//code.cpp
#include <bits/stdc++.h>
using namespace std;
#define whole(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define sqr(x) ((x)*(x))
#define pb push_back
#define mp make_pair
#define ins insert
#define _(a) #a << " : " << (a)
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<int> vi;
//----------------------------------------------------------
const int inf = 1e9, maxn = 2001;
const ll inff = 1e18;
const ld eps = 1e-9, pi = acos (-1);
int n, k, m;
int p, q[maxn], c[maxn], res[maxn];
vi adj[maxn], ja[maxn];
int cnt[maxn];
int hihi (int i)
{
int res = 0;
while (i != 0)
{
if (cnt[i]) res++;
i = q[i];
}
return res;
}
void dfs (int i)
{
for (int j : ja[i]) cnt[j] ++;
res[i] = hihi (i);
for (int j : adj[i])
dfs (j);
for (int j : ja[i]) cnt[j] --;
}
void input ()
{
cin >> n >> m;
for (int i = 1; i <= n; ++i)
cin >> p >> q[i], adj[p].pb (i);
int s, r;
for (int i = 1; i <= m; ++i)
cin >> s >> r, ja[s].pb (r);
}
void solve ()
{
dfs (0);
for (int i = 1; i <= n; ++i) cout << res[i] << '\n';
}
int main()
{
#ifdef tcva
clock_t sttime = clock ();
#endif
ios_base::sync_with_stdio(false);
cin.tie (NULL);
cout.tie (NULL);
//freopen ("spy.inp", "r", stdin);
//freopen ("spy.out", "w", stdout);
input ();
solve ();
#ifdef tcva
clock_t entime = clock ();
cerr << "\nExecution time: " << double (entime - sttime) / CLOCKS_PER_SEC << "s";
#endif
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
2300 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
6 ms |
2432 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
139 ms |
5468 KB |
Execution killed because of forbidden syscall writev (20) |
| 2 |
Halted |
0 ms |
0 KB |
- |
