Submission #197447

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
197447	2020-01-21 09:28:59	quocnguyen1012	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	363 ms	34860 KiB

oneway

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#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define Task "ONEWAY"
using namespace std;
typedef long long ll;
const int maxn = 1e5 + 5;
int nTime=0;
vector <int> adj[maxn]; 
int Visited[maxn], Low[maxn], Parent[maxn]; 
int U[maxn], V[maxn];
int N, M, P;
int st[maxn], en[maxn];
bool Bridge[maxn];
bool minimize(int &a, int b){ 
  if (a>b) a=b; 
  else return false; 
  return true; 
}
void visit(int u){
  ///cerr << u << ' ' << Parent[u] << '\n';
    Low[u] = Visited[u] = ++nTime;
 
 
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Compilation message (stderr)

oneway.cpp: In function 'int main()':
oneway.cpp:137:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen (Task".INP", "r", stdin);
   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
oneway.cpp:138:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen (Task".OUT", "w", stdout);
   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40