Submission #540234

#	Time	Username	Problem	Language	Result	Execution time	Memory
540234		Leo121	Tropical Garden (IOI11_garden)	C++14	Compilation error	0 ms	0 KiB

garden

#include <bits/stdc++.h>
#include "grader.cpp"
#define forn(i, a, b) for(int i = int(a); i <= int(b); ++ i)
#define pb push_back
using namespace std;
typedef vector<int> vi;
const int lim = 15e4;
vi graph[lim + 2];
int res = 0;
int limite, objetivo;
void dfs(int padre, int u, int paso){
    if(paso == limite){
        if(objetivo == u){
            res ++;
        }
        return;
    }
    if((int) graph[u].size() == 1){
        dfs(u, graph[u][0], paso + 1);
        return;
    }
    for(int &v : graph[u]){
        if(v != padre){
            dfs(u, v, paso + 1);
            return;
        }
    }
}
void count_routes(int N, int M, int P, int R[][2], int Q, int G[]) {
    forn(i, 0, M - 1){
        if((int) graph[R[i][0]].size() < 2){
            graph[R[i][0]].pb(R[i][1]);
        }
        if((int) graph[R[i][1]].size() < 2){
            graph[R[i][1]].pb(R[i][0]);
        }
    }
    objetivo = P;
    limite = G[0];
    forn(i, 0, N - 1){
        dfs(i, i, 0);
    }
    answer(res);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccvLGVPW.o: in function `read_input()':
grader.cpp:(.text+0x0): multiple definition of `read_input()'; /tmp/ccN9ZKzX.o:garden.cpp:(.text+0x50): first defined here
/usr/bin/ld: /tmp/ccvLGVPW.o: in function `answer(int)':
grader.cpp:(.text+0x130): multiple definition of `answer(int)'; /tmp/ccN9ZKzX.o:garden.cpp:(.text+0x180): first defined here
/usr/bin/ld: /tmp/ccvLGVPW.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccN9ZKzX.o:garden.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status