Submission #14253

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
14253	2015-05-07 15:22:57	dohyun0324	Company Planning (TOKI14_company)	C++98	100 / 100	161 ms	13112 KiB

company

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#include<stdio.h>
#include<vector>
#include<algorithm>
using namespace std;
vector<int>con[100010];
int ch[100010],maxi,arr[100010],t,n,m,par[100010],d[100010],num[100010];
void dfs(int x,int k)
{
    int i;
    for(i=0;i<con[x].size();i++){
        dfs(con[x][i],k);
    }
    t=0; d[x]=0;
    for(i=0;i<con[x].size();i++){
        arr[++t]=d[con[x][i]]-num[con[x][i]];
        d[x]+=num[con[x][i]];
    }
    sort(arr+1,arr+t+1);
    for(i=1;i<=min(k,t);i++) d[x]+=arr[i];
}
int pro(int x){
    dfs(1,x);
    return n-d[1];
}
void bsearch()
{
    int st=1,en=n,mid;
    while(st!=en){
        mid=(st+en)/2;
        if(pro(mid)>=m) en=mid;
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 20 / 20
• Subtask 3: 18 / 18
• Subtask 4: 7 / 7
• Subtask 5: 43 / 43