Submission #768912

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
768912	2023-06-28 21:25:47	raysh07	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	172 ms	124448 KiB

skyscraper

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18
#define f first
#define s second
mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());
void Solve() 
{
    int n, m; cin >> n >> m;
    
    vector <pair<int, int>> a(m);
    set <int> st[n];
    int target;
    vector <int> d(n, INF);
    priority_queue <pair<int, int>> pq;
    for (int i = 0; i < m; i++){
        cin >> a[i].f >> a[i].s;
        
        if (i == 0) {
            d[a[i].f] = 0;
            pq.push({0, a[i].f});
        }
        if (i != 1) st[a[i].f].insert(a[i].s);
        else target = a[i].f;
    }
    
    vector<vector<pair<int, int>>> adj(n);
 
 
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Compilation message (stderr)

skyscraper.cpp: In function 'void Solve()':
skyscraper.cpp:67:17: warning: 'target' may be used uninitialized in this function [-Wmaybe-uninitialized]
   67 |     if (d[target] == INF) cout << -1 << "\n";
      |                 ^

• Subtask 1: 10 / 10
• Subtask 2: 12 / 12
• Subtask 3: 14 / 14
• Subtask 4: 21 / 21
• Subtask 5: 43 / 43