#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
using namespace std;
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int>vi;
typedef vector<vector<int>>vvi;
typedef vector<ll>vl;
typedef vector<vl> vvl;
typedef pair<int,int>pi;
typedef pair<ll,ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld,ld> pld;
//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T> ostream& operator<<(ostream& os, vector<T>& a){os<<"[";for(int i=0; i<ll(a.size()); i++){os << a[i] << ((i!=ll(a.size()-1)?" ":""));}os << "]\n"; return os;}
#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define gcd __gcd
#define popcount __builtin_popcountll
#define mp make_pair
template<typename T1, typename T2> istream& operator>>(istream& is, pair<T1, T2>& p){is >> p.first >> p.second;return is;}
template<typename T1, typename T2> ostream& operator<<(ostream& os, pair<T1, T2>& p){os <<"" << p.first << " " << p.second << ""; return os;}
void usaco(string taskname){
string fin = taskname + ".in";
string fout = taskname + ".out";
const char* FIN = fin.c_str();
const char* FOUT = fout.c_str();
freopen(FIN, "r", stdin);
freopen(FOUT, "w", stdout);
}
template<typename T>
void read(vector<T>& v){
int n=v.size();
for(int i=0; i<n; i++)
cin >> v[i];
}
template<typename T>
vector<T>UNQ(vector<T>a){
vector<T>ans;
for(T t:a)
if(ans.empty() || t!=ans.back())
ans.push_back(t);
return ans;
}
ll ceil(ll a,ll b){
ll ans=a/b;
if(a%b)ans++;
return ans;
}
ld log (ld a,ld b){return log(b)/log(a);}
ll power(ll base, ll exp,ll M=1e9+7){//(base^exp)%M
ll ans=1;
while(exp){
if(exp%2==1)ans=((ans%M)*(base%M))%M;
base=((base%M)*(base%M))%M;
exp/=2;
}
return ans;
}
string to_base(int n,int new_base){
string s;
int nn=n;
while(nn){
s+=to_string(nn%new_base);
nn/=new_base;
}
reverse(all(s));
return s;
}
ll lcm(ll a,ll b){
ll x= (a/gcd(a,b));
return b*x;
}
vl generate_array(ll n,ll mn=1,ll mx=1e18+1,bool permuatation=0){
if(permuatation){
vl a(n);
for(int i=0; i<n; i++)
a[i]=i+1;
random_shuffle(all(a));
return a;
}
if(mx==1e18+1)
mx=n;
vl ans(n);
for(int i=0; i<n;i++)
ans[i]=(mn+rand()%(mx-mn+1));
return ans;
}
string substr(string s,int l,int r){
string ans;
for(int i=l; i<=r; i++)
ans+=s[i];
return ans;
}
void solve();
int main() {
GLHF;
int t = 1;
//cin >> t;
while (t--)
solve();
}
map<pl,vpl>dp;
map<ll,set<ll>>who;//who in row i
ll logn=30;
ll get(ll i1,ll j1,ll i2){
if(who[i1].lower_bound(j1)==who[i1].end())return -1;
j1=*who[i1].lower_bound(j1);
pl cur={i1,j1};
ll len=i2-i1-1;
for(int i=0; i<logn && len; i++){
if(len&(1<<i)){
len-=(1<<i);
cur=dp[cur][i];
}
}
return cur.second;
}
void solve(){
ll r,c,n;
cin >> r >> c >> n;
map<pl,pl>nxt;
vpl a;
for(int i=0; i<n; i++){
int x,y;
cin >> x >> y;
who[x].insert(y);
a.push_back({x,y});
}
sort(all(a));
for(int i=0; i<n; i++){
if(!dp[a[i]].size()){
dp[a[i]].resize(logn);
if(who[a[i].first+1].lower_bound(a[i].second)!=who[a[i].first+1].end())
dp[a[i]][0]= {a[i].first+1,*who[a[i].first+1].lower_bound(a[i].second)};
else
dp[a[i]][0]={-1,-1};
}
}
for(int j=1; j<logn; j++)
for(int i=0; i<n; i++)
if(dp[a[i]][j-1].first!=-1)
dp[a[i]][j]=dp[dp[a[i]][j-1]][j-1];
else
dp[a[i]][j]={-1,-1};
ll q;
cin >> q;
while(q--){
ll i1,j1,i2,j2;
cin >> i1 >> j1 >> i2 >> j2;
if(i1>i2){cout << "No\n";continue;}
if(i1==i2){
if(j1<=j2)
cout << "Yes\n";
else
cout << "No\n";
continue;
}
ll ans=get(i1,j1,i2);
if(ans!=-1 && ans<=j2)cout << "Yes\n";
else cout << "No\n";
}
}
Compilation message
trampoline.cpp: In function 'void usaco(std::string)':
trampoline.cpp:40:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
40 | freopen(FIN, "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~
trampoline.cpp:41:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
41 | freopen(FOUT, "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
83 ms |
11584 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2073 ms |
125752 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2078 ms |
125460 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
33 ms |
6732 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2066 ms |
132984 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
