Submission #453049

#	Time	Username	Problem	Language	Result	Execution time	Memory
453049		jurgis	Fire drill (LMIO18_sauga)	C++14	0 / 100	1086 ms	5492 KiB

sauga

#include <iostream>
#include <bits/stdc++.h>

using namespace std;
typedef  pair<int, int> pii;
int n, t, s;
int laipsniai[1001];
vector<int> adj[1001];
vector<int> result;

int isnaudotapak = 0;
const int inf = 1e8;
void toposort(){
    pii order[n];
    queue<pii> q;
    for(int i=1; i<=n; i++){
        order[i-1]= {laipsniai[i], i};
        //cout << " i = " << i << " laipsniai = " << laipsniai[i] << endl;
    }
    sort(order, order+n);
    q.push(order[0]);  order[0].first = inf; // cout<<laipsniai[1]<<endl;
    while(!q.empty()){
        int v = q.front().second; int laip = q.front().first;  q.pop();
        result.push_back(v);
        for(auto u :adj[v]){
            laipsniai[u]--;
            for(int i =0; i<n; i++){if(order[i].second ==u){order[i].first--;}}
            sort(order, order+n);
                if(result.size()<n){q.push(order[0]);order[0].first = inf; }

        }



    }
}
int main()
{
    cin>>t>>n>>s;

    for(int i=0; i<n; i++){

        int num; cin>>num;
        laipsniai[i+1] = num;
        for(int a=0; a<num; a++){
            int u; cin>>u; adj[u].push_back(i+1);
        }
    }
    toposort();
    for(auto i: result){
        cout<<i<<"\n";
    }
}
/* test case
0 4 1
2 2 3
0
 1 4
 1 1*/

Compilation message (stderr)

sauga.cpp: In function 'void toposort()':
sauga.cpp:29:33: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |                 if(result.size()<n){q.push(order[0]);order[0].first = inf; }
      |                    ~~~~~~~~~~~~~^~
sauga.cpp:23:39: warning: unused variable 'laip' [-Wunused-variable]
   23 |         int v = q.front().second; int laip = q.front().first;  q.pop();
      |                                       ^~~~

• Subtask 1: 0 / 100