Submission #47566

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
47566	2018-05-05 03:52:29	dqhungdl	Schools (IZhO13_school)	C++17	100 / 100	269 ms	15344 KiB

school

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
typedef pair<long long,long long> ii;
long long n,A,B,res=0,f1[300005],f2[300005];
ii a[300005];
multiset<long long> s;
bool cmp(ii x1,ii x2)
{
  return x1.first-x1.second>x2.first-x2.second;
}
int main()
{
  ios_base::sync_with_stdio(false);
  //freopen("TEST.INP","r",stdin);
  //freopen("TEST.OUT","w",stdout);
  cin>>n>>A>>B;
  for(long long i=1;i<=n;i++)
    cin>>a[i].first>>a[i].second;
  sort(a+1,a+n+1,cmp);
  long long sum=0;
  for(long long i=1;i<=n;i++)
  {
    sum+=a[i].first;
    s.insert(a[i].first);
    if(s.size()>A)
    {
      sum-=*s.begin();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

school.cpp: In function 'int main()':
school.cpp:28:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(s.size()>A)
      ~~~~~~~~^~
school.cpp:41:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(s.size()>B)
      ~~~~~~~~^~

• Subtask 1: 100 / 100