oj.uz

Submission #964126

# Submission time Handle Problem Language Result Execution time Memory
964126 2024-04-16T10:49:23 Z Batorgil952 Burza (COCI16_burza) C++14
0 / 160
 1 ms 600 KB 
#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) dp[p] = 0;
	else if (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;
}

Compilation message

burza.cpp: In function 'int main()':
burza.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
burza.cpp:37:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |  scanf("%d",&k);
      |  ~~~~~^~~~~~~~~
burza.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |   scanf("%d",&x);
      |   ~~~~~^~~~~~~~~
burza.cpp:41:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |   scanf("%d",&y);
      |   ~~~~~^~~~~~~~~

Subtask #1
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 600 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 448 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -