#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC optimize("conserve-stack")
#include<bits/stdc++.h>
//#define int long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
char c = getchar_unlocked();
int x = 0;
while (c < '0' || c > '9')
{
c = getchar_unlocked();
}
while (c >= '0' && c <= '9')
{
x = (x << 1) + (x << 3) + c - '0';
c = getchar_unlocked();
}
return x;
}
void phongbeo();
const int inf = 1e9;
const int mod2 = 1e9 + 7;
const int mod1 = 998244353;
struct icd
{
long double a;
int b;
};
struct ib
{
int a;
int b;
};
struct ic
{
int a, b, c;
};
struct id
{
int a, b, c, d;
};
struct ie
{
int a, b, c, d, e;
};
int n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center;
int i, s10, s12,k1,k2,k3,s11,t,lim,w,l,r;
int kk;
int el = 19;
main()
{
if(fopen(task".inp","r"))
{
fin(task);
fou(task);
}
NHP
/// cin>>s1;
///modwwe
phongbeo();
// checktime
}
set<int> s[400001];
set<int> cs;
vector<int> v;
vector<int> v2;
ib a[200001];
ib b[200001];
vector<int> sort1,sort2;
priority_queue<int,vector<int>>ask;
struct IT
{
ib t[1600001];
ib mer(ib a,ib b)
{
if(a.a<b.a) return a;
else return b;
}
void upd(int node,int l,int r,int l1,int x)
{
if(l==r)
{
t[node].a=x;
t[node].b=l;
return;
}
int mid=l+r>>1;
if(l1<=mid)
upd(node<<1,l,mid,l1,x);
else upd(node<<1|1,mid+1,r,l1,x);
t[node]=mer(t[node<<1],t[node<<1|1]);
}
ib get(int node,int l,int r,int l1,int r1)
{
if(l>r1||r<l1||t[node].a==inf) return {inf,inf} ;
if(l>=l1&&r<=r1) {
return t[node];}
int mid=l+r>>1;
return mer(get(node<<1,l,mid,l1,r1),get(node<<1|1,mid+1,r,l1,r1));
}
} st;
void phongbeo()
{
cin>>n;
for(int i=1; i<=n; i++)
cin>>a[i].a>>a[i].b,sort1.pb(a[i].a),sort2.pb(a[i].b);
for(int i=1; i<=n; i++)
cin>>b[i].a>>b[i].b,sort1.pb(b[i].a),sort2.pb(b[i].b);
sort(sort1.begin(),sort1.end());
sort(sort2.begin(),sort2.end());
for(int i=1; i<=n; i++)
a[i].a=lower_bound(sort1.begin(),sort1.end(),a[i].a)-sort1.begin()+1,
a[i].b=lower_bound(sort2.begin(),sort2.end(),a[i].b)-sort2.begin()+1,
b[i].a=lower_bound(sort1.begin(),sort1.end(),b[i].a)-sort1.begin()+1,
b[i].b=lower_bound(sort2.begin(),sort2.end(),b[i].b)-sort2.begin()+1;
k=n*2;
for(int i=n; i>=1; --i)
s[b[i].a].insert(b[i].b),
cs.insert(b[i].b);
for(int i=1; i<=4*k; i++)
st.t[i]= {inf,inf};
for(int i=1; i<=n; i++)
{
auto it=s[a[i].a].lower_bound(a[i].b);
if(it==s[a[i].a].end())
ask.push(a[i].b);
else
{
st.upd(1,1,k,*it,a[i].b);
s[a[i].a].erase(it);
cs.erase(*it);
}
}
for(auto x:cs)
v.pb(x);
reverse(v.begin(),v.end());
l=0;
while(!ask.empty())
{
int x=ask.top();
s4++;
ask.pop();
if(v[l]>=x)
{
l++;
continue;
}
else
{
ib xx=st.get(1,1,k,x,k);
ask.push({xx.a});
st.upd(1,1,k,xx.b,inf);
}
}
cout<<s4;
}
Compilation message
worst_reporter2.cpp:69:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
69 | main()
| ^~~~
worst_reporter2.cpp: In member function 'void IT::upd(int, int, int, int, int)':
worst_reporter2.cpp:106:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
106 | int mid=l+r>>1;
| ~^~
worst_reporter2.cpp: In member function 'ib IT::get(int, int, int, int, int)':
worst_reporter2.cpp:117:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
117 | int mid=l+r>>1;
| ~^~
worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
13 | #define fin(x) freopen(x".inp","r",stdin)
| ~~~~~~~^~~~~~~~~~~~~~~~~~~
worst_reporter2.cpp:73:9: note: in expansion of macro 'fin'
73 | fin(task);
| ^~~
