Submission #639508

# Submission time Handle Problem Language Result Execution time Memory
639508 2022-09-10T09:45:35 Z Cookie Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
449 ms 44944 KB
#include<bits/stdc++.h>
 
using namespace std;
#include<fstream>
 
#define ll long long
#define vt vector
#define pb push_back
#define fi first
#define se second
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
typedef unsigned long long ull;
 
#define pii pair<int, int>
const ll mod = 1e9 + 7;

#include<fstream>
ifstream fin("timeline.in");
ofstream fout("timeline.out");
 
const int mxn = 1e5;
const int inf = 1e9 + 3;
vt<pii>adj[mxn + 1];
pii d[mxn + 1]; // best and second best
struct ch{
    int u, d;
};
struct cmp{
    bool operator()(ch a, ch b){
        return(a.d > b.d);
    }
};
int n, m, k;
int r[10][2], l[10], p[10];
int travel_plan(int n, int m, int r[][2], int l[], int k, int p[]){
    for(int i = 0; i < n; i++){
        d[i].fi = d[i].se = inf;
    }
    for(int i = 0; i < m; i++){
        int u = r[i][0], v = r[i][1], w = l[i];
        adj[u].pb({v, w}); adj[v].pb({u, w});
    }
    priority_queue<ch, vt<ch>, cmp>pq; 
    for(int i = 0; i < k; i++){
        d[p[i]].fi = d[p[i]].se = 0;
        pq.push({p[i], 0});
    }
    while(!pq.empty()){
        ch nw = pq.top(); pq.pop();
        
        int u = nw.u, dd = nw.d;
        if(u == 0){
            return(dd);
        }
        if(d[u].se != dd)continue;
        for(auto i: adj[u]){
            int v = i.fi, w = i.se;
            if(dd + w < d[v].se){
                d[v].se = dd + w;
                if(d[v].fi > d[v].se)swap(d[v].fi, d[v].se);
                if(d[v].se != inf){
                    pq.push({v, d[v].se});
                }
            }
        }
    }
    assert(false);
    return(69);
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 3 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 3 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 3 ms 2900 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2772 KB Output is correct
12 Correct 4 ms 3028 KB Output is correct
13 Correct 4 ms 3028 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 3 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 3 ms 2900 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2772 KB Output is correct
12 Correct 4 ms 3028 KB Output is correct
13 Correct 4 ms 3028 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 342 ms 41044 KB Output is correct
17 Correct 60 ms 10488 KB Output is correct
18 Correct 89 ms 11812 KB Output is correct
19 Correct 449 ms 44944 KB Output is correct
20 Correct 258 ms 36684 KB Output is correct
21 Correct 32 ms 6252 KB Output is correct
22 Incorrect 253 ms 31812 KB Output isn't correct
23 Halted 0 ms 0 KB -