oj.uz

답안 #103588

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
103588 2019-03-31T19:11:39 Z luciocf 어르신 집배원 (BOI14_postmen) C++14
38 / 100
 500 ms 22700 KB 
#include <bits/stdc++.h>
#define gc getchar

using namespace std;

const int maxn = 5e5+10;

typedef pair<int, int> pii;

bool markEdge[maxn], mark[maxn];

vector<pii> grafo[maxn];

stack<int> stk;

void dfs(int u)
{
	if (mark[u])
	{
		while (true)
		{
			int v = stk.top();
			stk.pop();

			mark[v] = 0;

			if (v == u)
			{
				printf("%d\n", v);
				break;
			}

			printf("%d ", v);
		}
	}

	for (auto v: grafo[u])
	{
		if (!markEdge[v.second])
		{
			mark[u] = 1;
			stk.push(u);
			markEdge[v.second] = 1;

			dfs(v.first);
		}
	}
}

inline int scan(void)
{
	int n = 0, x = gc(), s =1;

	for (;x<'0'||x>'9';x=gc()) if(x=='-') s=-1;
	for (;x>='0'&&x<='9';x=gc()) n = (n<<3) + (n<<1) + x-'0';
	return n;
}

int main(void)
{
	int n, m;
	n = scan(), m = scan();

	for (int i = 1; i <= m; i++)
	{
		int u, v;
		u = scan(), v = scan();

		grafo[u].push_back({v, i});
		grafo[v].push_back({u, i});
	}

	dfs(1);
}

Compilation message

postmen.cpp: In function 'int scan()':
postmen.cpp:52:23: warning: variable 's' set but not used [-Wunused-but-set-variable]
  int n = 0, x = gc(), s =1;
                       ^
postmen.cpp: In function 'int main()':
postmen.cpp:61:6: warning: variable 'n' set but not used [-Wunused-but-set-variable]
  int n, m;
      ^

Subtask #1
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 12032 KB Output is correct
2 Correct 13 ms 12032 KB Output is correct
3 Correct 20 ms 12136 KB Output is correct
4 Correct 15 ms 12416 KB Output is correct
5 Correct 15 ms 12136 KB Output is correct
6 Correct 20 ms 12544 KB Output is correct
7 Correct 17 ms 13568 KB Output is correct
8 Correct 15 ms 12288 KB Output is correct
9 Correct 87 ms 20728 KB Output is correct
10 Correct 13 ms 12288 KB Output is correct
11 Correct 13 ms 12296 KB Output is correct
12 Correct 63 ms 21088 KB Output is correct

Subtask #2
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 12084 KB Output is correct
2 Correct 12 ms 12032 KB Output is correct
3 Correct 15 ms 12160 KB Output is correct
4 Correct 14 ms 12416 KB Output is correct
5 Correct 11 ms 12160 KB Output is correct
6 Correct 16 ms 12416 KB Output is correct
7 Correct 18 ms 13568 KB Output is correct
8 Correct 15 ms 12288 KB Output is correct
9 Correct 105 ms 20704 KB Output is correct
10 Correct 13 ms 12288 KB Output is correct
11 Correct 14 ms 12288 KB Output is correct
12 Correct 61 ms 21112 KB Output is correct
13 Correct 88 ms 22700 KB Output is correct
14 Correct 74 ms 18836 KB Output is correct
15 Execution timed out 1098 ms 21608 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 12032 KB Output is correct
2 Correct 14 ms 12032 KB Output is correct
3 Correct 11 ms 12032 KB Output is correct
4 Correct 16 ms 12416 KB Output is correct
5 Correct 12 ms 12160 KB Output is correct
6 Correct 24 ms 12416 KB Output is correct
7 Correct 22 ms 13568 KB Output is correct
8 Correct 12 ms 12288 KB Output is correct
9 Correct 98 ms 20728 KB Output is correct
10 Correct 15 ms 12160 KB Output is correct
11 Correct 15 ms 12288 KB Output is correct
12 Correct 56 ms 21160 KB Output is correct
13 Correct 81 ms 22664 KB Output is correct
14 Correct 78 ms 18784 KB Output is correct
15 Execution timed out 1072 ms 21572 KB Time limit exceeded
16 Halted 0 ms 0 KB -