oj.uz

Submission #305830

# Submission time Handle Problem Language Result Execution time Memory
305830 2020-09-24T02:19:56 Z T0p_ Exhibition (JOI19_ho_t2) C++17
0 / 100
 1 ms 256 KB 
#include<bits/stdc++.h>
using namespace std;

struct picture
{
	int s, v;
	bool operator < (const picture & o) const
	{
		return v < o.v;	
	}
};

picture p[100100];
int f[100100];

int main()
{
	int n, m;
	scanf(" %d %d",&n,&m);
	for(int i=1 ; i<=n ; i++)
		scanf(" %d %d",&p[i].s,&p[i].v);
	for(int i=1 ; i<=m ; i++)
		scanf(" %d",&f[i]);
	sort(p+1, p+n+1);
	sort(f+1, f+m+1);
	int i = n, j = m, ans = 0;
	while(i >= 1 && j >= 1)
	{
		if(p[i].s <= f[j])
		{
			j--;
			ans++;
		}
		i--;
	}
	printf("%d\n",ans);
	return 0;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |  scanf(" %d %d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   21 |   scanf(" %d %d",&p[i].s,&p[i].v);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |   scanf(" %d",&f[i]);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Incorrect 1 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Incorrect 1 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Incorrect 1 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -