Submission #1271998

#	Time	Username	Problem	Language	Result	Execution time	Memory
1271998		pvb.tunglam	Jakarta Skyscrapers (APIO15_skyscraper)	C++20	Compilation error	0 ms	0 KiB

skyscraper

#include <bits/stdc++.h>
#define hash _hash_
#define left _left_
#define y1 _y1_

using namespace std;
using ll = long long;
const ll oo = 1e18;

/*----------- I alone decide my fate! ----------*/
   /* Chiec den ong sao, sao 5 canh tuoi mau */

int N, M;
int B[30009], P[30009];
vector<pair<int,int>> adj[30009];
ll dista[30009];

void Dijkstra() {
    for (int i = 0; i < M; i++) dista[i] = oo;
    priority_queue<pair<ll,int>, vector<pair<ll,int>>, greater<pair<ll,int>>> pq;

    dista[0] = 0;
    pq.push({0, 0});

    while (!pq.empty()) {
        auto [cost, u] = pq.top();
        pq.pop();
        if (cost != dista[u]) continue;
        if (u == 1) {
            cout << cost;
            return;
        }
        for (auto [v, w] : adj[u]) {
            if (dista[v] > cost + w) {
                dista[v] = cost + w;
                pq.push({dista[v], v});
            }
        }
    }
    cout << -1;
}

vector <int> buckets[30009];
void solve() {
    cin >> N >> M;
    for (int i = 0; i < M; i++) {
        cin >> B[i] >> P[i];
        buckets[P[i]].push_back(i);
    }
    
	for (auto &bucket : buckets[p]) {
	    sort(bucket.begin(), bucket.end());
	    for (int k = 0; k+1 < bucket.size(); k++) {
	        int u = id[bucket[k]];
	        int v = id[bucket[k+1]];
	        int w = (bucket[k+1] - bucket[k]) / p;
	        adj[u].push_back({v, w});
	        adj[v].push_back({u, w});
	    }
	}

    Dijkstra();
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);
    solve();
    return 0;
}

/*
  How can you see into my eyes, like open doors?
  Leading you down into my core, where I've become so numb
  Without a soul, my spirit's sleeping somewhere cold
  Until you find it here and bring it back home!
  Wake me up! Wake me up inside
  Cant wake up? Wake me up inside
*/

Compilation message (stderr)

skyscraper.cpp: In function 'void solve()':
skyscraper.cpp:51:37: error: 'p' was not declared in this scope
   51 |         for (auto &bucket : buckets[p]) {
      |                                     ^
skyscraper.cpp:54:25: error: 'id' was not declared in this scope
   54 |                 int u = id[bucket[k]];
      |                         ^~