Submission #563696

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
563696	2022-05-18 02:38:49	hohohaha	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	217 ms	46312 KiB

oneway

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#include<bits/stdc++.h>
using namespace std;
#define fori(i, l, r) for(int i = (int) (l); i <= (int) (r); i++) 
#define ford(i, r, l) for(int i = (int) (r); i >= (int) (l); i--) 
#define ii pair<int, int> 
#define fi first
#define se second
#define vi vector<int> 
#define eb emplace_back
#define em emplace
#define sp ' '
#define endl '\n'
//#define int long long
#define ld long double
const int maxn = 2e5 + 5; 
int n, m;
vector<pair<int, ii> > g[maxn]; ii E[maxn]; 
int tin[maxn]; 
int tinpt; 
int low[maxn]; 
bool bridge[maxn];
stack<int> st; 
int cc[maxn]; 
int q; 
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

oneway.cpp: In function 'void dfs_prep(int, int)':
oneway.cpp:49:31: warning: unused variable 'dir' [-Wunused-variable]
   49 |   int v = e.fi, id = e.se.fi, dir = e.se.se;
      |                               ^~~
oneway.cpp: In function 'int main()':
oneway.cpp:152:77: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
  152 |     if(par[i][0] != i and dir[i][0]) ans[parid[i]] = (pardir[i] ^ dir[i][0] - 1) + 1;
      |                                                                   ~~~~~~~~~~^~~

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