worst_reporter2.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | #define fou(x) freopen(x".out","w",stdout)
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~
worst_reporter2.cpp:74:9: note: in expansion of macro 'fou'
74 | fou(task);
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
22356 KB |
Output is correct |
2 |
Correct |
5 ms |
22604 KB |
Output is correct |
3 |
Correct |
5 ms |
22356 KB |
Output is correct |
4 |
Correct |
5 ms |
22356 KB |
Output is correct |
5 |
Correct |
5 ms |
22432 KB |
Output is correct |
6 |
Correct |
5 ms |
22356 KB |
Output is correct |
7 |
Correct |
5 ms |
22524 KB |
Output is correct |
8 |
Correct |
5 ms |
22356 KB |
Output is correct |
9 |
Correct |
5 ms |
22516 KB |
Output is correct |
10 |
Correct |
5 ms |
22520 KB |
Output is correct |
11 |
Correct |
5 ms |
22436 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
22356 KB |
Output is correct |
2 |
Correct |
5 ms |
22604 KB |
Output is correct |
3 |
Correct |
5 ms |
22356 KB |
Output is correct |
4 |
Correct |
5 ms |
22356 KB |
Output is correct |
5 |
Correct |
5 ms |
22432 KB |
Output is correct |
6 |
Correct |
5 ms |
22356 KB |
Output is correct |
7 |
Correct |
5 ms |
22524 KB |
Output is correct |
8 |
Correct |
5 ms |
22356 KB |
Output is correct |
9 |
Correct |
5 ms |
22516 KB |
Output is correct |
10 |
Correct |
5 ms |
22520 KB |
Output is correct |
11 |
Correct |
5 ms |
22436 KB |
Output is correct |
12 |
Correct |
7 ms |
22520 KB |
Output is correct |
13 |
Correct |
5 ms |
22356 KB |
Output is correct |
14 |
Correct |
6 ms |
22356 KB |
Output is correct |
15 |
Correct |
6 ms |
22356 KB |
Output is correct |
16 |
Correct |
5 ms |
22436 KB |
Output is correct |
17 |
Correct |
7 ms |
22356 KB |
Output is correct |
18 |
Correct |
6 ms |
22356 KB |
Output is correct |
19 |
Correct |
5 ms |
22356 KB |
Output is correct |
20 |
Correct |
7 ms |
22520 KB |
Output is correct |
21 |
Correct |
6 ms |
22356 KB |
Output is correct |
22 |
Correct |
6 ms |
22356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
22356 KB |
Output is correct |
2 |
Correct |
5 ms |
22604 KB |
Output is correct |
3 |
Correct |
5 ms |
22356 KB |
Output is correct |
4 |
Correct |
5 ms |
22356 KB |
Output is correct |
5 |
Correct |
5 ms |
22432 KB |
Output is correct |
6 |
Correct |
5 ms |
22356 KB |
Output is correct |
7 |
Correct |
5 ms |
22524 KB |
Output is correct |
8 |
Correct |
5 ms |
22356 KB |
Output is correct |
9 |
Correct |
5 ms |
22516 KB |
Output is correct |
10 |
Correct |
5 ms |
22520 KB |
Output is correct |
11 |
Correct |
5 ms |
22436 KB |
Output is correct |
12 |
Correct |
7 ms |
22520 KB |
Output is correct |
13 |
Correct |
5 ms |
22356 KB |
Output is correct |
14 |
Correct |
6 ms |
22356 KB |
Output is correct |
15 |
Correct |
6 ms |
22356 KB |
Output is correct |
16 |
Correct |
5 ms |
22436 KB |
Output is correct |
17 |
Correct |
7 ms |
22356 KB |
Output is correct |
18 |
Correct |
6 ms |
22356 KB |
Output is correct |
19 |
Correct |
5 ms |
22356 KB |
Output is correct |
20 |
Correct |
7 ms |
22520 KB |
Output is correct |
21 |
Correct |
6 ms |
22356 KB |
Output is correct |
22 |
Correct |
6 ms |
22356 KB |
Output is correct |
23 |
Correct |
12 ms |
25428 KB |
Output is correct |
24 |
Correct |
12 ms |
25172 KB |
Output is correct |
25 |
Correct |
11 ms |
25172 KB |
Output is correct |
26 |
Correct |
12 ms |
25172 KB |
Output is correct |
27 |
Correct |
