oj.uz

답안 #102117

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
102117 2019-03-22T14:38:03 Z jwvg0425 스파이 (JOI13_spy) C++17
30 / 100
 2000 ms 219908 KB 
#include <stdio.h>
#include <vector>
#include <queue>
#include <algorithm>
#include <iostream>
#include <string>
#include <bitset>
#include <map>
#include <set>
#include <tuple>
#include <string.h>
#include <math.h>
#include <random>
#include <functional>
#include <assert.h>
#include <math.h>
#include <iterator>
#include <chrono>
#define all(x) (x).begin(), (x).end()
#define xx first
#define yy second

using namespace std;

using i64 = long long int;
using ii = pair<int, int>;
using ii64 = pair<i64, i64>;
using vi = vector<long long int>;

int iparent[2005];
int jparent[2005];
vector<int> ichild[2005];
vector<int> jchild[2005];
vector<int> iteams[2005];
vector<int> jteams[2005];
int iroot;
int jroot;

void idfs(int root, int team)
{
	iteams[root].push_back(team);

	for (auto& c : ichild[root])
		idfs(c, team);
}

void jdfs(int root, int team)
{
	jteams[root].push_back(team);

	for (auto& c : jchild[root])
		jdfs(c, team);
}

int main()
{
	int n, m;
	scanf("%d %d", &n, &m);

	for (int i = 1; i <= n; i++)
	{
		int p, q;
		scanf("%d %d", &p, &q);

		jparent[i] = p;
		jchild[p].push_back(i);

		iparent[i] = q;
		ichild[q].push_back(i);

		if (jparent[i] == 0)
			jroot = i;

		if (iparent[i] == 0)
			iroot = i;
	}

	for (int i = 1; i <= m; i++)
	{
		int r, s;
		scanf("%d %d", &r, &s);

		jdfs(r, i);
		idfs(s, i);
	}

	for (int i = 1; i <= n; i++)
	{
		sort(all(jteams[i]));

		int c = 0;

		for (auto& it : iteams[i])
		{
			if (binary_search(all(jteams[i]), it))
				c++;
		}

		printf("%d\n", c);
	}

	return 0;
}

Compilation message

spy.cpp: In function 'int main()':
spy.cpp:58:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
spy.cpp:63:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &p, &q);
   ~~~~~^~~~~~~~~~~~~~~~~
spy.cpp:81:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &r, &s);
   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 768 KB Output is correct
2 Correct 6 ms 896 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 7 ms 1068 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 7 ms 896 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 3 ms 640 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 361 ms 22812 KB Output is correct
2 Correct 713 ms 33104 KB Output is correct
3 Correct 261 ms 16840 KB Output is correct
4 Correct 411 ms 32868 KB Output is correct
5 Correct 23 ms 1792 KB Output is correct
6 Correct 534 ms 33144 KB Output is correct
7 Correct 71 ms 5112 KB Output is correct
8 Correct 11 ms 1280 KB Output is correct

Subtask #3
0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2069 ms 219908 KB Time limit exceeded
2 Halted 0 ms 0 KB -