Submission #253779

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
253779	2020-07-28 16:43:31	test2	Railway (BOI17_railway)	C++14	100 / 100	494 ms	57068 KiB

railway

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#include <bits/stdc++.h>
using namespace std;
const int N = (1 << 18);
int n, m, k;
int st[N], en[N];
vector<int> deps[N], ans;
int t = 3, r, r2;
int L[N], R[N];
vector<pair<int, int>> adj[N];
int er[N];
vector<pair<pair<int, int>, int>> eve, eve2;
int an1[N], an2[N];
int bit[N][2];
void add(int x, int idx = 0, int val = 1)
{
        for (; x < N; x += x & -x)
                bit[x][idx] += val;
}
int get(int x, int idx = 0, int val = 1)
{
        int ret = 0;
        for (; x; x -= x & -x)
                ret += bit[x][idx];
        return ret;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

railway.cpp: In function 'void dfs0(int, int)':
railway.cpp:120:21: warning: unused variable 'cnt' [-Wunused-variable]
                 int cnt = m;
                     ^~~

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