Submission #258772

#	Time	Username	Problem	Language	Result	Execution time	Memory
258772		Fidisk	Exhibition (JOI19_ho_t2)	C++14	0 / 100	1 ms	384 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;

#define oo 1e9
#define fi first
#define se second
#define sp(iiii) setprecision(iiii)
#define IO ios_base::sync_with_stdio(false); cin.tie(0)
#define ms(aaaa,xxxx) memset(aaaa,xxxx,sizeof(aaaa))
#define cntbit(xxxx) __builtin_popcount(xxxx)
#define getbit(xxxx,aaaa) ((xxxx>>(aaaa-1))&1)
#define _cos(xxxx) cos(xxxx*acos(-1)/180)
#define _sin(xxxx) sin(xxxx*acos(-1)/180)
#define _tan(xxxx) tan(xxxx*acos(-1)/180)
#define PE cout<<fixed

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<pair<int,int>,int> piii;
typedef pair<long long,long long> pll;
typedef pair<pair<long long,long long>,long long> plll;

const ld pi=acos(-1);

ll n,m,i,b[500009],res;
pll a[500009];

bool comp(pll x,pll y){
    return x.se<y.se;
}

int main(){
    IO;
    cin>>n>>m;
    for (i=1;i<=n;i++) {
        cin>>a[i].fi>>a[i].se;
    }
    for (i=1;i<=m;i++) {
        cin>>b[i];
    }
    sort(a+1,a+n+1,comp);
    sort(b+1,b+m+1);
    while ((n>0)&&(m>0)) {
        //cout<<n<<' '<<m<<' '<<a[n].fi<<' '<<a[n].se<<' '<<b[m]<<'\n';
        if ((a[n].fi<=b[m])) {
            res++;
            n--;
            m--;
        }
        else {
            m--;
        }
    }
    cout<<res;
}

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