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 <iostream>
#include <vector>
#include <algorithm>
#include <numeric>
#include <cstdlib>
#include <cmath>
#include <queue>
#include <stack>
#include <deque>
#include <fstream>
#include <iterator>
#include <set>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cctype>
#include <string>
#include <cassert>
#include <set>
#include <bitset>
#include <unordered_set>
using ll = int64_t;
#define pb push_back
#define all(a) a.begin(),a.end()
#define ppi pair<pair<int,int>,int>
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define int int64_t
// xcode cant include bits/stdc++.h
using namespace std;
//ifstream fin ("sleepy.in");
//ofstream fout ("sleepy.out");
/* /\_/\
* (= ._.)
* / > \>
*/
// encouraging cat
const int INF = 100000000000000;
const int mod = 1000000007;
const int MAXN = 100001;
int32_t main() {
int n;
cin >> n;
unordered_map<int, int> h;
for (int i = 0;i < n;i++)
{
int x,y;
cin >> x >> y;
h[x/2] = max(h[x/2],y/2);
}
int mx = 0;
int a = 0;
for (int i = MAXN - 1;i >= 1;i--)
{
mx = max(h[i],mx);
a += mx;
}
a *= 4;
cout << a << '\n';
return 0;
}
Compilation message (stderr)
unija.cpp:32:9: warning: "/*" within comment [-Wcomment]
32 | /* /\_/\
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