Submission #151418

#	Time	Username	Problem	Language	Result	Execution time	Memory
151418		TadijaSebez	만두 (JOI14_ho_t2)	C++11	100 / 100	14 ms	540 KiB

2014_ho_t2

#include <bits/stdc++.h>
using namespace std;
const int M=20050;
const int inf=1e9+7;
int p[M],dp[M];
int main()
{
	int n,m,c,e;
	scanf("%i %i",&m,&n);
	for(int i=1;i<=m;i++) scanf("%i",&p[i]);
	sort(p+1,p+1+m);reverse(p+1,p+1+m);
	for(int i=1;i<M;i++) dp[i]=inf;
	while(n--)
	{
		scanf("%i %i",&c,&e);
		for(int i=M-1;i>=c;i--) dp[i]=min(dp[i],dp[i-c]+e);
	}
	for(int i=m+1;i<M;i++) dp[m]=min(dp[m],dp[i]);
	int ans=0;
	for(int i=1;i<=m;i++) p[i]+=p[i-1],ans=max(ans,p[i]-dp[i]);
	printf("%i\n",ans);
	return 0;
}

Compilation message (stderr)

2014_ho_t2.cpp: In function 'int main()':
2014_ho_t2.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&m,&n);
  ~~~~~^~~~~~~~~~~~~~~
2014_ho_t2.cpp:10:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=m;i++) scanf("%i",&p[i]);
                        ~~~~~^~~~~~~~~~~~
2014_ho_t2.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%i %i",&c,&e);
   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40