Submission #165396

#	Time	Username	Problem	Language	Result	Execution time	Memory
165396		Lawliet	Cloud Computing (CEOI18_clo)	C++14	18 / 100	520 ms	2040 KiB

clo

#include <bits/stdc++.h>

using namespace std;
typedef pair<int,int> pii;
typedef long long int lli;

const int MAXS = 50*2000 + 10;
const lli INF = 1000000000000000000LL;

int n, m;

lli dp[MAXS][2];

int main()
{
	scanf("%d",&n);

	for(int i = 1 ; i < MAXS ; i++)
	{
		dp[i][0] = INF;
		dp[i][1] = -INF;
	}

	for(int i = 1 ; i <= n ; i++)
	{
		int c, f, v;
		scanf("%d %d %d",&c,&f,&v);

		for(int j = MAXS - 1 ; j >= c ; j--)
			dp[ j ][0] = min( dp[ j - c ][0] + v , dp[ j ][0] );
	}

	scanf("%d",&m);

	for(int i = 1 ; i <= m ; i++)
	{
		int c, f, v;
		scanf("%d %d %d",&c,&f,&v);

		for(int j = MAXS - 1 ; j >= c ; j--)
			dp[ j ][1] = max( dp[ j - c ][1] + v , dp[ j ][1] );
	}

	lli ans = 0;
	lli mn = INF;

	for(int i = MAXS - 1 ; i >= 0 ; i--)
	{
		mn = min( mn , dp[i][0] );
		ans = max( ans , dp[i][1] - mn );
	}

	printf("%lld\n",ans);
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
clo.cpp:27:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&c,&f,&v);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~
clo.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&m);
  ~~~~~^~~~~~~~~
clo.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&c,&f,&v);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 18
• Subtask 2: 0 / 18
• Subtask 3: 0 / 18
• Subtask 4: 18 / 18
• Subtask 5: 0 / 18
• Subtask 6: 0 / 10