Submission #805409

# Submission time Handle Problem Language Result Execution time Memory
805409 2023-08-03T16:28:53 Z Theo830 Cyberland (APIO23_cyberland) C++17
Compilation error
0 ms 0 KB
    #include "cyberland.h"
    #include <bits/stdc++.h>
    using namespace std;
    #define f(i,a,b) for(int i = a;i < b;i++)
    #define ll int
    #define ii pair<ll,ll>
    #define id pair<double,ii>
    #define F first
    #define S second
    #define pb push_back
    priority_queue<id>pq;
    bool v[100005] = {0};
    double dist[100005][70];
    vector<vector<ii> >adj;
    ll H;
    void dfs(ll idx){
        v[idx] = 1;
        for(auto x:adj[idx]){
            if(!v[x.F] && x.F != H){
                dfs(x.F);
            }
        }
    }
    double solve(int n, int m, int k, int h, std::vector<int> x, std::vector<int> y, std::vector<int> c, std::vector<int> arr) {
        double ans;
        H = h;
      	k = min(k,69);
        adj.assign(n+5,vector<ii>());
        f(i,0,n){
            v[i] = 0;
            f(j,0,k+1){
                dist[i][j] = 1e18;
            }
        }
        f(i,0,m){
            adj[x[i]].pb(ii(y[i],c[i]));
            adj[y[i]].pb(ii(x[i],c[i]));
        }
        dfs(0);
        f(i,0,n){
            if((arr[i] == 0 && v[i]) || i == 0){
                pq.push(id(0,ii(i,0));
                dist[i][0] = 0;
            }
        }
        ans = 1e18;
        while(!pq.empty()){
            id f = pq.top();
            pq.pop();
            double w = -f.F;
            ll u = f.S.F;
            ll ek = f.S.S;
            if(dist[u][ek] < w){
                continue;
            }
            if(arr[u] == 2 && ek+1 <= k){
                for(auto x:adj[u]){
                    if(x.F == h){
                        ans = min(ans,dist[u][ek]/(double)2 + (double)x.S);
                    }
                    else if(dist[x.F][ek+1] > dist[u][ek]/(double)2 + (double)x.S){
                        dist[x.F][ek+1] = dist[u][ek]/(double)2 + (double)x.S;
                        pq.push(id(-dist[x.F][ek+1],ii(x.F,ek+1)));
                    }
                }
            }
            for(auto x:adj[u]){
                if(x.F == h){
                    ans = min(ans,dist[u][ek] + x.S);
                }
                else if(dist[x.F][ek] > dist[u][ek] + x.S){
                    dist[x.F][ek] = dist[u][ek] + x.S;
                    pq.push(id(-dist[x.F][ek],ii(x.F,ek)));
                }
            }
        }
        if(ans == 1e18){
            ans = -1;
        }
        return ans;
    }

Compilation message

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:42:38: error: expected ')' before ';' token
   42 |                 pq.push(id(0,ii(i,0));
      |                        ~             ^
      |                                      )