67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
#include <bits/stdc++.h>
|
|
using namespace std;
|
|
#ifdef ONLINE_JUDGE
|
|
#define dbg(...)
|
|
#else
|
|
#include "Assets/debug.h"
|
|
#endif
|
|
#define int long long
|
|
#define ll long long
|
|
#define endl '\n'
|
|
#define ff first
|
|
#define ss second
|
|
#define ins insert
|
|
#define pb push_back
|
|
#define ppb pop_back
|
|
#define sz(x) (int)(x).size()
|
|
#define all(x) x.begin(), x.end()
|
|
#define rep(i,a,b) for(int i=a; i<b; ++i)
|
|
#define rrep(i,a,b) for(int i=a; i>=b; --i)
|
|
#define yn(f) f? cout<<"YES\n":cout<<"NO\n"
|
|
#define FAST (ios_base::sync_with_stdio(false), cin.tie(nullptr));
|
|
ll pow(ll x,ll y,ll m=1e9+7) {ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
|
|
|
|
void solve()
|
|
{
|
|
int n;
|
|
cin>>n;
|
|
vector<bool>one(n+10,false),zero(n+10,false);
|
|
int ct_one=0, ct_zero=0;
|
|
rep(i,0,n)
|
|
{
|
|
int x,y;
|
|
cin>>x>>y;
|
|
if(y)
|
|
{
|
|
one[x]=1;
|
|
ct_one++;
|
|
}
|
|
else
|
|
{
|
|
zero[x]=1;
|
|
ct_zero++;
|
|
}
|
|
}
|
|
dbg(one,zero);
|
|
dbg(ct_one, ct_zero);
|
|
int ans=0;
|
|
rep(i,0,n)
|
|
{
|
|
if(one[i] && zero[i]) ans += ct_one+ct_zero-2;
|
|
if(one[i] && zero[i+1] && one[i+2]) ans++;
|
|
if(zero[i] && one[i+1] && zero[i+2]) ans++;
|
|
}
|
|
cout<<ans<<endl;
|
|
}
|
|
|
|
signed main()
|
|
{
|
|
FAST;
|
|
int TCS = 1;
|
|
cin >> TCS;
|
|
for (int TC = 1; TC <= TCS; ++TC)
|
|
{
|
|
// cout<<"Case "<<TC<<": ";
|
|
solve();
|
|
}
|
|
} |