Submission #305832

#	Time	Username	Problem	Language	Result	Execution time	Memory
305832		T0p_	Exhibition (JOI19_ho_t2)	C++14	Compilation error	0 ms	0 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
using namespace std;

pair<int, int> 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].second,&p[i].first);
	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 (stderr)

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:20:11: error: 'struct std::pair<int, int>' has no member named 's'
   20 |   if(p[i].s <= f[j])
      |           ^
joi2019_ho_t2.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |  scanf(" %d %d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |   scanf(" %d %d",&p[i].second,&p[i].first);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |   scanf(" %d",&f[i]);
      |   ~~~~~^~~~~~~~~~~~~