제출 #964117

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
964117		Batorgil952	Burza (COCI16_burza)	C++14	0 / 160	1 ms	600 KiB

burza

#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair

using namespace std;

const int N=402;
vector< int > v[N];
int dp[N];
bool B[N];

void DFS(int p){
	int un, vn;
	vector< int > u;
	vn=v[p].size();
	for(int i=0; i<vn; i++){
		if(!B[v[p][i]]){
			B[v[p][i]]=true;
			DFS(v[p][i]);
			u.pb(dp[v[p][i]]);
		}
	}
	un=u.size();
	if(un==0 || un==1) dp[p]=1;
	else{
		sort(u.begin(), u.end());
		dp[p]=u[un-2]+1;
	}
}

int main(){
	int n, k, i, x, y;
	
	scanf("%d",&n);
	scanf("%d",&k);
	
	for(i=1; i<n; i++){
		scanf("%d",&x);
		scanf("%d",&y);
		v[x].pb(y);
		v[y].pb(x);
	}
	
	B[1]=true;
	DFS(1);
	
	if(dp[1]>k) printf("NE\n");
	else printf("DA\n");
	
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

burza.cpp: In function 'int main()':
burza.cpp:35:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
burza.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |  scanf("%d",&k);
      |  ~~~~~^~~~~~~~~
burza.cpp:39:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |   scanf("%d",&x);
      |   ~~~~~^~~~~~~~~
burza.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |   scanf("%d",&y);
      |   ~~~~~^~~~~~~~~

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