Submission #121022

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
121022	2019-06-26 03:11:42	tinder	Telegraph (JOI16_telegraph)	C++14	100 / 100	158 ms	15100 KiB

telegraph

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#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 5;
using ll = long long;
int n, a[maxn];
ll c[maxn];
vector<int> g[maxn];
ll tot = 0;
vector<vector<int>> cycs;
int onstk[maxn], vis[maxn];
ll mx1[maxn], mx2[maxn];
void insert(int i, ll val) {
  mx2[i] = max(mx2[i], val);
  if(mx2[i] > mx1[i]) swap(mx1[i], mx2[i]);
}
int dfs(int u) {
  onstk[u] = 1;
  vis[u] = 1;
  for(int v : g[u]) {
    if(onstk[v]) {
      cycs.back().push_back(u);
      return 1;
    } else if(!vis[v]) {
      int ret = dfs(v);
      if(ret) return cycs.back().emplace_back(u), 1;
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

telegraph.cpp: In function 'int main(int, const char**)':
telegraph.cpp:63:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(cycs[0].size() == n) ans = 0;
     ~~~~~~~~~~~~~~~^~~~

• Subtask 1: 10 / 10
• Subtask 2: 30 / 30
• Subtask 3: 30 / 30
• Subtask 4: 30 / 30