Submission #195657

#	Time	Username	Problem	Language	Result	Execution time	Memory
195657		T0p_	Art Exhibition (JOI18_art)	C++14	0 / 100	3 ms	508 KiB

art

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

long long a[20], b[20];

int main(){
	int n;
	long long ans = 0;
	scanf(" %d",&n);
	if(n > 16) return 0;
	for(int i=1 ; i<=n ; i++) scanf(" %lld %lld",&a[i],&b[i]);
	for(int i=0 ; i<(1<<16) ; i++){
		int temp = i;
		long long S = 0, AM = -1e18, Am = 1e18;
		for(int j=1 ; j<=16 ; j++){
			if(temp%2){
				S += b[i];
				AM = max(AM, b[i]);
				Am = min(Am, b[i]);
			}
			temp/=2;
		}
		ans = max(ans, S - AM + Am);
	}
	printf("%lld\n",ans);
	return 0;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf(" %d",&n);
  ~~~~~^~~~~~~~~~
art.cpp:11:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1 ; i<=n ; i++) scanf(" %lld %lld",&a[i],&b[i]);
                            ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50