Submission #97623

#	Time	Username	Problem	Language	Result	Execution time	Memory
97623		maruii	Exhibition (JOI19_ho_t2)	C++14	100 / 100	95 ms	1668 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
int N, M, C[100000];
pii A[100000];
int main(){
	scanf("%d%d",&N,&M);
	for(int i=0; i<N; ++i) scanf("%d%d",&A[i].second,&A[i].first);
	for(int i=0; i<M; ++i) scanf("%d",C+i);
	sort(C, C+M, greater<int>()), sort(A, A+N, greater<pii>());
	int ans=0;
	for(int i=0; i<N && ans<M; ++i) if(C[ans]>=A[i].second) ++ans;
	printf("%d",ans);
	return 0;
}

Compilation message (stderr)

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&N,&M);
  ~~~~~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:8:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0; i<N; ++i) scanf("%d%d",&A[i].second,&A[i].first);
                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:9:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0; i<M; ++i) scanf("%d",C+i);
                         ~~~~~^~~~~~~~~~

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