Submission #365952

#	Time	Username	Problem	Language	Result	Execution time	Memory
365952		Ahmadsm2005	Trampoline (info1cup20_trampoline)	C++14	Compilation error	0 ms	0 KiB

trampoline

#include <bits/stdc++.h>
#define endl '\n'
#define modulo 998244353
//#define int long long
#define PI acos(-1)
#pragma GCC optimize("-Ofast")
//#pragma GCC optimize("trapv")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.2,popcnt,abm,mmx,avx2,tune=native")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-funroll-all-loops,-fpeel-loops,-funswitch-loops")
#define sinDegrees(x) sin((x) * PI / 180.0)
#define cosDegrees(x) cos((x) * PI / 180.0)
#define tanDegrees(x) tan((x) * PI / 180.0)
#define atanDegrees(x) atan(x)* 180.0 / PI
#define asinDegrees(x) asin(x)* 180.0 / PI
#define EPS 0.000000001
using namespace std;
int power(int x,int y,int m)
{
int temp;
if(y == 0)
return 1;
temp = (power(x, y/2,m))%m;
if (y%2 == 0)
return ((temp%m)*temp);
else
return ((x*temp%m)*temp%m)%m;
}
int inv(int x,int m=modulo)
{
return (power(x,m-2,m))%m;
}
///IOI 2021 isA
int R,C,N,T,X,Y,X2,Y2;
vector<pair<int,int>>lolz;
int32_t main()
{
//freopen("output.txt","w",stdout);
//freopen("sorting.in","r",stdin);
cin.tie(0),iostream::sync_with_stdio(0);
cin>>R>>C>>N;
for(int i=0;i<N;i++){
cin>>Y>>X;
lolz.push_back({Y,X});
}
sort(lolz.begin(),lolz.end());
cin>>T;
while(T--){
cin>>Y>>X>>Y2>>X2;
int LAST=0,FFF=0;
if(Y2<Y){
cout<<"NO"<<endl;
goto a;
}
for(int i=Y;i<Y2;i++){
int L=0,R=N-1,mid,BEST=INT_MAX;
while(L<=R){
mid=(L+R)/2;
if(lolz[mid].first<i)
L=mid+1;
else if(lolz[mid].first>i)
R=mid-1;
else if(lolz[mid].second<LASTX)
L=mid+1;
else
BEST=min(BEST,lolz[mid].second),R=mid-1;
}
LASTX=BEST;
}
//cout<<LASTX<<endl;
if(LASTX<=X2){
cout<<"YES"<<endl;
}
else
cout<<"NO"<<endl;
a:;
}
return 0;
}

Compilation message (stderr)

trampoline.cpp: In function 'int32_t main()':
trampoline.cpp:64:26: error: 'LASTX' was not declared in this scope; did you mean 'LAST'?
   64 | else if(lolz[mid].second<LASTX)
      |                          ^~~~~
      |                          LAST
trampoline.cpp:69:1: error: 'LASTX' was not declared in this scope; did you mean 'LAST'?
   69 | LASTX=BEST;
      | ^~~~~
      | LAST
trampoline.cpp:72:4: error: 'LASTX' was not declared in this scope; did you mean 'LAST'?
   72 | if(LASTX<=X2){
      |    ^~~~~
      |    LAST
trampoline.cpp:51:5: warning: unused variable 'LAST' [-Wunused-variable]
   51 | int LAST=0,FFF=0;
      |     ^~~~
trampoline.cpp:51:12: warning: unused variable 'FFF' [-Wunused-variable]
   51 | int LAST=0,FFF=0;
      |            ^~~