Submission #710353

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
710353	2023-03-15 07:35:56	lam	Duathlon (APIO18_duathlon)	C++14	31 / 100	157 ms	41112 KiB

count_triplets

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#include <bits/stdc++.h>
#define int long long
using namespace std;
const int maxn = 1e5 + 10;
int n,m;
vector <int> adj[maxn],adj2[maxn];
int dp[maxn],dp2[maxn];
stack <int> st;
int l[maxn],t[maxn],cnt2;
int scc, id[maxn], s[maxn];
bool dau[maxn];
vector <int> root;
int ans = 0LL;
void dfs(int x, int p)
{
    dau[x] = 1;
    dp[x] = 0;
    for (int i:adj[x])
        if (i!=p)
    {
        dfs(i,x);
        dp[x] += dp[i]+s[i];
    }
}
void dfs2(int x, int p, int val)
{
    dp2[x] = val;
    val+=s[x];
    vector <int> pre,suf;
 
 
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Compilation message (stderr)

count_triplets.cpp: In function 'void dfs2(long long int, long long int, long long int)':
count_triplets.cpp:37:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for (int i=1; i<pre.size(); i++) pre[i]+=pre[i-1];
      |                   ~^~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 11
• Subtask 3: 8 / 8
• Subtask 4: 10 / 10
• Subtask 5: 13 / 13
• Subtask 6: 0 / 15
• Subtask 7: 0 / 20
• Subtask 8: 0 / 8
• Subtask 9: 0 / 10