Submission #612570

#	Time	Username	Problem	Language	Result	Execution time	Memory
612570		MohamedAliSaidane	Toy Train (IOI17_train)	C++14	Compilation error	0 ms	0 KiB

train

#include <bits/stdc++.h>
//#include "train.h"
    using namespace std;

    typedef long long ll;
    typedef double ld;
    typedef pair<int,int> pii;
    typedef pair<ll,ll> pll;

    typedef vector<int> vi;
    typedef vector<ll> vll;
    typedef vector<pii> vpi;
    typedef vector<pll> vpl;

    #define pb push_back
    #define popb pop_back
    #define all(x) (x).begin(),(x).end()

    #define ff first
    #define ss second

    const int nax = 5004;
    const int MOD = 1e9 + 7;
    int  n, m;
    vi adj[nax];
    int vis[nax];
    int A[nax], C[nax];
    int dfs(int x, int dep )
    {

        if(dep == 0)
            return 0;
        if(C[x] == 1)
            dep = n;
        vis[x] = 1;
        int ans = -1;
        for(auto e: adj[x])
        {
            int rep;
            if(vis[e])
                rep = e == x? C[x]: 1;
            else
                rep = dfs(e, dep - 1);
            if(ans == -1)
                ans = rep;
            else
            {
                if(A[x])
                    if(rep == 1)
                        ans = 1;

                if(!A[x])
                    if(rep == 0)
                        ans = 0;
            }
        }
        vis[x] = 0 ;
        return ans;
    }
    vi who_wins(vi a, vi r, vi u, vi v)
    {
        n = a.size();
        m = u.size();
        for(int i = 0 ; i < n; i++)
        {
            A[i] = a[i];
            C[i ] = r[i];
        }
        for(int i = 0 ; i  < m; i ++)
        {
            adj[u[i]].pb(v[i]);
        }
        vi ans(n, 0);
        for(int i = 0 ; i < n; i ++)
        {
            ans[i] = dfs(i, n);
        }

Compilation message (stderr)

train.cpp: In function 'vi who_wins(vi, vi, vi, vi)':
train.cpp:77:9: error: expected '}' at end of input
   77 |         }
      |         ^
train.cpp:61:5: note: to match this '{'
   61 |     {
      |     ^
train.cpp:77:9: warning: no return statement in function returning non-void [-Wreturn-type]
   77 |         }
      |         ^