Submission #6811836


Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
int main(){
  vector < pair < int, int > > v;
  int n, m;
  cin >> n >> m;
  for(int i = 0 ; i < n ;  i++){
    int x, y;
    cin >> x >> y;
    v.push_back({y, x});
  }
  sort(v.rbegin(),v.rend());
  set < int > st;
  for(int i = 1 ; i <= m ; i++)
    st.insert(i);
  long long ans = 0;
  for(int i = 0; i < v.size() ; i++){
    auto it = st.lower_bound(v[i].second);
    if (it != st.end()){
      st.erase(it);
      ans += v[i].first;
    }
  }
  cout << ans;
  return 0;
}

Submission Info

Submission Time
Task D - Summer Vacation
User Bohoty
Language C++14 (GCC 5.4.1)
Score 400
Code Size 573 Byte
Status AC
Exec Time 112 ms
Memory 5748 KB

Judge Result

Set Name All Sample
Score / Max Score 400 / 400 0 / 0
Status
AC × 21
AC × 3
Set Name Test Cases
All sample_01, sample_02, sample_03, testcase_01, testcase_02, testcase_03, testcase_04, testcase_05, testcase_06, testcase_07, testcase_08, testcase_09, testcase_10, testcase_11, testcase_12, testcase_13, testcase_14, testcase_15, testcase_16, testcase_17, testcase_18
Sample sample_01, sample_02, sample_03
Case Name Status Exec Time Memory
sample_01 AC 1 ms 256 KB
sample_02 AC 1 ms 256 KB
sample_03 AC 1 ms 256 KB
testcase_01 AC 24 ms 3200 KB
testcase_02 AC 9 ms 1920 KB
testcase_03 AC 59 ms 2292 KB
testcase_04 AC 112 ms 5748 KB
testcase_05 AC 111 ms 5748 KB
testcase_06 AC 78 ms 2804 KB
testcase_07 AC 109 ms 5620 KB
testcase_08 AC 21 ms 1916 KB
testcase_09 AC 50 ms 3956 KB
testcase_10 AC 77 ms 5748 KB
testcase_11 AC 79 ms 5108 KB
testcase_12 AC 20 ms 1660 KB
testcase_13 AC 89 ms 5748 KB
testcase_14 AC 82 ms 5236 KB
testcase_15 AC 6 ms 640 KB
testcase_16 AC 90 ms 5748 KB
testcase_17 AC 11 ms 1024 KB
testcase_18 AC 78 ms 5748 KB