248552026-02-16 03:01:53999Városnézéscpp17Wrong answer 20/8035ms2104 KiB
// Source: https://usaco.guide/general/io

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

signed main() {
    int n,m;cin>>n>>m;
    vector<vector<int>> v(n);
    vector<int> lat(n),fok(n),fr(n,-1);
    for(int i = 0;i<n;i++){
        cin>>lat[i];
    }
    for(int i = 0;i<m;i++){
        int a,b;cin>>a>>b;
        a--;b--;
        v[a].push_back(b);
        fok[b]++;
    }
    vector<int> dp(n,INT_MIN),vis(n);
    queue<int> q;
    dp[0]=lat[0];
    vis[0]=1;
    q.push(0);
    for(int i = 1;i<n;i++){
        if(fok[i]==0){
            vis[i]=1;
            q.push(i);
        }
    }
    while(!q.empty()){
        int a=q.front();
        q.pop();
        for(int i : v[a]){
            if(dp[i]<dp[a]+lat[i]){
                dp[i]=dp[a]+lat[i];
                fr[i]=a;
            }
            fok[i]--;
            if(fok[i]==0&&vis[i]==0){
                vis[i]=1;
                q.push(i);
            }
        }
    }
    //for(int i : dp)cout<<i<<' ';return 0;
    if(vis[n-1]==0){
        cout<<-1;
        return 0;
    }
    cout<<dp[n-1]<<endl;
    int i = n-1;
    vector<int> ans;
    while(fr[i]!=-1&&i!=0){
        ans.push_back(i+1);
        i=fr[i];
    }
    ans.push_back(1);
    reverse(ans.begin(),ans.end());
    for(int i : ans)cout<<i<<' ';
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms316 KiB
subtask220/20
2Accepted2ms316 KiB
3Accepted2ms316 KiB
4Accepted1ms316 KiB
5Accepted6ms564 KiB
6Accepted3ms564 KiB
7Accepted8ms1076 KiB
8Accepted8ms1076 KiB
9Accepted1ms372 KiB
10Accepted14ms1588 KiB
11Accepted1ms316 KiB
12Accepted1ms508 KiB
subtask30/25
13Accepted1ms316 KiB
14Accepted1ms316 KiB
15Accepted1ms316 KiB
16Accepted1ms316 KiB
17Accepted1ms508 KiB
18Accepted1ms316 KiB
19Accepted1ms316 KiB
20Wrong answer1ms316 KiB
21Wrong answer1ms512 KiB
22Accepted4ms316 KiB
23Wrong answer2ms316 KiB
24Accepted4ms500 KiB
25Accepted2ms316 KiB
26Wrong answer3ms316 KiB
27Wrong answer4ms508 KiB
28Accepted27ms1076 KiB
29Accepted4ms564 KiB
30Accepted28ms1272 KiB
31Wrong answer17ms1088 KiB
32Wrong answer35ms1340 KiB
33Wrong answer10ms1568 KiB
subtask40/20
34Accepted1ms316 KiB
35Accepted1ms316 KiB
36Accepted1ms316 KiB
37Accepted1ms500 KiB
38Accepted1ms316 KiB
39Accepted1ms316 KiB
40Accepted1ms508 KiB
41Wrong answer1ms316 KiB
42Wrong answer1ms560 KiB
43Wrong answer1ms316 KiB
44Accepted1ms316 KiB
45Wrong answer1ms316 KiB
46Accepted1ms316 KiB
47Accepted2ms324 KiB
48Wrong answer1ms316 KiB
49Wrong answer2ms316 KiB
50Accepted2ms316 KiB
51Accepted2ms508 KiB
52Accepted2ms316 KiB
53Accepted2ms500 KiB
54Accepted1ms316 KiB
55Accepted1ms316 KiB
56Accepted1ms512 KiB
57Accepted1ms316 KiB
58Accepted1ms316 KiB
59Accepted1ms316 KiB
60Accepted1ms316 KiB
61Accepted1ms536 KiB
62Accepted1ms316 KiB
63Accepted1ms508 KiB
64Accepted1ms316 KiB
65Accepted1ms316 KiB
66Accepted1ms316 KiB
subtask50/15
67Accepted1ms316 KiB
68Accepted2ms316 KiB
69Accepted2ms316 KiB
70Accepted1ms316 KiB
71Accepted6ms564 KiB
72Accepted3ms564 KiB
73Accepted8ms1076 KiB
74Accepted8ms1076 KiB
75Accepted1ms372 KiB
76Accepted14ms1588 KiB
77Accepted1ms316 KiB
78Accepted1ms508 KiB
79Accepted1ms316 KiB
80Accepted1ms316 KiB
81Accepted1ms316 KiB
82Accepted1ms316 KiB
83Accepted1ms508 KiB
84Accepted1ms316 KiB
85Accepted1ms316 KiB
86Wrong answer1ms316 KiB
87Wrong answer1ms512 KiB
88Accepted4ms316 KiB
89Wrong answer2ms316 KiB
90Accepted4ms500 KiB
91Accepted2ms316 KiB
92Wrong answer3ms316 KiB
93Wrong answer4ms508 KiB
94Accepted27ms1076 KiB
95Accepted4ms564 KiB
96Accepted28ms1272 KiB
97Wrong answer17ms1088 KiB
98Wrong answer35ms1340 KiB
99Wrong answer10ms1568 KiB
100Accepted1ms316 KiB
101Accepted1ms316 KiB
102Accepted1ms500 KiB
103Accepted1ms316 KiB
104Accepted1ms316 KiB
105Accepted1ms508 KiB
106Wrong answer1ms316 KiB
107Wrong answer1ms560 KiB
108Wrong answer1ms316 KiB
109Accepted1ms316 KiB
110Wrong answer1ms316 KiB
111Accepted1ms316 KiB
112Accepted2ms324 KiB
113Wrong answer1ms316 KiB
114Wrong answer2ms316 KiB
115Accepted2ms316 KiB
116Accepted2ms508 KiB
117Accepted2ms316 KiB
118Accepted2ms500 KiB
119Accepted1ms316 KiB
120Accepted1ms316 KiB
121Accepted1ms512 KiB
122Accepted1ms316 KiB
123Accepted1ms316 KiB
124Accepted1ms316 KiB
125Accepted1ms316 KiB
126Accepted1ms536 KiB
127Accepted1ms316 KiB
128Accepted1ms508 KiB
129Accepted1ms316 KiB
130Accepted1ms316 KiB
131Accepted1ms316 KiB
132Accepted4ms316 KiB
133Wrong answer2ms508 KiB
134Accepted4ms316 KiB
135Accepted2ms500 KiB
136Accepted3ms316 KiB
137Wrong answer3ms540 KiB
138Accepted4ms316 KiB
139Wrong answer3ms316 KiB
140Accepted6ms788 KiB
141Accepted3ms564 KiB
142Accepted9ms912 KiB
143Accepted9ms1076 KiB
144Accepted13ms1208 KiB
145Accepted8ms1076 KiB
146Accepted21ms2104 KiB
147Accepted17ms1784 KiB
148Accepted17ms1332 KiB
149Accepted10ms864 KiB