Submission #310504

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
310504	2020-10-07 07:43:24	jainbot27	Railway (BOI17_railway)	C++17	100 / 100	273 ms	39024 KiB

railway

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#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define pb push_back
#define ar array
#define all(x) x.begin(), x.end()
#define siz(x) (int)x.size()
#define FOR(x, y, z) for(int x = (y); x < (z); x++)
#define ROF(x, z, y) for(int x = (y-1); x >= (z); x--)
#define F0R(x, z) FOR(x, 0, z)
#define R0F(x, z) ROF(x, 0, z)
#define trav(x, y) for(auto&x:y)
using ll = long long;
using vi = vector<int>;
using vl = vector<long long>;
using pii = pair<int, int>;
using vpii = vector<pair<int, int>>;
template<class T> inline bool ckmin(T&a, T b) {return b < a ? a = b, 1 : 0;}
template<class T> inline bool ckmax(T&a, T b) {return b > a ? a = b, 1 : 0;}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const char nl = '\n';
const int mxN = 2e5 + 10;
const int MOD = 1e9 + 7;
const long long infLL = 1e18;
 
 
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Compilation message (stderr)

railway.cpp: In member function 'void LCA::dfs(int, int)':
railway.cpp:41:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   41 |             if(p == v) continue; d[v] = d[u]+1; dfs(v, u);
      |             ^~
railway.cpp:41:34: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   41 |             if(p == v) continue; d[v] = d[u]+1; dfs(v, u);
      |                                  ^

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25