Submission #230711

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
230711	2020-05-11 09:41:32	islingr	Dreaming (IOI13_dreaming)	C++14	Compilation error	0 ms	0 KiB

dreaming

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#include <iostream>
#include <tuple>
#include <vector>
using namespace std;
#define rep(i, a, b) for (auto i = (a); i < (b); ++i)
#define trav(x, v) for (auto &x : v)
#define eb(x...) emplace_back(x)
using pii = pair<int, int>;
template<class T> bool ckmin(T& a, T b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, T b) { return a < b ? a = b, 1 : 0; }
constexpr int N = 1 << 17;
vector<pii> g[N];
int d[N], p[N], a, c[N], e[N];
bool vis[N];
void dfs(int u, int p = -1) {
  if (d[u] > d[a]) a = u;
  ::p[u] = p;
  vis[u] = true;
  trav(e, g[u]) {
    int v, w; tie(v, w) = e;
    if (v == p) continue;
    d[v] = d[u] + w;
    dfs(v, u);
  }
 
 
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Compilation message (stderr)

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:38:6: warning: unused variable 'one' [-Wunused-variable]
  int one = 0, two = 0, cmp = 0;
      ^~~
dreaming.cpp:38:15: warning: unused variable 'two' [-Wunused-variable]
  int one = 0, two = 0, cmp = 0;
               ^~~
/tmp/cccnPW8O.o: In function `main':
dreaming.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccA9Koj9.o:grader.c:(.text.startup+0x0): first defined here
/tmp/ccA9Koj9.o: In function `main':
grader.c:(.text.startup+0xa2): undefined reference to `travelTime'
collect2: error: ld returned 1 exit status