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답안 #388990

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
388990 2021-04-13T12:29:45 Z mosiashvililuka Fireworks (APIO16_fireworks) C++14
26 / 100
 32 ms 1180 KB 
#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,e,i,j,ii,jj,zx,xc,dp[309][309],dep[309],E[309],EI,Z,L[309],l;
const long long N=1000000000000000000LL;
pair <long long, long long> msh[309];
vector <pair <long long, long long> > v[5009];
map <long long, long long> m;
map <long long, long long>::iterator tt;
void dfsst(long long q, long long w){
	for(vector <pair <long long, long long> >::iterator it=v[q].begin(); it!=v[q].end(); it++){
		if((*it).first==w) continue;
		dep[(*it).first]=dep[q]+(*it).second;
		msh[(*it).first]=make_pair(q,(*it).second);
		dfsst((*it).first,q);
	}
}
void dfs(long long q, long long w){
	if(q>a){
		/*for(j=0; j<=300; j++){
			dp[q][j]=abs(j-msh[q].second);
			//if(j<=5) cout<<q<<" "<<j<<"   "<<dp[q][j]<<endl;
		}*/
		dp[q][0]=0;
		for(j=1; j<=300; j++){
			dp[q][j]=N;
		}
		return;
	}
	for(vector <pair <long long, long long> >::iterator it=v[q].begin(); it!=v[q].end(); it++){
		if((*it).first==w) continue;
		dfs((*it).first,q);
		l=(*it).second;
		ii=(*it).first;
		for(j=0; j<=300; j++){
			e=N;
			for(jj=0; jj<=j; jj++){
				e=min(e,dp[ii][jj]+abs(l-j+jj));
			}
			dp[q][j]=dp[q][j]+e;
		}
	}
}
int main(){
	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>a>>b;
	for(i=2; i<=a; i++){
		cin>>c>>d;
		v[c].push_back(make_pair(i,d));
	}
	for(i=a+1; i<=a+b; i++){
		cin>>c>>d;
		v[c].push_back(make_pair(i,d));
		EI++;
		E[EI]=d;
	}
	if(a==1){
	sort(E+1,E+EI+1);
	c=E[EI/2+EI%2];
	e=0;
	for(i=1; i<=EI; i++){
		e+=abs(c-E[i]);
	}
	cout<<e;
	return 0;
	}
	dfsst(1,0);
	for(i=a+1; i<=a+b; i++){
		m[dep[i]]=1;
	}
	dfs(1,0);
	e=N;
	for(j=0; j<=300; j++){
		e=min(e,dp[1][j]);
	}
	cout<<e;
	return 0;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 4 ms 544 KB Output is correct
3 Correct 4 ms 588 KB Output is correct
4 Correct 6 ms 652 KB Output is correct
5 Correct 7 ms 716 KB Output is correct
6 Correct 8 ms 720 KB Output is correct
7 Correct 9 ms 716 KB Output is correct
8 Correct 10 ms 844 KB Output is correct
9 Correct 11 ms 812 KB Output is correct
10 Correct 12 ms 972 KB Output is correct
11 Correct 25 ms 1008 KB Output is correct
12 Correct 15 ms 972 KB Output is correct
13 Correct 16 ms 1100 KB Output is correct
14 Correct 17 ms 1080 KB Output is correct
15 Correct 32 ms 1116 KB Output is correct
16 Correct 18 ms 1100 KB Output is correct
17 Correct 17 ms 1100 KB Output is correct
18 Correct 27 ms 1180 KB Output is correct
19 Correct 17 ms 1100 KB Output is correct

Subtask #3
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 4 ms 544 KB Output is correct
13 Correct 4 ms 588 KB Output is correct
14 Correct 6 ms 652 KB Output is correct
15 Correct 7 ms 716 KB Output is correct
16 Correct 8 ms 720 KB Output is correct
17 Correct 9 ms 716 KB Output is correct
18 Correct 10 ms 844 KB Output is correct
19 Correct 11 ms 812 KB Output is correct
20 Correct 12 ms 972 KB Output is correct
21 Correct 25 ms 1008 KB Output is correct
22 Correct 15 ms 972 KB Output is correct
23 Correct 16 ms 1100 KB Output is correct
24 Correct 17 ms 1080 KB Output is correct
25 Correct 32 ms 1116 KB Output is correct
26 Correct 18 ms 1100 KB Output is correct
27 Correct 17 ms 1100 KB Output is correct
28 Correct 27 ms 1180 KB Output is correct
29 Correct 17 ms 1100 KB Output is correct
30 Runtime error 1 ms 716 KB Execution killed with signal 11
31 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 4 ms 544 KB Output is correct
13 Correct 4 ms 588 KB Output is correct
14 Correct 6 ms 652 KB Output is correct
15 Correct 7 ms 716 KB Output is correct
16 Correct 8 ms 720 KB Output is correct
17 Correct 9 ms 716 KB Output is correct
18 Correct 10 ms 844 KB Output is correct
19 Correct 11 ms 812 KB Output is correct
20 Correct 12 ms 972 KB Output is correct
21 Correct 25 ms 1008 KB Output is correct
22 Correct 15 ms 972 KB Output is correct
23 Correct 16 ms 1100 KB Output is correct
24 Correct 17 ms 1080 KB Output is correct
25 Correct 32 ms 1116 KB Output is correct
26 Correct 18 ms 1100 KB Output is correct
27 Correct 17 ms 1100 KB Output is correct
28 Correct 27 ms 1180 KB Output is correct
29 Correct 17 ms 1100 KB Output is correct
30 Runtime error 1 ms 716 KB Execution killed with signal 11
31 Halted 0 ms 0 KB -