ms |
316 KB |
Output is correct |
35 |
Correct |
29 ms |
5796 KB |
Output is correct |
36 |
Correct |
73 ms |
6540 KB |
Output is correct |
37 |
Correct |
59 ms |
6492 KB |
Output is correct |
38 |
Correct |
1 ms |
320 KB |
Output is correct |
39 |
Correct |
1 ms |
204 KB |
Output is correct |
40 |
Correct |
0 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 |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
3 ms |
460 KB |
Output is correct |
46 |
Correct |
4 ms |
588 KB |
Output is correct |
47 |
Correct |
1 ms |
332 KB |
Output is correct |
48 |
Correct |
22 ms |
2252 KB |
Output is correct |
49 |
Correct |
1 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
4 ms |
428 KB |
Output is correct |
52 |
Correct |
1 ms |
204 KB |
Output is correct |
53 |
Correct |
1 ms |
332 KB |
Output is correct |
54 |
Correct |
1 ms |
204 KB |
Output is correct |
55 |
Correct |
61 ms |
6332 KB |
Output is correct |
56 |
Correct |
36 ms |
3688 KB |
Output is correct |
57 |
Correct |
37 ms |
3768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
64 ms |
4880 KB |
Output is correct |
10 |
Correct |
48 ms |
3524 KB |
Output is correct |
11 |
Correct |
32 ms |
2808 KB |
Output is correct |
12 |
Correct |
26 ms |
2440 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
320 KB |
Output is correct |
18 |
Correct |
1 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
460 KB |
Output is correct |
20 |
Correct |
1 ms |
316 KB |
Output is correct |
21 |
Correct |
29 ms |
5796 KB |
Output is correct |
22 |
Correct |
73 ms |
6540 KB |
Output is correct |
23 |
Correct |
59 ms |
6492 KB |
Output is correct |
24 |
Correct |
36 ms |
2128 KB |
Output is correct |
25 |
Correct |
83 ms |
5280 KB |
Output is correct |
26 |
Correct |
16 ms |
1604 KB |
Output is correct |
27 |
Correct |
125 ms |
8896 KB |
Output is correct |
28 |
Correct |
131 ms |
8900 KB |
Output is correct |
29 |
Correct |
131 ms |
8984 KB |
Output is correct |
30 |
Correct |
151 ms |
8768 KB |
Output is correct |
31 |
Correct |
235 ms |
8388 KB |
Output is correct |
32 |
Correct |
95 ms |
8264 KB |
Output is correct |
33 |
Correct |
99 ms |
8980 KB |
Output is correct |
34 |
Correct |
95 ms |
8504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 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 |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
55 ms |
4988 KB |
Output is correct |
12 |
Correct |
54 ms |
4868 KB |
Output is correct |
13 |
Correct |
51 ms |
4968 KB |
Output is correct |
14 |
Correct |
54 ms |
4916 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
324 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
316 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
64 ms |
4880 KB |
Output is correct |
24 |
Correct |
48 ms |
3524 KB |
Output is correct |
25 |
Correct |
32 ms |
2808 KB |
Output is correct |
26 |
Correct |
26 ms |
2440 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
0 ms |
332 KB |
Output is correct |
31 |
Correct |
0 ms |
320 KB |
Output is correct |
32 |
Correct |
1 ms |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
460 KB |
Output is correct |
34 |
Correct |
1 ms |
320 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
0 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 |
204 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
3 ms |
460 KB |
Output is correct |
42 |
Correct |
4 ms |
588 KB |
Output is correct |
43 |
Correct |
1 ms |
332 KB |
Output is correct |
44 |
Correct |
22 ms |
2252 KB |
Output is correct |
45 |
Correct |
1 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
4 ms |
428 KB |
Output is correct |
48 |
Correct |
1 ms |
204 KB |
Output is correct |
49 |
Correct |
1 ms |
332 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
61 ms |
6332 KB |
Output is correct |
52 |
Correct |
36 ms |
3688 KB |
Output is correct |
53 |
Correct |
37 ms |
3768 KB |
Output is correct |
54 |
Correct |
36 ms |
2128 KB |
Output is correct |
55 |
Correct |
83 ms |
5280 KB |
Output is correct |
56 |
Correct |
16 ms |
1604 KB |
Output is correct |
57 |
Correct |
125 ms |
8896 KB |
Output is correct |
58 |
Correct |
131 ms |
8900 KB |
Output is correct |
59 |
Correct |
131 ms |
8984 KB |
Output is correct |
60 |
Correct |
151 ms |
8768 KB |
Output is correct |
61 |
Correct |
235 ms |
8388 KB |
Output is correct |
62 |
Correct |
95 ms |
8264 KB |
Output is correct |
63 |
Correct |
99 ms |
8980 KB |
Output is correct |
64 |
Correct |
95 ms |
8504 KB |
Output is correct |
65 |
Correct |
1 ms |
316 KB |
Output is correct |
66 |
Correct |
29 ms |
5796 KB |
Output is correct |
67 |
Correct |
73 ms |
6540 KB |
Output is correct |
68 |
Correct |
59 ms |
6492 KB |
Output is correct |
69 |
Correct |
24 ms |
1608 KB |
Output is correct |
70 |
Correct |
7 ms |
560 KB |
Output is correct |
71 |
Correct |
1 ms |
204 KB |
Output is correct |
72 |
Correct |
35 ms |
2116 KB |
Output is correct |
73 |
Correct |
8 ms |
716 KB |
Output is correct |
74 |
Correct |
1 ms |
324 KB |
Output is correct |
75 |
Correct |
126 ms |
10556 KB |
Output is correct |
76 |
Correct |
140 ms |
10436 KB |
Output is correct |
77 |
Correct |
160 ms |
10632 KB |
Output is correct |
78 |
Correct |
178 ms |
10436 KB |
Output is correct |
79 |
Correct |
244 ms |
10512 KB |
Output is correct |
80 |
Correct |
261 ms |
10556 KB |
Output is correct |
81 |
Correct |
77 ms |
10436 KB |
Output is correct |
82 |
Correct |
76 ms |
10508 KB |
Output is correct |