Submission #1128432

#	Time	Username	Problem	Language	Result	Execution time	Memory
1128432		ByeWorld	Self Study (JOI22_ho_t2)	C++20	25 / 100	229 ms	5112 KiB

Main

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#define int long long
#define ll long long
#define pb push_back
#define fi first
#define se second
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
#define ld long double
using namespace std;
typedef pair<int,int> pii;
typedef pair<char,char> pcc;
typedef pair<int,pii> ipii;
typedef pair<pii,pii> ipiii;
const int MAXN = 3e5+10;
const int MAXA = 1e6;
const int INF = 3e14+10;
const int MOD = 1e9+7;
const int LOG = 33;
const ld EPS = 1e-12;
void chmn(int &a, int b){ a = min(a, b); }
int sum(int a, int b){ return (a+b)%MOD; }
int mul(int a, int b){ return (1ll*a*b)%MOD; }
void chmul(int &a, int b){ a = (1ll*a*b)%MOD; }
void chsum(int &a, int b){ a = (a+b)%MOD; }
int expo(int a, int b){
    a %= MOD;
    if(b==0) return 1;
    int te = expo(a,b/2); te=mul(te,te);
    return (b%2 ? mul(te, a) : te);
}

int n, m, a[MAXN], b[MAXN];

bool cek(int x){
    int te = 0;
    for(int i=1; i<=n; i++){
        te += (x+a[i]-1)/a[i];
        if(te > n*m) return 0;
    }
    return te <= n*m;
}

signed main(){
    // ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n >> m;
    int mn = INF;
    for(int i=1; i<=n; i++) cin >> a[i];
    for(int i=1; i<=n; i++) cin >> b[i];
    // for(int i=1; i<=n; i++) mn = min(mn, max(a[i],b[i]));
    // cout << mn << '\n';

    int l=0, r=INF, mid=0, cnt=0;
    while(l<=r){
        mid = md;
        if(cek(mid)) cnt = mid, l = mid+1;
        else r = mid-1;
    }
    cout << cnt << '\n';
}

• Subtask 1: 0 / 10
• Subtask 2: 25 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 9