Submission #764918

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
764918	2023-06-24 06:32:10	vjudge1	Roadside Advertisements (NOI17_roadsideadverts)	C++17	0 / 100	2 ms	980 KiB

roadsideadverts

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#include <bits/stdc++.h>
#define ibase ios::sync_with_stdio(false); cin.tie(0);  cout.tie(0)
#define pb push_back
#define ff first
#define int long long
#define ss second
using namespace std;
const int N = 1e3 + 3;
const int MOD = 1e9 + 7;
int a[N], ans[N], pos[N], cnt = 1;
vector < pair < int, int > > g[N];
void dfs(int v){
    cnt++;
    for(auto to : g[v]){
        a[cnt] = to.ss;
        pos[to.ff] = cnt;
        dfs(to.ff);
    }
}
void solve(){
    int n, sum = 0;
    cin >> n;
    set < int > s;
    for(int i=1; i<n; i++){
        int x, y, cost;
        cin >> x >> y >> cost;
        s.insert(x);
        s.insert(y);
        sum += cost;
        g[x].pb(make_pair(y, cost));
 
 
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Compilation message (stderr)

roadsideadverts.cpp: In function 'void solve()':
roadsideadverts.cpp:47:8: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized]
   47 |     dfs(z);
      |     ~~~^~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 23
• Subtask 3: 0 / 40
• Subtask 4: 0 / 30