Submission #914973

#	Time	Username	Problem	Language	Result	Execution time	Memory
914973		ReLice	Self Study (JOI22_ho_t2)	C++17	Compilation error	0 ms	0 KiB

Main

#include <bits/stdc++.h>
#define ll long long
#define str string
#define ins insert
#define ld long double
#define pb push_back
#define pf push_front
#define pof pop_front()
#define pob pop_back()
#define lb lower_bound
#define ub upper_bound
#define endl "\n"
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define sz size()
#define vll vector<ll>
#define bc back()
#define arr array
#define pll vector<pair<ll,ll>>
using namespace std;
template <class _T>
bool chmin(_T &x, const _T &y){
    bool f=0;
    if (x>y){x=y;f=1;}
    return f;
}
template <class _T>
bool chmax(_T &x, const _T &y){
    bool f=0;
    if (x<y){x=y;f=1;}
    return f;
}
//void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
void start(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
const ll inf=2e18+7;
const ll mod=1e9+7;
const ll N=1e5+7;
const ld eps=1e-9;
istream& operator>>( istream& src, __int128_t& value) {
	long long v;src>>v;
	value = (ll)v;
	return src;
}
void solve(){
    ll i,j;
    ll n,m;cin>>n>>m;
	vi a(n);rep(i,0,n)cin>>a[i];
	vi b(n);rep(i,0,n)cin>>b[i];
	rep(i,0,n)a[i]=max(a[i],b[i]);
    if(m==1){
        ll ans=inf;
        for(i=0;i<n;i++) ans=min(ans,a[i]);
        cout<<ans<<endl;
        return;
    }
    ll lo = 0;
    ll hi = 2e18;
    while(lo+1<hi){
        ll mid = lo+(hi-lo)/2;
        ll cost = 0;
        for(i=0;i<n;i++) {
            ll inclass = (mid+a[i]-1)/a[i];
            if(inclass>m){
                inclass=m;
                ll outclass = (mid-inclass*a[i]+b[i]-1)/b[i];
                cost+=outclass;
            }
            cost+=inclass;
        }
        if(cost<=n*m) lo=mid;
        else hi=mid;
    }
    cout<<lo<<endl;
}

signed main(){
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(cin.failbit);
    ll t=1;
    //cin>>t;
    while(t--) solve();
    return 0;
}
/*



*/

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:53:2: error: 'vi' was not declared in this scope; did you mean 'i'?
   53 |  vi a(n);rep(i,0,n)cin>>a[i];
      |  ^~
      |  i
Main.cpp:53:10: error: 'rep' was not declared in this scope
   53 |  vi a(n);rep(i,0,n)cin>>a[i];
      |          ^~~
Main.cpp:54:4: error: expected ';' before 'b'
   54 |  vi b(n);rep(i,0,n)cin>>b[i];
      |    ^~
      |    ;
Main.cpp:58:38: error: 'a' was not declared in this scope
   58 |         for(i=0;i<n;i++) ans=min(ans,a[i]);
      |                                      ^
Main.cpp:68:31: error: 'a' was not declared in this scope
   68 |             ll inclass = (mid+a[i]-1)/a[i];
      |                               ^
Main.cpp:71:49: error: 'b' was not declared in this scope
   71 |                 ll outclass = (mid-inclass*a[i]+b[i]-1)/b[i];
      |                                                 ^
Main.cpp:51:10: warning: unused variable 'j' [-Wunused-variable]
   51 |     ll i,j;
      |          ^