Submission #1097234

#	Time	Username	Problem	Language	Result	Execution time	Memory
1097234		StefanSebez	Exhibition (JOI19_ho_t2)	C++14	100 / 100	40 ms	4688 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
const int N=1e5+50;
pair<int,int>a[N];
int b[N];
int main(){
    int n,m;scanf("%i%i",&n,&m);
    for(int i=1;i<=n;i++) scanf("%i%i",&a[i].fi,&a[i].se);
    for(int i=1;i<=m;i++) scanf("%i",&b[i]);
    sort(a+1,a+n+1,[&](pair<int,int>A,pair<int,int>B){return A.se<B.se||(A.se==B.se&&A.fi<B.fi);});
    sort(b+1,b+m+1);
    int res=0;
    //for(int i=1;i<=n;i++) printf("{%i %i} ",a[i].fi,a[i].se);printf("\n");
    for(int i=n,j=m;i>=1&&j>=1;i--){
		if(a[i].fi<=b[j]){
			res++;
			j--;
		}
    }
    printf("%i\n",res);
    return 0;
}

Compilation message (stderr)

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:12:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     int n,m;scanf("%i%i",&n,&m);
      |             ~~~~~^~~~~~~~~~~~~~
joi2019_ho_t2.cpp:13:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     for(int i=1;i<=n;i++) scanf("%i%i",&a[i].fi,&a[i].se);
      |                           ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:14:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     for(int i=1;i<=m;i++) scanf("%i",&b[i]);
      |                           ~~~~~^~~~~~~~~~~~

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