#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define ll long long
//#define int long long int
#define endl '\n'
#define N 800
#define M 800
#define big 2147483647
#define bigg 9223372036854775807
#define pb push_back
#define p push
#define ins insert
#define f first
#define s second
tuple<int,int,int> bfs[M];
vector<int> adj[N], comprez;
vector<pair<int,int>> ikinci;
int gittik[M];
inline void dfs(int x,int a,int b){
if(x==-1)return;
if(gittik[x])return ;
gittik[x]=1;
pair<int,int> pa={a+1,b};
int yeni=(upper_bound(ikinci.begin(),ikinci.end(),pa)-ikinci.begin())-1;
if(ikinci[yeni].f==a+1&&ikinci[yeni].s==b&&gittik[yeni]==0){
bfs[x]={yeni,a+1,b};
dfs(yeni,a+1,b);
return;
}
int kim=(lower_bound(comprez.begin(),comprez.end(),a)-comprez.begin());
int yer=(lower_bound(adj[kim].begin(),adj[kim].end(),b)-adj[kim].begin());
if(yer!=adj[kim].size()){
pa={a,adj[kim][yer]};
yeni=(upper_bound(ikinci.begin(),ikinci.end(),pa)-ikinci.begin())-1;
bfs[x]={yeni,a,adj[kim][yer]};
dfs(yeni,a,adj[kim][yer]);
return;
}
bfs[x]={-1,-1,-1};
}
inline bool defese(int x,int a,int b,int s,int e){
if(a>s||b>e)return 0;
if(a==s){
return 1;
}
int aa,bb,cc;tie(aa,bb,cc)=bfs[x];
if(a==-1)return 0;
return defese(aa,bb,cc,s,e);
}
inline void qua(){
int x,y,a,b;cin>>x>>y>>a>>b;
if(x==a){
if(y<=b)cout<<"Yes"<<endl;
else cout<<"No"<<endl;
return;
}
if(x>a||y>b){
cout<<"No"<<endl;
return;
}
int kim=(lower_bound(comprez.begin(),comprez.end(),x)-comprez.begin());
if(kim==comprez.size()||comprez[kim]!=x){
cout<<"No"<<endl;
return;
}
int yer=(lower_bound(adj[kim].begin(),adj[kim].end(),y)-adj[kim].begin());
if(yer==adj[kim].size()){
cout<<"No"<<endl;
return;
}
pair<int,int> pa={x,adj[kim][yer]};
int yeni=(upper_bound(ikinci.begin(),ikinci.end(),pa)-ikinci.begin())-1;
int ok=defese(yeni,x,adj[kim][yer],a,b);
if(ok)cout<<"Yes"<<endl;
else cout<<"No"<<endl;
}
inline void solve(){
int r,c,n;cin>>r>>c>>n;
vector<pair<int,int>> v;
ikinci.clear();
comprez.clear();
vector<int> yedek;
for(int i=0;i<n;i++){
int a,b;cin>>a>>b;
v.pb({b,a});
yedek.pb(a);yedek.pb(b);
yedek.pb(a+1);
ikinci.pb({a,b});
ikinci.pb({a+1,b});
}
sort(v.begin(),v.end());
sort(yedek.begin(),yedek.end());
sort(ikinci.begin(),ikinci.end());
comprez.pb(yedek[0]);
for(int i=1;i<n*3;i++){
if(yedek[i]!=yedek[i-1])comprez.pb(yedek[i]);
if(i<=n*2+5){
gittik[i]=0;
}
adj[i].clear();
}
adj[0].clear();
gittik[0]=0;
for(auto u:v){
int yer=u.s;
int kim=lower_bound(comprez.begin(),comprez.end(),yer)-comprez.begin();
adj[kim].pb(u.f);
}
for(int i=0;i<(int)ikinci.size();i++){
if(gittik[i])continue;
dfs(i,ikinci[i].f,ikinci[i].s);
}
/*for(int i=0;i<(int)ikinci.size();i++){
int a,b,c;tie(a,b,c)=bfs[i];
cout<<a<<" "<<b<<" "<<c<<endl;
}*/
int q;cin>>q;
while(q--){
qua();
}
}
signed main(){
lalala;
solve();
}
Compilation message
trampoline.cpp: In function 'void dfs(int, int, int)':
trampoline.cpp:38:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | if(yer!=adj[kim].size()){
| ~~~^~~~~~~~~~~~~~~~~
trampoline.cpp: In function 'void qua()':
trampoline.cpp:71:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
71 | if(kim==comprez.size()||comprez[kim]!=x){
| ~~~^~~~~~~~~~~~~~~~
trampoline.cpp:76:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
76 | if(yer==adj[kim].size()){
| ~~~^~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
5 ms |
1884 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
109 ms |
19152 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
107 ms |
16612 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
3 ms |
1116 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
121 ms |
16028 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
