Submission #169251

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
169251	2019-12-19 09:33:35	arnold518	Paths (BOI18_paths)	C++14	100 / 100	1871 ms	704472 KiB

paths

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 3e5;
const int MAXK = 5;
int N, M, K, KK, A[MAXN+10];
vector<int> adj[MAXN+10], adj2[MAXN*40+10], revadj2[MAXN*40+10];
ll dp[MAXN*40+10], ans;
vector<int> S;
bool vis[MAXN*40+10];
void dfs(int now)
{
    vis[now]=true;
    for(int nxt : adj2[now])
    {
        if(vis[nxt]) continue;
        dfs(nxt);
    }
    S.push_back(now);
}
int main()
{
    int i, j, k;
 
 
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Compilation message (stderr)

paths.cpp: In function 'int main()':
paths.cpp:30:15: warning: unused variable 'k' [-Wunused-variable]
     int i, j, k;
               ^
paths.cpp:32:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &N, &M, &K); KK=(1<<K);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
paths.cpp:33:43: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=N; i++) scanf("%d", &A[i]), A[i]--;
                         ~~~~~~~~~~~~~~~~~~^~~~~~~~
paths.cpp:37:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &u, &v);
         ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 23 / 23
• Subtask 2: 20 / 20
• Subtask 3: 27 / 27
• Subtask 4: 30 / 30