Submission #1008376

#	Time	Username	Problem	Language	Result	Execution time	Memory
1008376		modwwe	Exhibition (JOI19_ho_t2)	C++17	100 / 100	44 ms	4492 KiB

joi2019_ho_t2

//https://www.instagram.com/_modwwe/
#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2")
#include<bits/stdc++.h>
//#define int long long
//#define ll long long
#define down cout<<'\n';
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const int inf=1e18;
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    int a,b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e,f;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int  i,s10,s12;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
///     fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo(),down
}
 ib a[100002];
 int b[100002];
 bool cmp(ib a,ib b)
 {
     if(a.b==b.b) return a.a>b.a;
     return a.b>b.b;
 }
void phongbeo()
{
     cin>>n>>m;
     for(int i=1;i<=n;i++)
        cin>>a[i].a>>a[i].b;
      sort(a+1,a+1+n,cmp);
    for(int i=1;i<=m;i++)
         cin>>b[i];
    sort(b+1,b+1+m,greater<int>());
     l=1;
     s2=0;
    for(int i=1;i<=m;i++)
    {
        while(a[l].a>b[i]&&l<=n){l++;}
        if(l!=n+1) l++,s2++;
        else {break;}
    }
    cout<<s2;
}

Compilation message (stderr)

joi2019_ho_t2.cpp:19:15: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   19 | const int inf=1e18;
      |               ^~~~
joi2019_ho_t2.cpp:47:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   47 | main()
      | ^~~~

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