Submission #492886

#	Time	Username	Problem	Language	Result	Execution time	Memory
492886		Biaz	Exhibition (JOI19_ho_t2)	C++17	0 / 100	1 ms	332 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define int long long
//#define double long double
#define Nanase_Kurumi_aka_menhera_chan_is_mine ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define pb push_back
#define pi pair<int, int>
#define ALL(i) i.begin(),i.end()
#define gcd(i,j) __gcd(i,j)
#define fi first
#define se second
#define eps 0.00000001
#define ist insert
#define DNE nullptr
//#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math")
//#pragma GCC optimize("O2")
int max(int x,int y){return x>=y?x:y;}
int min(int x,int y){return x>=y?y:x;}
using namespace std;
typedef int ll;
const int N=100005;
const int M=1000005;
const int MOD=1000000007;//998244353;
const int INF=1000000000000000000;//2147483647;

pi a[N];
int c[N],bit[N];
int n,m;
/*void add(int i,int v){
    while (i<N){
        bit[i]+=v;
        i+=(i&-i);
    }
}
int que(int i){
    int res=0;
    while (i>0){
        res+=bit[i];
        i-=(i&-i);
    }
    return res;
}
int n,m;
int getlocate(int v){
    int l=1,r=m,res=0;
    while (r>=l){
        int md=(l+r)/2;
        if (c[md]>=v){
            res=md;
            l=md+1;
        }
        else r=md-1;
    }
    return res;
}*/
int calc(int k){
    vector<int> vc;
    for (int i=0;(1<<i)<=k;i++)
        if (k&i)
            vc.pb(i+1);
    reverse(ALL(vc));
    for (int i=0;i<vc.size();i++)
        if (c[i]<a[vc[i]].se)
            return 0;
    return vc.size();
}
inline void sol(){
    cin >>n>>m;
    for (int i=1;i<=n;i++)
        cin >>a[i].se>>a[i].fi;
    for (int j=0;j<m;j++)
        cin >>c[j];
    sort(a+1,a+n+1);
    sort(c,c+m,greater<int>());
    int ans=0;
    for (int i=0;i<(1<<n);i++){
        ans=max(ans,calc(i));
    }
    cout <<ans<<'\n';
}
signed main(){
    Nanase_Kurumi_aka_menhera_chan_is_mine
    int _=1;
    //cin >>_;
    while (_--) sol();
    return 0;
}

Compilation message (stderr)

joi2019_ho_t2.cpp: In function 'long long int calc(long long int)':
joi2019_ho_t2.cpp:61:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |     for (int i=0;i<vc.size();i++)
      |                  ~^~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50