11 ms |
25172 KB |
Output is correct |
28 |
Correct |
17 ms |
25172 KB |
Output is correct |
29 |
Correct |
11 ms |
25172 KB |
Output is correct |
30 |
Correct |
12 ms |
25172 KB |
Output is correct |
31 |
Correct |
12 ms |
25256 KB |
Output is correct |
32 |
Correct |
15 ms |
25172 KB |
Output is correct |
33 |
Correct |
11 ms |
25336 KB |
Output is correct |
34 |
Correct |
12 ms |
25132 KB |
Output is correct |
35 |
Correct |
11 ms |
25172 KB |
Output is correct |
36 |
Correct |
11 ms |
25256 KB |
Output is correct |
37 |
Correct |
10 ms |
25172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
22356 KB |
Output is correct |
2 |
Correct |
5 ms |
22604 KB |
Output is correct |
3 |
Correct |
5 ms |
22356 KB |
Output is correct |
4 |
Correct |
5 ms |
22356 KB |
Output is correct |
5 |
Correct |
5 ms |
22432 KB |
Output is correct |
6 |
Correct |
5 ms |
22356 KB |
Output is correct |
7 |
Correct |
5 ms |
22524 KB |
Output is correct |
8 |
Correct |
5 ms |
22356 KB |
Output is correct |
9 |
Correct |
5 ms |
22516 KB |
Output is correct |
10 |
Correct |
5 ms |
22520 KB |
Output is correct |
11 |
Correct |
5 ms |
22436 KB |
Output is correct |
12 |
Correct |
7 ms |
22520 KB |
Output is correct |
13 |
Correct |
5 ms |
22356 KB |
Output is correct |
14 |
Correct |
6 ms |
22356 KB |
Output is correct |
15 |
Correct |
6 ms |
22356 KB |
Output is correct |
16 |
Correct |
5 ms |
22436 KB |
Output is correct |
17 |
Correct |
7 ms |
22356 KB |
Output is correct |
18 |
Correct |
6 ms |
22356 KB |
Output is correct |
19 |
Correct |
5 ms |
22356 KB |
Output is correct |
20 |
Correct |
7 ms |
22520 KB |
Output is correct |
21 |
Correct |
6 ms |
22356 KB |
Output is correct |
22 |
Correct |
6 ms |
22356 KB |
Output is correct |
23 |
Correct |
12 ms |
25428 KB |
Output is correct |
24 |
Correct |
12 ms |
25172 KB |
Output is correct |
25 |
Correct |
11 ms |
25172 KB |
Output is correct |
26 |
Correct |
12 ms |
25172 KB |
Output is correct |
27 |
Correct |
11 ms |
25172 KB |
Output is correct |
28 |
Correct |
17 ms |
25172 KB |
Output is correct |
29 |
Correct |
11 ms |
25172 KB |
Output is correct |
30 |
Correct |
12 ms |
25172 KB |
Output is correct |
31 |
Correct |
12 ms |
25256 KB |
Output is correct |
32 |
Correct |
15 ms |
25172 KB |
Output is correct |
33 |
Correct |
11 ms |
25336 KB |
Output is correct |
34 |
Correct |
12 ms |
25132 KB |
Output is correct |
35 |
Correct |
11 ms |
25172 KB |
Output is correct |
36 |
Correct |
11 ms |
25256 KB |
Output is correct |
37 |
Correct |
10 ms |
25172 KB |
Output is correct |
38 |
Correct |
371 ms |
66220 KB |
Output is correct |
39 |
Correct |
359 ms |
65100 KB |
Output is correct |
40 |
Correct |
347 ms |
64940 KB |
Output is correct |
41 |
Correct |
334 ms |
64940 KB |
Output is correct |
42 |
Correct |
352 ms |
64304 KB |
Output is correct |
43 |
Correct |
365 ms |
62016 KB |
Output is correct |
44 |
Correct |
373 ms |
61868 KB |
Output is correct |
45 |
Correct |
342 ms |
62040 KB |
Output is correct |
46 |
Correct |
390 ms |
62092 KB |
Output is correct |
47 |
Correct |
351 ms |
63076 KB |
Output is correct |
48 |
Correct |
289 ms |
61504 KB |
Output is correct |
49 |
Correct |
285 ms |
61560 KB |
Output is correct |
50 |
Correct |
304 ms |
61616 KB |
Output is correct |
51 |
Correct |
341 ms |
61616 KB |
Output is correct |
52 |
Correct |
268 ms |
61616 KB |
Output is correct |