oj.uz

Submission #262049

# Submission time Handle Problem Language Result Execution time Memory
262049 2020-08-12T10:08:20 Z define Fireworks (APIO16_fireworks) C++11
26 / 100
 19 ms 1024 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,n) for(int i=1;i<n;i++)
#define rev(i,n) for(int i=n-1;i>=0;i--)
#define all(v) v.begin(),v.end()
#define P pair<int,int>
#define len(s) (int)s.size()

template<class T> inline bool chmin(T &a, T b){
	if(a>b){a=b;return true;}
	return false;
}
template<class T> inline bool chmax(T &a, T b){
	if(a<b){a=b;return true;}
	return false;
}
constexpr int mod = 1e9+7;
constexpr long long inf = 3e18;

int N,M;
vector<P>G[305];
int dp[305][305];
void dfs(int x,int p){
	bool flag=false;
	for(auto i:G[x])if(i.first!=p){dfs(i.first,x);flag=1;}
	if(!flag){
		fill(dp[x]+1,dp[x]+301,inf);
	}
	rep(k,301){
		for(auto i:G[x])if(i.first!=p){
			int mn=inf;
			rep(j,k+1){
				chmin(mn,dp[i.first][j]+abs((k-j)-i.second));
			}
			dp[x][k]+=mn;
		}
	}
}
signed main(){
	cin.tie(0);ios::sync_with_stdio(false);
	cin>>N>>M;
	if(N==1){
		vector<int>v(M);
		for(int &i:v)cin>>i>>i;
		sort(all(v));
		int med=v[len(v)/2];
		int ans=0;
		for(int &i:v)ans+=abs(med-i);
		cout<<ans<<endl;
		return 0;
	}
	REP(i,N+M){
		int a,b;cin>>a>>b;a--;
		G[a].push_back({i,b});
	}
	dfs(0,0);
	int ans=inf;
	rep(i,301)chmin(ans,dp[0][i]);
	cout<<ans<<endl;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 4 ms 512 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 7 ms 640 KB Output is correct
6 Correct 8 ms 640 KB Output is correct
7 Correct 11 ms 768 KB Output is correct
8 Correct 11 ms 768 KB Output is correct
9 Correct 11 ms 768 KB Output is correct
10 Correct 13 ms 896 KB Output is correct
11 Correct 14 ms 896 KB Output is correct
12 Correct 17 ms 1024 KB Output is correct
13 Correct 16 ms 1024 KB Output is correct
14 Correct 17 ms 1024 KB Output is correct
15 Correct 18 ms 1024 KB Output is correct
16 Correct 18 ms 1024 KB Output is correct
17 Correct 18 ms 1024 KB Output is correct
18 Correct 18 ms 1024 KB Output is correct
19 Correct 19 ms 1024 KB Output is correct

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 4 ms 512 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 7 ms 640 KB Output is correct
16 Correct 8 ms 640 KB Output is correct
17 Correct 11 ms 768 KB Output is correct
18 Correct 11 ms 768 KB Output is correct
19 Correct 11 ms 768 KB Output is correct
20 Correct 13 ms 896 KB Output is correct
21 Correct 14 ms 896 KB Output is correct
22 Correct 17 ms 1024 KB Output is correct
23 Correct 16 ms 1024 KB Output is correct
24 Correct 17 ms 1024 KB Output is correct
25 Correct 18 ms 1024 KB Output is correct
26 Correct 18 ms 1024 KB Output is correct
27 Correct 18 ms 1024 KB Output is correct
28 Correct 18 ms 1024 KB Output is correct
29 Correct 19 ms 1024 KB Output is correct
30 Runtime error 1 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
31 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 4 ms 512 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 7 ms 640 KB Output is correct
16 Correct 8 ms 640 KB Output is correct
17 Correct 11 ms 768 KB Output is correct
18 Correct 11 ms 768 KB Output is correct
19 Correct 11 ms 768 KB Output is correct
20 Correct 13 ms 896 KB Output is correct
21 Correct 14 ms 896 KB Output is correct
22 Correct 17 ms 1024 KB Output is correct
23 Correct 16 ms 1024 KB Output is correct
24 Correct 17 ms 1024 KB Output is correct
25 Correct 18 ms 1024 KB Output is correct
26 Correct 18 ms 1024 KB Output is correct
27 Correct 18 ms 1024 KB Output is correct
28 Correct 18 ms 1024 KB Output is correct
29 Correct 19 ms 1024 KB Output is correct
30 Runtime error 1 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
31 Halted 0 ms 0 KB -