Submission #97407

#	Time	Username	Problem	Language	Result	Execution time	Memory
97407		MatheusLealV	Exhibition (JOI19_ho_t2)	C++17	100 / 100	79 ms	1656 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#define N 100050
#define f first
#define s second
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;

pii p[N];

int n, m, c[N], ans;

int main()
{
	ios::sync_with_stdio(false); cin.tie(0);

	cin>>n>>m;

	for(int i = 1; i <= n; i++) cin>>p[i].s>>p[i].f;

	for(int i = 1; i <= m; i++) cin>>c[i];

	sort(c + 1, c + m + 1);

	sort(p + 1, p + n + 1);

	int j = n, resp = 0;

	for(int i = m; i >= 1; i--)
	{
		while(p[j].s > c[i] and j >= 1) j --;

		if(j >= 1) ans ++, j --;
	}

	cout<<ans<<"\n";
}

Compilation message (stderr)

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:27:13: warning: unused variable 'resp' [-Wunused-variable]
  int j = n, resp = 0;
             ^~~~

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