답안 #32226 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
32226	2017-10-05T01:24:04 Z	dqhungdl	Fireworks (APIO16_fireworks)	C++14	26 / 100	59 ms	9660 KB

fireworks

#include <bits/stdc++.h>
using namespace std;

typedef pair<int,int> ii;
int n,m,F[305][305];
bool Free[305][305];
vector<ii> g[300005];

bool cmp(ii x1,ii x2)
{
    return x1.second<x2.second;
}

void Sub1()
{
    sort(g[1].begin(),g[1].end(),cmp);
    int tmp=g[1][int(g[1].size())/2].second;
    int64_t res=0;
    for(int i=0;i<g[1].size();i++)
        res+=abs(g[1][i].second-tmp);
    cout<<res;
}

int DFS(int u,int len)
{
    if(u==3&&len==1)
        int h=0;
    if(Free[u][len]==true)
        return F[u][len];
    Free[u][len]=true;
    if(g[u].size()==0)
    {
        if(len==0)
            return F[u][len]=0;
        return F[u][len]=1e9;
    }
    F[u][len]=0;
    for(int i=0;i<g[u].size();i++)
    {
        int v=g[u][i].first;
        int w=g[u][i].second;
        int sum=1e9;
        for(int len1=0;len1<=len;len1++)
            sum=min(sum,DFS(v,len-len1)+abs(w-len1));
        F[u][len]=min(F[u][len]+sum,int(1e9));
    }
    return F[u][len];
}

void Sub2()
{
    int res=1e9;
    for(int i=0;i<=300;i++)
        res=min(res,DFS(1,i));
    cout<<res;
}

int main()
{
    ios_base::sync_with_stdio(false);
    //freopen("FIREWORKS.INP","r",stdin);
    cin>>n>>m;
    int u,w;
    for(int i=2;i<=n+m;i++)
    {
        cin>>u>>w;
        g[u].push_back(ii(i,w));
    }
    if(n==1)
        Sub1();
    else
        Sub2();
}

Compilation message

fireworks.cpp: In function 'void Sub1()':
fireworks.cpp:19:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<g[1].size();i++)
                  ^
fireworks.cpp: In function 'int DFS(int, int)':
fireworks.cpp:27:13: warning: unused variable 'h' [-Wunused-variable]
         int h=0;
             ^
fireworks.cpp:38:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<g[u].size();i++)
                  ^

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	9660 KB	Output is correct
2	Correct	0 ms	9660 KB	Output is correct
3	Correct	3 ms	9660 KB	Output is correct
4	Correct	0 ms	9660 KB	Output is correct
5	Correct	0 ms	9660 KB	Output is correct
6	Correct	3 ms	9660 KB	Output is correct
7	Correct	3 ms	9660 KB	Output is correct
8	Correct	0 ms	9660 KB	Output is correct
9	Correct	3 ms	9660 KB	Output is correct
10	Correct	0 ms	9660 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	9660 KB	Output is correct
2	Correct	6 ms	9660 KB	Output is correct
3	Correct	9 ms	9660 KB	Output is correct
4	Correct	16 ms	9660 KB	Output is correct
5	Correct	23 ms	9660 KB	Output is correct
6	Correct	23 ms	9660 KB	Output is correct
7	Correct	29 ms	9660 KB	Output is correct
8	Correct	26 ms	9660 KB	Output is correct
9	Correct	39 ms	9660 KB	Output is correct
10	Correct	36 ms	9660 KB	Output is correct
11	Correct	39 ms	9660 KB	Output is correct
12	Correct	46 ms	9660 KB	Output is correct
13	Correct	46 ms	9660 KB	Output is correct
14	Correct	49 ms	9660 KB	Output is correct
15	Correct	46 ms	9660 KB	Output is correct
16	Correct	46 ms	9660 KB	Output is correct
17	Correct	59 ms	9660 KB	Output is correct
18	Correct	49 ms	9660 KB	Output is correct
19	Correct	49 ms	9660 KB	Output is correct

Subtask #3
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	9660 KB	Output is correct
2	Correct	0 ms	9660 KB	Output is correct
3	Correct	3 ms	9660 KB	Output is correct
4	Correct	0 ms	9660 KB	Output is correct
5	Correct	0 ms	9660 KB	Output is correct
6	Correct	3 ms	9660 KB	Output is correct
7	Correct	3 ms	9660 KB	Output is correct
8	Correct	0 ms	9660 KB	Output is correct
9	Correct	3 ms	9660 KB	Output is correct
10	Correct	0 ms	9660 KB	Output is correct
11	Correct	6 ms	9660 KB	Output is correct
12	Correct	6 ms	9660 KB	Output is correct
13	Correct	9 ms	9660 KB	Output is correct
14	Correct	16 ms	9660 KB	Output is correct
15	Correct	23 ms	9660 KB	Output is correct
16	Correct	23 ms	9660 KB	Output is correct
17	Correct	29 ms	9660 KB	Output is correct
18	Correct	26 ms	9660 KB	Output is correct
19	Correct	39 ms	9660 KB	Output is correct
20	Correct	36 ms	9660 KB	Output is correct
21	Correct	39 ms	9660 KB	Output is correct
22	Correct	46 ms	9660 KB	Output is correct
23	Correct	46 ms	9660 KB	Output is correct
24	Correct	49 ms	9660 KB	Output is correct
25	Correct	46 ms	9660 KB	Output is correct
26	Correct	46 ms	9660 KB	Output is correct
27	Correct	59 ms	9660 KB	Output is correct
28	Correct	49 ms	9660 KB	Output is correct
29	Correct	49 ms	9660 KB	Output is correct
30	Runtime error	0 ms	9660 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
31	Halted	0 ms	0 KB	-

Subtask #4
0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	9660 KB	Output is correct
2	Correct	0 ms	9660 KB	Output is correct
3	Correct	3 ms	9660 KB	Output is correct
4	Correct	0 ms	9660 KB	Output is correct
5	Correct	0 ms	9660 KB	Output is correct
6	Correct	3 ms	9660 KB	Output is correct
7	Correct	3 ms	9660 KB	Output is correct
8	Correct	0 ms	9660 KB	Output is correct
9	Correct	3 ms	9660 KB	Output is correct
10	Correct	0 ms	9660 KB	Output is correct
11	Correct	6 ms	9660 KB	Output is correct
12	Correct	6 ms	9660 KB	Output is correct
13	Correct	9 ms	9660 KB	Output is correct
14	Correct	16 ms	9660 KB	Output is correct
15	Correct	23 ms	9660 KB	Output is correct
16	Correct	23 ms	9660 KB	Output is correct
17	Correct	29 ms	9660 KB	Output is correct
18	Correct	26 ms	9660 KB	Output is correct
19	Correct	39 ms	9660 KB	Output is correct
20	Correct	36 ms	9660 KB	Output is correct
21	Correct	39 ms	9660 KB	Output is correct
22	Correct	46 ms	9660 KB	Output is correct
23	Correct	46 ms	9660 KB	Output is correct
24	Correct	49 ms	9660 KB	Output is correct
25	Correct	46 ms	9660 KB	Output is correct
26	Correct	46 ms	9660 KB	Output is correct
27	Correct	59 ms	9660 KB	Output is correct
28	Correct	49 ms	9660 KB	Output is correct
29	Correct	49 ms	9660 KB	Output is correct
30	Runtime error	0 ms	9660 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
31	Halted	0 ms	0 KB	-

답안 #32226

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 0 / 29.0

Subtask #4 0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
0 / 29.0

Subtask #4
0 / 45.0