#include<iostream>
#include<cstdio>
#include<cmath>
#include<deque>
#include<queue>
#include<stack>
#include<set>
#include<vector>
#include<algorithm>
#include<array>
#include<iomanip>
#include<bitset>
#define ll int
#define ld long double
#define maxN 2001
#define oo 1000000000000000001
#define Mod 1000000007
#define pii pair<ll,ll>
#define fi first
#define se second
#define piii pair<ll,pii>
#define fifi first.first
#define fise first.second
#define sefi second.first
#define sese second.second
#define endl '\n'
#define gc getchar
#define pc putchar
using namespace std;
/// ***************************** FAST I/O *****************************
inline void read(ll &x)
{
register int c = gc();
x = 0;
int neg = 0;
for (;((c<48 || c>57) && c != '-') ;c = gc());
if(c=='-') {neg=1;c=gc();}
for(;c>47 && c<58;c = gc()) {x = (x<<1) + (x<<3) + c - 48;}
if(neg) x=-x;
}
inline void writeln(ll x)
{
char buffor[21];
register int i=0;
int neg=0; if (x<0) {neg=1; x= -x;}
do{
buffor[i++]=(x%10)+'0';
x/=10;
} while(x);
i--;
if (neg) pc('-');
while(i>=0) pc(buffor[i--]);
pc('\n');
}
/// ***************************** FAST I/O *****************************
ll n,m;
ll x,y;
vector<ll> f[maxN];
vector<ll> g[maxN];
bitset<500001> p[maxN];
bitset<500001> q[maxN];
void DFS1(ll u)
{
for(int v:f[u])
{
p[v]=(p[v]|p[u]);
DFS1(v);
}
}
void DFS2(ll u)
{
for(int v:g[u])
{
q[v]=(q[v]|q[u]);
DFS2(v);
}
}
void Enter()
{
//cin>>n>>m;
read(n);
read(m);
for(int i=1;i<=n;++i)
{
//cin>>x>>y;
read(x);
read(y);
f[x].push_back(i);
g[y].push_back(i);
}
for(int i=0;i<m;++i)
{
//cin>>x>>y;
read(x);
read(y);
p[x].set(i);
q[y].set(i);
}
DFS1(0);
DFS2(0);
for(int i=1;i<=n;++i)
{
ll ans=(p[i]&q[i]).count();
writeln(ans);
}
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
//freopen("SPY.inp","r",stdin);
//freopen("SPY.out","w",stdout);
Enter();
}
Compilation message
In file included from /usr/include/c++/5/array:35:0,
from spy.cpp:10:
/usr/include/c++/5/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
#error This file requires compiler and library support \
^
spy.cpp: In function 'void DFS1(int)':
spy.cpp:68:15: warning: range-based 'for' loops only available with -std=c++11 or -std=gnu++11
for(int v:f[u])
^
spy.cpp: In function 'void DFS2(int)':
spy.cpp:76:15: warning: range-based 'for' loops only available with -std=c++11 or -std=gnu++11
for(int v:g[u])
^
