Submission #588063

#	Time	Username	Problem	Language	Result	Execution time	Memory
588063		Mounir	Self Study (JOI22_ho_t2)	C++14	0 / 100	345 ms	10696 KiB

Main

#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define sz(x) (int)x.size()
#define pb push_back
#define pii pair<int, int>
#define chmin(x, v) x = min(x, v)
#define chmax(x, v) x = max(x, v)
#define print(x) cout << #x << " est " << x << endl;
#define x first
#define y second
#define int long long
using namespace std;

const int N = 1e6;
int nCours, nWeeks;
int a[N], b[N];

bool isOk(int bInf){
      int aAllouer = 0;
      for (int iCours = 0; iCours < nCours; ++iCours){
            int besoin = ceil(bInf/double(a[iCours]));
            if (besoin <= nWeeks)
                  aAllouer += nWeeks - besoin;
            else {
                  int reste = bInf - nWeeks * a[iCours];
                  reste = ceil(double(reste)/b[iCours]);
                  aAllouer -= reste;
            }
      }

    //  cout << aAllouer
      return aAllouer >= 0;
}

signed main(){ 
      cin >> nCours >> nWeeks;
      for (int i = 0; i < nCours; ++i)
            cin >> a[i];
      for (int i = 0; i < nCours; ++i){
            cin >> b[i];
            chmax(a[i], b[i]);
      }

      int gauche = 0, droite = 1e18;
      while (droite > gauche){
            int mid = (gauche + droite)/2 + 1;
            if (isOk(mid))
                  gauche = mid;
            else
                  droite = mid - 1;
      }
      cout << gauche << endl;
      return 0;   
}

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