248472026-02-16 02:22:57999Városnézéscpp17Wrong answer 0/8037ms2980 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),g(n);
    vector<int> lat(n),fok(n);
    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);
        g[b].push_back(a);
        fok[a]++;
    }
    vector<int> dp(n);
    queue<int> q;
    for(int i = 0;i<n;i++){
        if(fok[i]==0&&i!=n-1){
            q.push(i);
            dp[i]=INT_MIN;
        }
        else if(fok[i]==0&&i==n-1){
            q.push(i);
        }
    }
    while(!q.empty()){
        int a=q.front();
        q.pop();
        if(dp[a]!=INT_MIN)for(int u:v[a])dp[a]=max(dp[a],dp[u]);
        if(dp[a]!=INT_MIN)dp[a]+=lat[a];
        for(int u : g[a]){
            fok[u]--;
            if(fok[u]==0){
                q.push(u);
            }
        }
    }
    cout<<dp[0]<<endl; return 0;
    int i = 0;
    vector<int> ans;
    while(1){
        ans.push_back(i+1);
        if(i==n-1)break;
        for(int u : v[i]){
            if(dp[u]+lat[i]==dp[i]){
                i=u;
                break;
            }
        }
    }
    for(int i : ans)cout<<i<<' ';
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Wrong answer1ms316 KiB
subtask20/20
2Wrong answer2ms316 KiB
3Wrong answer2ms552 KiB
4Wrong answer2ms316 KiB
5Wrong answer6ms820 KiB
6Wrong answer3ms564 KiB
7Wrong answer8ms1352 KiB
8Wrong answer8ms1408 KiB
9Wrong answer1ms316 KiB
10Wrong answer16ms2092 KiB
11Wrong answer1ms316 KiB
12Wrong answer1ms500 KiB
subtask30/25
13Wrong answer1ms316 KiB
14Wrong answer1ms508 KiB
15Wrong answer1ms316 KiB
16Wrong answer1ms500 KiB
17Wrong answer1ms316 KiB
18Wrong answer1ms604 KiB
19Wrong answer1ms316 KiB
20Wrong answer1ms392 KiB
21Wrong answer1ms388 KiB
22Wrong answer4ms564 KiB
23Wrong answer2ms520 KiB
24Wrong answer4ms316 KiB
25Wrong answer3ms636 KiB
26Wrong answer3ms564 KiB
27Wrong answer4ms564 KiB
28Wrong answer28ms1632 KiB
29Wrong answer6ms564 KiB
30Wrong answer30ms1848 KiB
31Wrong answer17ms1660 KiB
32Wrong answer37ms2868 KiB
33Wrong answer10ms2108 KiB
subtask40/20
34Wrong answer1ms316 KiB
35Wrong answer1ms508 KiB
36Wrong answer1ms316 KiB
37Wrong answer1ms316 KiB
38Wrong answer1ms544 KiB
39Wrong answer1ms316 KiB
40Wrong answer1ms508 KiB
41Wrong answer1ms564 KiB
42Wrong answer1ms316 KiB
43Wrong answer1ms316 KiB
44Wrong answer1ms316 KiB
45Wrong answer1ms316 KiB
46Wrong answer1ms316 KiB
47Wrong answer1ms316 KiB
48Wrong answer1ms500 KiB
49Wrong answer1ms316 KiB
50Wrong answer1ms332 KiB
51Wrong answer1ms316 KiB
52Wrong answer1ms316 KiB
53Wrong answer1ms316 KiB
54Wrong answer1ms316 KiB
55Wrong answer1ms500 KiB
56Wrong answer1ms380 KiB
57Wrong answer1ms316 KiB
58Wrong answer1ms316 KiB
59Wrong answer1ms316 KiB
60Wrong answer1ms316 KiB
61Wrong answer1ms316 KiB
62Wrong answer1ms316 KiB
63Wrong answer2ms316 KiB
64Wrong answer1ms500 KiB
65Wrong answer1ms316 KiB
66Wrong answer1ms316 KiB
subtask50/15
67Wrong answer1ms316 KiB
68Wrong answer2ms316 KiB
69Wrong answer2ms552 KiB
70Wrong answer2ms316 KiB
71Wrong answer6ms820 KiB
72Wrong answer3ms564 KiB
73Wrong answer8ms1352 KiB
74Wrong answer8ms1408 KiB
75Wrong answer1ms316 KiB
76Wrong answer16ms2092 KiB
77Wrong answer1ms316 KiB
78Wrong answer1ms500 KiB
79Wrong answer1ms316 KiB
80Wrong answer1ms508 KiB
81Wrong answer1ms316 KiB
82Wrong answer1ms500 KiB
83Wrong answer1ms316 KiB
84Wrong answer1ms604 KiB
85Wrong answer1ms316 KiB
86Wrong answer1ms392 KiB
87Wrong answer1ms388 KiB
88Wrong answer4ms564 KiB
89Wrong answer2ms520 KiB
90Wrong answer4ms316 KiB
91Wrong answer3ms636 KiB
92Wrong answer3ms564 KiB
93Wrong answer4ms564 KiB
94Wrong answer28ms1632 KiB
95Wrong answer6ms564 KiB
96Wrong answer30ms1848 KiB
97Wrong answer17ms1660 KiB
98Wrong answer37ms2868 KiB
99Wrong answer10ms2108 KiB
100Wrong answer1ms508 KiB
101Wrong answer1ms316 KiB
102Wrong answer1ms316 KiB
103Wrong answer1ms544 KiB
104Wrong answer1ms316 KiB
105Wrong answer1ms508 KiB
106Wrong answer1ms564 KiB
107Wrong answer1ms316 KiB
108Wrong answer1ms316 KiB
109Wrong answer1ms316 KiB
110Wrong answer1ms316 KiB
111Wrong answer1ms316 KiB
112Wrong answer1ms316 KiB
113Wrong answer1ms500 KiB
114Wrong answer1ms316 KiB
115Wrong answer1ms332 KiB
116Wrong answer1ms316 KiB
117Wrong answer1ms316 KiB
118Wrong answer1ms316 KiB
119Wrong answer1ms316 KiB
120Wrong answer1ms500 KiB
121Wrong answer1ms380 KiB
122Wrong answer1ms316 KiB
123Wrong answer1ms316 KiB
124Wrong answer1ms316 KiB
125Wrong answer1ms316 KiB
126Wrong answer1ms316 KiB
127Wrong answer1ms316 KiB
128Wrong answer2ms316 KiB
129Wrong answer1ms500 KiB
130Wrong answer1ms316 KiB
131Wrong answer1ms316 KiB
132Wrong answer4ms564 KiB
133Wrong answer2ms564 KiB
134Wrong answer4ms564 KiB
135Wrong answer2ms316 KiB
136Wrong answer3ms548 KiB
137Wrong answer2ms316 KiB
138Wrong answer3ms316 KiB
139Wrong answer3ms564 KiB
140Wrong answer7ms820 KiB
141Wrong answer4ms564 KiB
142Wrong answer10ms1332 KiB
143Wrong answer10ms1536 KiB
144Wrong answer14ms1964 KiB
145Wrong answer8ms1336 KiB
146Wrong answer25ms2980 KiB
147Wrong answer18ms2356 KiB
148Wrong answer17ms1776 KiB
149Wrong answer12ms928 KiB