# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
682810 | smartmonky | Schools (IZhO13_school) | C++14 | 228 ms | 19548 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long
using namespace std;
const int N = 1e5 + 1;
bool comp(pair <int,int> a, pair <int,int> b){
return max(a.ff,a.ss) > max(b.ff,b.ss);
}
main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int n, m, s;
cin >> n >> m >> s;
vector <int> a, b;
vector <pair <int,int> > vp(n);
for(int i = 0; i < n; i++){
cin >> vp[i].ff >> vp[i].ss;
a.pb(vp[i].ff);
b.pb(vp[i].ss);
}
sort(all(vp), comp);
sort(rall(a));
sort(rall(b));
multiset <int> sta, stb;
for(int i = 0; i < m; i++)
sta.insert(a[i]);
for(int i = 0; i < s; i++)
stb.insert(b[i]);
int lm = m, ls = s;
int ans = 0;
for(int i = 0; i < n; i++){
if(!s && !m)break;
if(sta.find(vp[i].ff) != sta.end() && (m && !s || m && abs(vp[i].ff - a[lm]) >= abs(vp[i].ss - b[ls]))){
//cout <<"1 " << vp[i].ff << endl;
ans += vp[i].ff;
if(sta.find(vp[i].ff) != sta.end())
sta.erase(sta.find(vp[i].ff));
if(stb.find(vp[i].ss) != stb.end())
stb.erase(stb.find(vp[i].ss));
//cout << "what??" << endl;
stb.insert(b[ls]);
ls++;
m--;
}else if(stb.find(vp[i].ss) != stb.end() && (!m && s || s && abs(vp[i].ff - a[lm]) <= abs(vp[i].ss - b[ls]))){
//cout <<"2 " << vp[i].ss << endl;
ans += vp[i].ss;
if(sta.find(vp[i].ff) != sta.end())
sta.erase(sta.find(vp[i].ff));
if(stb.find(vp[i].ss) != sta.end())
stb.erase(stb.find(vp[i].ss));
sta.insert(a[lm]);
lm++;
s--;
}
}
cout << ans;
}
Compilation message (stderr)
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