oj.uz

Submission #28938

# Submission time Handle Problem Language Result Execution time Memory
28938 2017-07-18T01:34:48 Z 김동현(#1232) Triumphal arch (POI13_luk) C++14
0 / 100
 319 ms 20124 KB 
#include <bits/stdc++.h>
using namespace std;

int n, s[300010], ans;
vector<int> e[300010];

void f(int x, int p, int d){
	s[d]++;
	for(auto &i : e[x]){
		if(i != p) f(i, x, d + 1);
	}
}

int main(){
	scanf("%d", &n);
	for(int i = 0, x, y; i < n - 1; i++){
		scanf("%d%d", &x, &y);
		e[x].push_back(y);
		e[y].push_back(x);
	}
	f(1, 0, 0);
	s[0] = 0;
	for(int i = 1; i <= n; i++){
		s[i] += s[i - 1];
		ans = max(ans, (s[i] + i - 1) / i);
	}
	printf("%d\n", ans);
}

Compilation message

luk.cpp: In function 'int main()':
luk.cpp:15:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
luk.cpp:17:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &x, &y);
                        ^

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 10224 KB Output is correct
2 Correct 0 ms 10224 KB Output is correct
3 Incorrect 3 ms 10224 KB Output isn't correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 10224 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 10224 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 10224 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 10620 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 11280 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 89 ms 13524 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 196 ms 16824 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 319 ms 20124 KB Output isn't correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 309 ms 20124 KB Output isn't correct
2 Halted 0 ms 0 KB -