Submission #998712

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
998712	2024-06-14 14:41:54	bachhoangxuan	Salesman (IOI09_salesman)	C++17	100 / 100	217 ms	47456 KiB

salesman

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#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define fi first
#define se second
const int maxn = 5e5+5;
const int inf = 1e18;
int N,D,U,S,T,M;
vector<pii> F[maxn];
struct BIT{
    int bit[maxn];
    BIT(){}
    void init(){
        for(int i=1;i<=M;i++) bit[i]=-inf;
    }
    void update(int x,int val){
        for(int i=x;i<=M;i+=(i&(-i))) bit[i]=max(bit[i],val);
    }
    int query(int x){
        int res=-inf;
        for(int i=x;i>=1;i-=(i&(-i))) res=max(res,bit[i]);
        return res;
    }
}lt,rt;
int d[maxn],mx[maxn];
signed main(){
    ios_base::sync_with_stdio(false);
 
 
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• Subtask 1: 100 / 100