Submission #706663

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
706663	2023-03-07 09:50:02	Dan4Life	Self Study (JOI22_ho_t2)	C++17	100 / 100	250 ms	11452 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define fi first
#define se second
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define pb push_back
const int mxN = (int)3e5+10;
int n, m, a[mxN], b[mxN];
 
bool chk(int lim){
    int tot = n*m;
    for(int i = 1; i <= n; i++){
        int num = min((lim+a[i]-1)/a[i], m);
        int x = num*a[i]; tot-=num;
        if(lim>x) tot-=((lim-x)+b[i]-1)/b[i];
        if(tot<0) return 0;
    }
    return 1;
}
 
void solve(){
    cin >> n >> m;
    for(int i = 1; i <= n; i++) cin >> a[i];
    for(int i = 1; i <= n; i++) cin >> b[i], a[i]=max(a[i],b[i]);
    int l = 0, r = (int)1e18;
    while(l<r){
        int mid = (l+r+1)/2;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29
• Subtask 5: 9 / 9