Submission #109314

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
109314	2019-05-06 06:47:55	aer0park	문명 (KOI17_civilization)	C++14	54 / 100	1069 ms	52140 KiB

civilization

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#include <bits/stdc++.h>
#define f first
#define s second
 
using namespace std;
 
typedef int ll;
typedef pair<ll,ll> pi;
 
ll n,k,p[4000004],transp[2004][2004],cnt,coj,anw,vis[4000004];
bool ck[4000004];
ll dx[]={1,0,-1,0},dy[]={0,1,0,-1};
vector<pi> ar;
queue<pi> q;
 
ll par(int a)
{
    if(p[a]==a)
        return a;
    return p[a]=par(p[a]);
}
 
bool merge(ll a,ll b)    
{
    a=par(a),b=par(b);
    if(a!=b)
    {
        p[a]=b;
        return 1;   
    }
 
 
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Compilation message (stderr)

civilization.cpp: In function 'int main()':
civilization.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&k);
     ~~~~~^~~~~~~~~~~~~~
civilization.cpp:39:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         ll a,b;scanf("%d%d",&a,&b);
                ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 19 / 19
• Subtask 2: 35 / 35
• Subtask 3: 0 / 46