Submission #1128281

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1128281	2024-12-20 14:02:35	hainam2k9	Election Campaign (JOI15_election_campaign)	C++20	0 / 100	1095 ms	23592 KiB

election_campaign

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#include <bits/stdc++.h>
#define tt cin.tie(0), cout.tie(0), ios_base::sync_with_stdio(0)
#define fo freopen((NAME+".INP").c_str(), "r", stdin), freopen((NAME+".OUT").c_str(), "w", stdout)
#define ll long long
#define ull unsigned long long
#define i128 __int128
#define db long double
#define sz(a) ((int)(a).size())
#define pb emplace_back
#define pf emplace_front
#define pob pop_back
#define pof pop_front
#define lb lower_bound
#define ub upper_bound
#define fi first
#define se second
#define ins emplace
#define mp make_pair
using namespace std;
const int MOD = 1e9+7, MAXN = 1e5+5;
const string NAME = "";
int n,m,x,y,z,dp[MAXN],par[MAXN],depth[MAXN];
vector<int> adj[MAXN],vertices[MAXN];
vector<pair<pair<int,int>,int>> g[MAXN];
void dfs(int u){
    vertices[depth[u]].pb(u);
    for(int v : adj[u])
        if(v!=par[u]) par[v]=u, depth[v]=depth[u]+1, dfs(v);
}
int main()
 
 
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Compilation message (stderr)

election_campaign.cpp: In function 'int main()':
election_campaign.cpp:3:19: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    3 | #define fo freopen((NAME+".INP").c_str(), "r", stdin), freopen((NAME+".OUT").c_str(), "w", stdout)
      |            ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
election_campaign.cpp:33:45: note: in expansion of macro 'fo'
   33 |     if(fopen((NAME + ".INP").c_str(), "r")) fo;
      |                                             ^~
election_campaign.cpp:3:63: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    3 | #define fo freopen((NAME+".INP").c_str(), "r", stdin), freopen((NAME+".OUT").c_str(), "w", stdout)
      |                                                        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
election_campaign.cpp:33:45: note: in expansion of macro 'fo'
   33 |     if(fopen((NAME + ".INP").c_str(), "r")) fo;
      |                                             ^~

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• Subtask 6: 0 / 40