Submission #41578

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
41578	2018-02-19 13:19:37	szawinis	Art Exhibition (JOI18_art)	C++14	100 / 100	341 ms	16700 KiB

art

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 5e5+1;
int n;
pair<ll, ll> vec[N];
priority_queue<ll, vector<ll>, greater<ll> > pq;
ll ans, sum[N];
int main() {
  scanf("%d", &n);
  for(int i = 1; i <= n; i++) {
    ll a, b;
    scanf("%lld %lld", &a, &b);
    vec[i] = {a, b};
  }
  sort(vec+1, vec+n+1);
  for(int i = 1; i <= n; i++) sum[i] = sum[i-1] + vec[i].second;
  for(int i = 1; i <= n; i++) {
    pq.push(sum[i-1] - vec[i].first);
    ans = max(sum[i] - vec[i].first - pq.top(), ans);
  }
  printf("%lld", ans);
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:11:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
art.cpp:14:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld", &a, &b);
                             ^

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