Submission #978211

#	Time	Username	Problem	Language	Result	Execution time	Memory
978211		Amaarsaa	Exhibition (JOI19_ho_t2)	C++14	100 / 100	39 ms	5684 KiB

joi2019_ho_t2

#include<bits/stdc++.h>

using namespace std;
using ll = long long ;
int main() {
//	freopen("moocast.in", "r", stdin);
//	freopen("moocast.out", "w", stdout);
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	ll t, n, m, ans, s, sum, x, y, r, p, i, j;

	cin >> n >> m;
	pair < ll, ll > P[n + 2];
	
	for (i = 1; i <= n; i ++) {
		cin >> P[i].second >> P[i].first;
	}
	sort(P + 1, P + n + 1);
	ll a[m + 2];
	for (i = 1; i <= m; i++) cin >>a[i];
	j = m;
	sort ( a + 1, a +m +1);
	for (i = n; i >= 1; i --) {
		if ( j == 0) break;
		if ( a[j] >= P[i].second) {
			j --;
		}
	}
	cout << m - j  << endl;
	
}

Compilation message (stderr)

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:10:5: warning: unused variable 't' [-Wunused-variable]
   10 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |     ^
joi2019_ho_t2.cpp:10:14: warning: unused variable 'ans' [-Wunused-variable]
   10 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |              ^~~
joi2019_ho_t2.cpp:10:19: warning: unused variable 's' [-Wunused-variable]
   10 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |                   ^
joi2019_ho_t2.cpp:10:22: warning: unused variable 'sum' [-Wunused-variable]
   10 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |                      ^~~
joi2019_ho_t2.cpp:10:27: warning: unused variable 'x' [-Wunused-variable]
   10 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |                           ^
joi2019_ho_t2.cpp:10:30: warning: unused variable 'y' [-Wunused-variable]
   10 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |                              ^
joi2019_ho_t2.cpp:10:33: warning: unused variable 'r' [-Wunused-variable]
   10 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |                                 ^
joi2019_ho_t2.cpp:10:36: warning: unused variable 'p' [-Wunused-variable]
   10 |  ll t, n, m, ans, s, sum, x, y, r, p, i, j;
      |                                    ^

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