oj.uz

Submission #1020618

# Submission time Handle Problem Language Result Execution time Memory
1020618 2024-07-12T07:42:58 Z pcc Fireworks (APIO16_fireworks) C++17
7 / 100
 4 ms 7672 KB 
#include <bits/stdc++.h>
using namespace std;

#define pii pair<int,int>
#define fs first
#define sc second
#define ll long long
const int mxn = 3e5+10;
int N,M;
vector<pii> tree[mxn];
int par[mxn];

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>M;
	for(int i = 2;i<=N+M;i++){
		int p,c;
		cin>>p>>c;
		par[i] = p;
		tree[p].push_back(pii(i,c));
	}
	sort(tree[1].begin(),tree[1].end(),[](pii a,pii b){return a.sc<b.sc;});
	int tar = tree[1][tree[1].size()>>1].sc;
	ll ans = 0;
	for(auto &i:tree[1])ans += abs(tar-i.sc);
	cout<<ans<<'\n';
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7256 KB Output is correct
2 Correct 3 ms 7260 KB Output is correct
3 Correct 3 ms 7260 KB Output is correct
4 Correct 3 ms 7516 KB Output is correct
5 Correct 3 ms 7260 KB Output is correct
6 Correct 4 ms 7672 KB Output is correct
7 Correct 4 ms 7260 KB Output is correct
8 Correct 4 ms 7516 KB Output is correct
9 Correct 4 ms 7256 KB Output is correct
10 Correct 3 ms 7260 KB Output is correct

Subtask #2
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 7256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7256 KB Output is correct
2 Correct 3 ms 7260 KB Output is correct
3 Correct 3 ms 7260 KB Output is correct
4 Correct 3 ms 7516 KB Output is correct
5 Correct 3 ms 7260 KB Output is correct
6 Correct 4 ms 7672 KB Output is correct
7 Correct 4 ms 7260 KB Output is correct
8 Correct 4 ms 7516 KB Output is correct
9 Correct 4 ms 7256 KB Output is correct
10 Correct 3 ms 7260 KB Output is correct
11 Incorrect 3 ms 7256 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7256 KB Output is correct
2 Correct 3 ms 7260 KB Output is correct
3 Correct 3 ms 7260 KB Output is correct
4 Correct 3 ms 7516 KB Output is correct
5 Correct 3 ms 7260 KB Output is correct
6 Correct 4 ms 7672 KB Output is correct
7 Correct 4 ms 7260 KB Output is correct
8 Correct 4 ms 7516 KB Output is correct
9 Correct 4 ms 7256 KB Output is correct
10 Correct 3 ms 7260 KB Output is correct
11 Incorrect 3 ms 7256 KB Output isn't correct
12 Halted 0 ms 0 KB -