Submission #136265

#	Time	Username	Problem	Language	Result	Execution time	Memory
136265		KLPP	Art Exhibition (JOI18_art)	C++14	100 / 100	278 ms	24684 KiB

art

#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;
typedef pair<lld,lld> pii;
#define rep(i,a,b) for(int i=a;i<b;i++)

int main(){
  int n;
  scanf("%d",&n);
  pii arr[n];
  rep(i,0,n){
    scanf("%lld %lld",&arr[i].first,&arr[i].second);
  }
  sort(arr,arr+n);
  lld DP[n];
  DP[0]=arr[0].second;
  rep(i,1,n){
    DP[i]=arr[i].second;
    DP[i]=max(DP[i],DP[i-1]+arr[i].second-(arr[i].first-arr[i-1].first));
  }
  lld ans=0;
  rep(i,0,n)ans=max(ans,DP[i]);
  printf("%lld\n",ans);
  return 0;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
   ~~~~~^~~~~~~~~
art.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld",&arr[i].first,&arr[i].second);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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