Submission #1010979

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1010979	2024-06-29 16:11:44	voi	One-Way Streets (CEOI17_oneway)	C++17	0 / 100	3017 ms	11612 KiB

oneway

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#include <bits/stdc++.h>
#define all(s) s.begin(), s.end()
#define lb(s, a) lower_bound(all(s), (a)) - s.begin()
#define ii pair <int, int>
#define fi first
#define se second
using namespace std;
typedef long long ll;
const int ar = 2e5+2;
const ll mod = 1e9+7;
const int oo = 1e9;
int n, m;
int timeDfs = 0, scc = 0;
int low[ar], num[ar];
int id[ar];
bool deleted[ar];
int tplt[ar];
struct set3 {
    int v, i, t;
};
vector <set3> g[ar], adj[ar];
stack <int> st;
void dfs(int u, int p) {
    num[u] = low[u] = ++timeDfs;
    st.push(u);
 
 
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Compilation message (stderr)

oneway.cpp: In function 'int main()':
oneway.cpp:105:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  105 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
oneway.cpp:106:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  106 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40