Submission #587929

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
587929	2022-07-02 14:19:19	jmyszka2007	Potatoes and fertilizers (LMIO19_bulves)	C++17	100 / 100	212 ms	15208 KiB

bulves

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
  int n;
  scanf("%d", &n);
  vector<int>a(n + 1);
  vector<int>b(n + 1);
  for(int i = 1; i <= n; i++) {
    scanf("%d%d", &a[i], &b[i]);
  }
  ll ans = 0;
  ll d = 0;
  priority_queue<ll>q;
  for(int i = 1; i <= n; i++) {
    d += a[i] - b[i];
    ans += abs(d);
    if(d < 0) {
      q.push(0);
      q.push(0);
    }
    else {
      q.push(d);
      q.push(d);
    }
    q.pop();
  }
  while(!q.empty()) {
    ll x = q.top();
    q.pop();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bulves.cpp: In function 'int main()':
bulves.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
bulves.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |   scanf("%d%d", &a[i], &b[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 24 / 24
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 10 / 10
• Subtask 5: 36 / 36