Submission #803554

#	Time	Username	Problem	Language	Result	Execution time	Memory
803554		vjudge1	Self Study (JOI22_ho_t2)	C++17	100 / 100	325 ms	13784 KiB

Main

#include <bits/stdc++.h>



using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define fi first
#define se second
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 5e5 + 9 , mod = 1e9 + 7;
ll  d[N] = {} , a[N] = {}, dp[N] = {}, b[N] , c[N];

void solve(){
    ll q , i , j , m ,n, z , l , r , k , x , y , mn  = 1e18 , mx = -1;
    cin>>n>>k;
    ld s , f;
    for(i = 1; i <= n; i++)
        cin>>a[i];
    for(i = 1; i <= n; i++)
        cin>>b[i];
    l = 1;
    r = 1e18;
    while(l != r){
        m = (l + r + 1) / 2;
        s = f = 0;
        for(i = 1; i <= n; i++){
            c[i] = max(a[i] , b[i]) * k;
            if(c[i] > m)
                x = (c[i] - m) / max(a[i] , b[i]) , f += x;
            if(c[i] < m)
                x = (((m - c[i]) / b[i]) + ((m - c[i]) % b[i] != 0)) , s += x;
        }
        if(s <= f)
            l = m;
        else
            r = m - 1;
    }
    cout<<l<<"\n";
}

int main(){
    /*
     TL;
     #ifndef ONLINE_JUDGE
     freopen("input.txt", "r", stdin);
     freopen("output.txt", "w", stdout);
     #endif*/

int t = 1;
//cin>>t;

while(t--)
     {
     solve();
     }

}
// Author : حسن

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:29:8: warning: unused variable 'q' [-Wunused-variable]
   29 |     ll q , i , j , m ,n, z , l , r , k , x , y , mn  = 1e18 , mx = -1;
      |        ^
Main.cpp:29:16: warning: unused variable 'j' [-Wunused-variable]
   29 |     ll q , i , j , m ,n, z , l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                ^
Main.cpp:29:26: warning: unused variable 'z' [-Wunused-variable]
   29 |     ll q , i , j , m ,n, z , l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                          ^
Main.cpp:29:46: warning: unused variable 'y' [-Wunused-variable]
   29 |     ll q , i , j , m ,n, z , l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                              ^
Main.cpp:29:50: warning: unused variable 'mn' [-Wunused-variable]
   29 |     ll q , i , j , m ,n, z , l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                                  ^~
Main.cpp:29:63: warning: unused variable 'mx' [-Wunused-variable]
   29 |     ll q , i , j , m ,n, z , l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                                               ^~

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