#include <cstdio>
#include <iostream>
#include <algorithm>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <iomanip>
#include <cassert>
#include <bitset>
using namespace std;
typedef pair<int, int> P;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(c) (c).begin(), (c).end()
#define uniq(c) c.erase(unique(all(c)), (c).end())
#define index(xs, x) (int)(lower_bound(all(xs), x) - xs.begin())
#define _1 first
#define _2 second
#define pb push_back
#define INF 1145141919
#define MOD 1000000007
int N, M;
vector<P> G[300000];
signed main() {
ios::sync_with_stdio(false); cin.tie(0);
cin >> N >> M;
rep(i, N-1+M) {
int p, c;
cin >> p >> c;
p--;
G[p].pb(P(i+1, c));
}
if (N > 1) return 1;
vector<int> costs;
for (P p : G[0]) costs.pb(p._2);
sort(all(costs));
int g = costs[costs.size()/2];
long long sum = 0;
for (int c : costs) sum += abs(c - g);
cout << sum << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
9208 KB |
Output is correct |
2 |
Correct |
3 ms |
9208 KB |
Output is correct |
3 |
Correct |
0 ms |
9208 KB |
Output is correct |
4 |
Correct |
0 ms |
9208 KB |
Output is correct |
5 |
Correct |
3 ms |
9208 KB |
Output is correct |
6 |
Correct |
0 ms |
9208 KB |
Output is correct |
7 |
Correct |
0 ms |
9208 KB |
Output is correct |
8 |
Correct |
0 ms |
9208 KB |
Output is correct |
9 |
Correct |
0 ms |
9208 KB |
Output is correct |
10 |
Correct |
3 ms |
9208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
9208 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
9208 KB |
Output is correct |
2 |
Correct |
3 ms |
9208 KB |
Output is correct |
3 |
Correct |
0 ms |
9208 KB |
Output is correct |
4 |
Correct |
0 ms |
9208 KB |
Output is correct |
5 |
Correct |
3 ms |
9208 KB |
Output is correct |
6 |
Correct |
0 ms |
9208 KB |
Output is correct |
7 |
Correct |
0 ms |
9208 KB |
Output is correct |
8 |
Correct |
0 ms |
9208 KB |
Output is correct |
9 |
Correct |
0 ms |
9208 KB |
Output is correct |
10 |
Correct |
3 ms |
9208 KB |
Output is correct |
11 |
Incorrect |
0 ms |
9208 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
9208 KB |
Output is correct |
2 |
Correct |
3 ms |
9208 KB |
Output is correct |
3 |
Correct |
0 ms |
9208 KB |
Output is correct |
4 |
Correct |
0 ms |
9208 KB |
Output is correct |
5 |
Correct |
3 ms |
9208 KB |
Output is correct |
6 |
Correct |
0 ms |
9208 KB |
Output is correct |
7 |
Correct |
0 ms |
9208 KB |
Output is correct |
8 |
Correct |
0 ms |
9208 KB |
Output is correct |
9 |
Correct |
0 ms |
9208 KB |
Output is correct |
10 |
Correct |
3 ms |
9208 KB |
Output is correct |
11 |
Incorrect |
0 ms |
9208 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |