oj.uz

Submission #884890

# Submission time Handle Problem Language Result Execution time Memory
884890 2023-12-08T15:59:15 Z banhcuon14 Exhibition (JOI19_ho_t2) C++14
0 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
typedef pair<int,int > pii;
typedef long long ll;
const int mod = 1e9 + 7;
const int maxn = 5 + 1e5;
int n, m;
namespace subtask3 {
	void solve() {
		vector<pair<int,int > > a(n);
		vector<int > c(m);
		for (int i = 0; i < n; ++i) {
			cin >> a[i].first >> a[i].second;
		}
		for (int i = 0; i < m; ++i) {
			cin >> c[i];
		}
		sort(c.begin(),c.end());
		sort(a.begin(),a.end(),[] (const pii& a, const pii& b) {
			if (a.second != b.second) return a.second < b.second;
			return a.first < b.first;
		});
		int res = 0;
		for (int i = 0; i < n && res < m;++i) {
			if (c[res] >= a[i].first) ++res;
		}
		cout << res;
	}
}
 
 
signed main()
{
	#define name "task"
	if (fopen(name".inp", "r")) {
		freopen(name".inp", "r", stdin);
		freopen(name".out", "w", stdout);
	}
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> m;
	subtask3::solve();
	cerr << "Time Elasped: " << fixed << setprecision(3) << 1.0*clock()/CLOCKS_PER_SEC << '\n';
	return 0;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:38:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |   freopen(name".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:39:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |   freopen(name".out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 344 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 344 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 344 KB Output isn't correct
5 Halted 0 ms 0 KB -