Submission #411681

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
411681	2021-05-25 17:55:57	Dormi	Travelling Merchant (CCO21_day2problem1)	C++14	9 / 25	2047 ms	32224 KiB

Main

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#include <bits/stdc++.h>
#pragma GCC optimize "Ofast"
#pragma GCC optimize "unroll-loops"
#pragma GCC target "sse,sse2,sse3,sse4,abm,avx2,mmx,popcnt"
using namespace std;
using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
template <typename T>
int sz(const T &a){return int(a.size());}
const int MN=2e5+1;
vector<pair<int,pll>> adj[MN];
bool gone[MN];
ll tried[MN];
ll work[MN];
bool dfs(int loc, ll am){
    if(am<=tried[loc])return false;
    if(am>=work[loc])return true;
    gone[loc]=true;
    for(auto x:adj[loc]){
        if(x.second.first<=am){
            if(gone[x.first]){
                gone[loc]=false;
                work[loc]=am;
                return true;
            }
            if(dfs(x.first,am+x.second.second)){
                gone[loc]=false;
                work[loc]=am;
                return true;
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 0 / 16