Submission #419441

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
419441	2021-06-07T06:42:16 Z	snasibov05	Crocodile's Underground City (IOI11_crocodile)	C++14	Compilation error	0 ms	0 KB

crocodile

#include "crocodile.h"
#include <vector>

using namespace std;

#define pb push_back
#define pii pair<int, int>
#define f first;
#define s second;
#define oo 1000000000

vector<vector<pii>> ed;
vector<bool> ext;

int ans = oo;

void dfs(int v, int pr, int d){
    vector<int> cur;
    for (auto [x, l] : ed[v]){
        if (x == pr) continue;
        if (ext[x]) cur.pb(d + l);
        else dfs(x, v, d + l);
    }

    if (cur.size() <= 1) return;
    sort(cur.begin(), cur.end());
    ans = min(ans, cur[1]);
}

int travel_plan(int n, int m, int r[][2], int l[], int k, int p[]){

    ed.resize(n);
    ext.resize(n);

    for (int i = 0; i < m; ++i) {
        ed[r[i][0]].pb({r[i][1], l[i]});
        ed[r[i][1]].pb({r[i][0], l[i]});
    }

    for (int i = 0; i < k; ++i) {
        ext[p[i]] = true;
    }

    dfs(0, -1, 0);

    return ans;

}

Compilation message

crocodile.cpp: In function 'void dfs(int, int, int)':
crocodile.cpp:19:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   19 |     for (auto [x, l] : ed[v]){
      |               ^
crocodile.cpp:26:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   26 |     sort(cur.begin(), cur.end());
      |     ^~~~
      |     short