Submission #211967

#	Time	Username	Problem	Language	Result	Execution time	Memory
211967		Harry464	Art Exhibition (JOI18_art)	C++14	0 / 100	5 ms	256 KiB

art

#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>

using namespace std;

#define ll long long

int main() {
  ll n;
  cin >> n;
  vector <pair <ll,ll> > a(n);
  for (int i = 0; i < n; i++)
   cin >> a[i].first >> a[i].second;
  sort(a.begin(),a.end());
  ll md = 0, ms = 0;
  vector <ll> kum(n+1,0);
  for (int i = 1; i <= n; i++)
   kum[i] = kum[i-1] + a[i-1].second;
  for (int i = 1; i <= n; i++){
    ll tren = kum[i] - a[i-1].first;
    ll md = min(md,kum[i-1] - a[i-1].first);
    tren -= md;
    ms = max(ms,tren);
  }
  cout << ms;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:17:6: warning: unused variable 'md' [-Wunused-variable]
   ll md = 0, ms = 0;
      ^~
art.cpp:23:8: warning: 'md' may be used uninitialized in this function [-Wmaybe-uninitialized]
     ll md = min(md,kum[i-1] - a[i-1].first);
        ^~

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