#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define pii pair<int,int>
#define F first
#define S second
#define all(X) X.begin(),X.end()
#define chmax(a,b) a=max(a,b)
#define chmin(a,b) a=min(a,b)
#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
setio();
int n,m;
cin>>n>>m;
vector<pii>v;
for(int i=0;i<n;i++){
int a;
cin>>a;
v.pb({a,0});
}
for(int i=0;i<n;i++){
int a;
cin>>a;
v[i].S=a;
}
int l=0,r=(int)1e18+10;
while(l<r){
int mm=l+r+1>>1;
int left=0;
bool ok=1;
for(int i=0;i<n;i++){
if(v[i].F>=v[i].S){
if(v[i].F*m>mm){
int x=ceil((long double)mm/v[i].F);
left+=m-x;
}
else{
int cur=mm;
cur-=m*v[i].F;
int x=ceil((long double)cur/v[i].S);
left-=x;
}
}
else{
left+=m;
int x=ceil((long double)mm/v[i].S);
left-=x;
}
}
if(left>=0){
l=mm;
}
else{
r=mm-1;
}
}
cout<<l<<'\n';
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:37:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
37 | int mm=l+r+1>>1;
| ~~~^~
Main.cpp:39:14: warning: unused variable 'ok' [-Wunused-variable]
39 | bool ok=1;
| ^~
# |
Verdict |
Execution time |
Memory |
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 |
1 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 |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
7 ms |
656 KB |
Output is correct |
11 |
Correct |
444 ms |
9204 KB |
Output is correct |
12 |
Correct |
449 ms |
10676 KB |
Output is correct |
13 |
Correct |
97 ms |
8656 KB |
Output is correct |
14 |
Incorrect |
97 ms |
10484 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
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 |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
95 ms |
5376 KB |
Output is correct |
10 |
Correct |
57 ms |
2516 KB |
Output is correct |
11 |
Correct |
38 ms |
2520 KB |
Output is correct |
12 |
Correct |
44 ms |
1696 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
452 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Incorrect |
2 ms |
604 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
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 |
1 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 |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
7 ms |
656 KB |
Output is correct |
11 |
Correct |
444 ms |
9204 KB |
Output is correct |
12 |
Correct |
449 ms |
10676 KB |
Output is correct |
13 |
Correct |
97 ms |
8656 KB |
Output is correct |
14 |
Incorrect |
97 ms |
10484 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
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 |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
95 ms |
5376 KB |
Output is correct |
10 |
Correct |
57 ms |
2516 KB |
Output is correct |
11 |
Correct |
38 ms |
2520 KB |
Output is correct |
12 |
Correct |
44 ms |
1696 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
452 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Incorrect |
2 ms |
604 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
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 |
1 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 |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
7 ms |
656 KB |
Output is correct |
11 |
Correct |
444 ms |
9204 KB |
Output is correct |
12 |
Correct |
449 ms |
10676 KB |
Output is correct |
13 |
Correct |
97 ms |
8656 KB |
Output is correct |
14 |
Incorrect |
97 ms |
10484 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |