Submission #534146

#	Time	Username	Problem	Language	Result	Execution time	Memory
534146		Paul_Liao_1457	Self Study (JOI22_ho_t2)	C++17	Compilation error	0 ms	0 KiB

Main

// 還要更強
#include<iostream>
#include<queue>
#include<set>
#include<map>
#include<iomanip>
#include<math.h>
#include<cstring>
#include<stack>
#include<string.h>
#include<random>
#include<algorithm>
#include<vector>

#define ll long long
#define FOR(i,a,b) for(ll i=a;i<b;i++)
#define REP(i,a,b) for(int i=a;i>=b;i--)
#define INF (ll)(2e18)
#define pb push_back
#define F first
#define S second

using namespace std;

ll n,m;
ll A[300005],B[300005];

bool check(ll x){
    ll res=0;
    FOR(i,0,n){
        ll tmp=x;
        if(1ll*A[i]<tmp){
            tmp-=A[i];
            if(tmp<0){
                assert(1);
            }
            res-=tmp/B[i]+(tmp%B[i]?1:0);
        }
        else{
            ll used=(tmp-1)/A[i]+1;
            res+=m-used;
        }
    }
    if(res>=0) return 1;
    return 0;
}

signed main(){
    cin>>n>>m;
    FOR(i,0,n){
        cin>>A[i];
    }
    FOR(i,0,n){
        cin>>B[i]; A[i]=max(A[i],B[i]);
    }
    ll l=0,r=(1e18+1),ans=0;
    while(l<r){
        ll mid=(l+r)>>1;
        if(check(mid)){
            ans=max(ans,mid); l=mid+1;
        }
        else{
            r=mid;
        }
    }
    cout<<ans<<endl;
}

Compilation message (stderr)

Main.cpp: In function 'bool check(long long int)':
Main.cpp:35:17: error: 'assert' was not declared in this scope
   35 |                 assert(1);
      |                 ^~~~~~
Main.cpp:13:1: note: 'assert' is defined in header '<cassert>'; did you forget to '#include <cassert>'?
   12 | #include<algorithm>
  +++ |+#include <cassert>
   13 | #include<vector>