/** * * * * * * * * * * * * * **\
* *
* Author: Haidara Nassour *
* Coded in: YYYY\M\D HH:MM:SS *
* Lang: C++ *
* *
\** * * * * * * * * * * * * * **/
#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
//#define int long long
#define itn int
#define rep(i,x,n) for(int i=(x);i<(n);i++)
#define FOR(i,n) rep(i,0,n)
#define per(i,x,n) for(int i=(x);i>(n);i--)
#define ROF(i,x) for(int i=x;i>=0;i--)
#define v(i) vector< i >
#define p(i,j) pair< i , j >
#define pii pair<int,int>
#define m(i,j) map< i , j >
#define um(i,j) unordered_map< i , j >
#define max_heap(i) priority_queue< i >
#define min_heap(i) priority_queue< i , vector< i > ,greater< i > >
#define ff first
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define ss second
#define pp push_back
#define mini(x,y) x=min(x,y)
#define maxi(x,y) x=max(x,y)
#define debug(x) cout<<#x<<" ";
using namespace std;
using namespace __gnu_pbds;
void SIO(string name="")
{
if(name!="")
{
freopen((name+".in").c_str(),"r",stdin);
freopen((name+".out").c_str(),"w",stdout);
}
}
template <class T> using o_set = tree<T, null_type, less<T>,rb_tree_tag, tree_order_statistics_node_update>;
///order_of_key = find index of element x ( returned val is integer )
///find_by_order = find value at index x ( returned val is pointer )
const double pi=2.0*acos(0.0);
const int inf=1LL<<62LL;
const int mod=1e9+7;
const int maxn=10000001;
struct node
{
int sum,lazy,lc,rc,l,r;
node():sum(0),lazy(0),rc(-1),lc(-1),l(0),r(1e9) {}
} st[maxn];
int nodecnt=2;
void create(int inx,int child)
{
int mid=(st[inx].l+st[inx].r)/2;
if(child==1)
{
st[inx].lc=nodecnt++;
st[st[inx].lc].l=st[inx].l;
st[st[inx].lc].r=mid;
}
else
{
st[inx].rc=nodecnt++;
st[st[inx].rc].l=mid+1;
st[st[inx].rc].r=st[inx].r;
}
}
void pull(int inx)
{
if(st[inx].lazy)
{
st[inx].sum=st[inx].r-st[inx].l+1;
if(st[inx].l!=st[inx].r)
{
int mid=(st[inx].l+st[inx].r)/2;
if(st[inx].lc==-1)
create(inx,1);
if(st[inx].rc==-1)
create(inx,2);
st[st[inx].lc].lazy=1;
st[st[inx].rc].lazy=1;
}
}
st[inx].lazy=0;
}
int push_up(int inx)
{
int res1=st[st[inx].lc].sum;
int res2=st[st[inx].rc].sum;
if(st[st[inx].lc].lazy)
res1=(st[inx].l+st[inx].r)/2-st[inx].l+1;
if(st[st[inx].rc].lazy)
res2=st[inx].r-(st[inx].l+st[inx].r)/2;
return res1+res2;
}
void update(int ul,int ur,int inx)
{
pull(inx);
if(ul==st[inx].l&&st[inx].r==ur)
{
st[inx].lazy=1;
pull(inx);
return ;
}
int mid=(st[inx].l+st[inx].r)/2;
if(st[inx].lc==-1)
create(inx,1);
if(st[inx].rc==-1)
create(inx,2);
if(ul>mid)
update(ul,ur,st[inx].rc);
else if(ur<mid+1)
update(ul,ur,st[inx].lc);
else
{
update(ul,mid,st[inx].lc);
update(mid+1,ur,st[inx].rc);
}
st[inx].sum=push_up(inx);
}
int query(int ql,int qr,int inx)
{
pull(inx);
if(ql==st[inx].l&&st[inx].r==qr)
return st[inx].sum;
int mid=(st[inx].l+st[inx].r)/2;
if(st[inx].lc==-1)
create(inx,1);
if(st[inx].rc==-1)
create(inx,2);
int res=0;
if(ql>mid)
res=query(ql,qr,st[inx].rc);
else if(qr<mid+1)
res=query(ql,qr,st[inx].lc);
else
res=query(ql,mid,st[inx].lc)+query(mid+1,qr,st[inx].rc);
st[inx].sum=push_up(inx);
return res;
}
signed main()
{
SIO("");
fast;
int q;
cin>>q;
int c=0;
while(q--)
{
int t;
cin>>t;
if(t==1)
{
int j,k;
cin>>j>>k;
c=query(j+c,k+c,1);
cout<<c<<endl;
}
else
{
int j,k;
cin>>j>>k;
update(j+c,k+c,1);
}
}
}
Compilation message
apple.cpp:48:18: warning: overflow in conversion from 'long long int' to 'int' changes value from '4611686018427387904' to '0' [-Woverflow]
48 | const int inf=1LL<<62LL;
| ~~~^~~~~~
apple.cpp: In constructor 'node::node()':
apple.cpp:53:21: warning: 'node::rc' will be initialized after [-Wreorder]
53 | int sum,lazy,lc,rc,l,r;
| ^~
apple.cpp:53:18: warning: 'int node::lc' [-Wreorder]
53 | int sum,lazy,lc,rc,l,r;
| ^~
apple.cpp:54:5: warning: when initialized here [-Wreorder]
54 | node():sum(0),lazy(0),rc(-1),lc(-1),l(0),r(1e9) {}
| ^~~~
apple.cpp: In function 'void pull(int)':
apple.cpp:80:17: warning: unused variable 'mid' [-Wunused-variable]
80 | int mid=(st[inx].l+st[inx].r)/2;
| ^~~
apple.cpp: In function 'void SIO(std::string)':
apple.cpp:40:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
40 | freopen((name+".in").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:41:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
41 | freopen((name+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
112 ms |
235076 KB |
Output is correct |
| 2 |
Correct |
127 ms |
235044 KB |
Output is correct |
| 3 |
Correct |
113 ms |
235084 KB |
Output is correct |
| 4 |
Correct |
150 ms |
235144 KB |
Output is correct |
| 5 |
Correct |
138 ms |
235076 KB |
Output is correct |
| 6 |
Correct |
137 ms |
235084 KB |
Output is correct |
| 7 |
Correct |
141 ms |
235056 KB |
Output is correct |
| 8 |
Correct |
281 ms |
235236 KB |
Output is correct |
| 9 |
Correct |
448 ms |
235484 KB |
Output is correct |
| 10 |
Correct |
453 ms |
235428 KB |
Output is correct |
| 11 |
Correct |
476 ms |
235492 KB |
Output is correct |
| 12 |
Correct |
465 ms |
235516 KB |
Output is correct |
| 13 |
Correct |
443 ms |
235520 KB |
Output is correct |
| 14 |
Correct |
457 ms |
235680 KB |
Output is correct |
| 15 |
Correct |
527 ms |
235588 KB |
Output is correct |
| 16 |
Correct |
538 ms |
235576 KB |
Output is correct |
| 17 |
Correct |
466 ms |
235648 KB |
Output is correct |
| 18 |
Correct |
456 ms |
235588 KB |
Output is correct |
| 19 |
Correct |
559 ms |
235652 KB |
Output is correct |
| 20 |
Correct |
534 ms |
235732 KB |
Output is correct |
