Submission #676307

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
676307	2022-12-30 08:54:45	vjudge1	Schools (IZhO13_school)	C++17	100 / 100	203 ms	13796 KiB

school

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#include <bits/stdc++.h>
using namespace std;
 
const int N = 3e5 + 5;
 
/*
    i < j
    a[i] + b[j] > a[j] + b[i]
<=> a[i] - a[j] > b[i] - b[j]
--> just choose prefix
*/
 
int id[N];
int a[N], b[N];
int n, m, s;
int64_t pre[N], suf[N];
 
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
 
  cin >> n >> m >> s;
 
  for (int i = 1; i <= n; i++) {
    cin >> a[i] >> b[i];
  }
 
  iota(id + 1, id + n + 1, 1);
  sort(id + 1, id + n + 1, [&](int i, int j) {
    return a[i] - a[j] > b[i] - b[j];
 
 
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Compilation message (stderr)

school.cpp: In function 'int main()':
school.cpp:39:21: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |       if (ss.size() > m) {
      |           ~~~~~~~~~~^~~
school.cpp:53:21: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   53 |       if (ss.size() > s) {
      |           ~~~~~~~~~~^~~

• Subtask 1: 100 / 100