#include <bits/stdc++.h>
using namespace std;
const long long N = 2e5 + 5 ;
#define ll long long
#define endl '\n'
struct segmentTree {
int n;
vector<ll> sum, lz, sumB , maxi , mini;
void init(int _n, int b[]) {
n = _n;
sum.assign(4 * n + 6, 0);
lz.assign(4 * n + 6, 0);
sumB.assign(4 * n + 6, 0);
maxi.assign(4 * n + 6, -1e17);
mini.assign(4 * n + 6, 1e17);
build(b, 1, 1, n);
}
void build(int b[], int i, int l, int r) {
if (l == r) {
sumB[i] = b[l];
mini[i] = 0 ;
maxi[i] = 0 ;
return;
}
int m = (l + r) >> 1;
build(b, i << 1, l, m); build(b, i << 1 | 1, m + 1, r);
sumB[i] = sumB[i << 1] + sumB[i << 1 | 1];
}
void pushdown(int i) {
for(int j=i<<1; j<=(i<<1|1); ++j) {
sum[j] += lz[i] * sumB[j];
maxi[j] += lz[i] ;
mini[j] += lz[i] ;
lz[j] += lz[i];
}
lz[i] = 0;
}
void upd(int i, int l, int r, int u, int v, ll delta) {
if (l > r || u > v || l > v || r < u) return;
if (l >= u && r <= v) {
sum[i] += delta * sumB[i];
maxi[i] += delta ;
mini[i] += delta ;
lz[i] += delta;
return;
}
pushdown(i);
int m = (l + r) >> 1;
upd(i << 1, l, m, u, v, delta); upd(i << 1 | 1, m + 1, r, u, v, delta);
sum[i] = sum[i << 1] + sum[i << 1 | 1];
maxi[i] = max(maxi[i<<1] , maxi[i<<1 | 1]) ;
mini[i] = min(mini[i<<1] , mini[i<<1 | 1]) ;
}
void upd(int u, int v, ll delta) {
upd(1, 1, n, u, v, delta);
}
ll f(ll x , ll y , ll tp)
{
if(tp==1) return x+y ;
if(tp==2) return min(x , y) ;
if(tp==3) return max(x , y) ;
}
ll id(int tp)
{
if(tp==1) return 0 ;
if(tp==2) return 1e17 ;
if(tp==3) return -1e17 ;
}
ll get(int i, int l, int r, int u, int v , int tp) {
if (l > r || u > v || l > v || r < u) return id(tp);
if (l >= u && r <= v) return(tp == 1 ? sum[i] : tp==2 ? mini[i] : maxi[i]);
pushdown(i);
int m = (l + r) >> 1;
return f(get(i << 1, l, m, u, v , tp) , get(i << 1 | 1, m + 1, r, u, v , tp) , tp);
}
ll get(int u, int v , int tp = 1) {
return get(1, 1, n, u, v , tp);
}
};
int a[N] , b[N] ;
segmentTree st ;
int n , q ;
int getlast(int node , int l , int r , int x)
{
if(l==r) return l ;
int md = (l+r)/2 ;
if(x>=st.mini[2*node+1]) return getlast(2*node+1 , md+1 , r , x) ;
else return getlast(2*node , l , md , x) ;
}
int getlast(int x)
{
if(st.mini[1]>x) return 0 ;
return getlast(1 , 1 , n , x) ;
}
int getfirst(int node , int l , int r , int x)
{
if(l==r) return l ;
int md = (l+r)/2 ;
if(st.maxi[2*node]>=x) return getfirst(2*node , l , md , x) ;
else return getfirst(2*node+1 , md+1 , r , x) ;
}
int getfirst(int x)
{
if(st.maxi[1]<x) return n+1 ;
return getfirst(1 , 1 , n , x) ;
}
int main()
{
ios::sync_with_stdio(0), cin.tie(0),cout.tie(0) ;
cin>>n>>q ;
for(int i = 1 ; i<=n ; i++){
cin>>a[i] ;
b[i] = 1 ;
}
st.init(n , b) ;
sort(a+1 , a+n+1) ;
for(int i = 1 ; i<=n ; i++){
st.upd(i , i ,a[i]) ;
}
// int m ; cin>>m ;
// while(m--){
// int a, b ; cin>>a>>b ;
// cout<<getfirst(a)<<' '<<getlast(b)<<endl;
// }
while(q--){
char c ; cin>>c ;
if(c=='F'){
int c , h ; cin>>c>>h ;
int l = getfirst(h) ;
c = min(c , n - l+1) ;
int r = min(n , l+c-1) ;
int x = st.get(r , r) ;
int lr = getlast(x-1) ;
int rr = getlast(x) ;
int lefties = max(0 , lr - l+1) ;
int rl = (rr - (c - lefties) +1) ;
// upd [l , lr] , upd[rl , rr]
if(l<=lr){
st.upd(l , lr , 1) ;
}
if(rl<=rr){
st.upd(rl , rr , 1) ;
}
}
else{
int a , b ; cin>>a>>b ;
cout<<getlast(b) - getfirst(a)+1<<endl;
}
// for(int i = 1 ; i<=n ; i++){
// cout<<st.get(i , i)<<' ';
// }
// cout<<endl;
}
}
Compilation message
grow.cpp: In member function 'long long int segmentTree::id(int)':
grow.cpp:72:5: warning: control reaches end of non-void function [-Wreturn-type]
72 | }
| ^
grow.cpp: In member function 'long long int segmentTree::f(long long int, long long int, long long int)':
grow.cpp:66:5: warning: control reaches end of non-void function [-Wreturn-type]
66 | }
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
94 ms |
14848 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
596 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
43 ms |
1676 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
32 ms |
1624 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
93 ms |
11040 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
140 ms |
12612 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
145 ms |
13504 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
194 ms |
14588 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
116 ms |
14432 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
110 ms |
16924 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
