Submission #217528

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
217528	2020-03-30 07:05:58	BThero	Capital City (JOI20_capital_city)	C++17	100 / 100	350 ms	56304 KiB

capital_city

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// chrono::system_clock::now().time_since_epoch().count()
#include<bits/stdc++.h>
//#include<ext/pb_ds/tree_policy.hpp>
//#include<ext/pb_ds/assoc_container.hpp>
#define __DBG 1
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define debug(x) if (__DBG) cerr << #x << " = " << x << endl;
using namespace std;
//using namespace __gnu_pbds;
//template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
typedef pair<int, int> pii;
const int MAXN = (int)2e5 + 5;
const int K = 18;
vector<int> adj[MAXN], adj2[MAXN], adj3[MAXN], ord;
int tin[MAXN], tout[MAXN], timer;
int par[MAXN][K];
pii e[MAXN];
int n, m, nn;
 
 
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Compilation message (stderr)

capital_city.cpp: In function 'void solve()':
capital_city.cpp:106:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
capital_city.cpp:110:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &u, &v);
   ~~~~~^~~~~~~~~~~~~~~~~
capital_city.cpp:117:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &col[i]);
   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 59 / 59