#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 1e5 + 5;
int n,m,a[N],tree[N << 2],lazy[N << 2],dsa;
int init(int ind,int l,int r) {
if (l == r)
return tree[ind] = a[l];
int mid = (l + r) / 2;
return tree[ind] = init(ind + ind,l,mid) + init(ind + ind + 1,mid + 1,r);
}
void update(int ind,int l,int r,int lw,int rw,int val) {
if (l > rw || r < lw || l > r)
return ;
if (l >= lw && r <= rw) {
lazy[ind] += val;
return;
}
int mid = (l + r) / 2;
update(ind + ind,l,mid,lw,rw,val);
update(ind + ind + 1,mid + 1,r,lw,rw,val);
}
void query(int ind,int l,int r,int w) {
if (l > w || r < w)
return;
dsa += lazy[ind];
if (l == w && r == w) {
dsa += tree[ind];
return;
}
int mid = (l + r) / 2;
query(ind + ind,l,mid,w);
query(ind + ind + 1,mid + 1,r,w);
}
int query(int w) {
dsa = 0;
query(1,1,n,w);
return dsa;
}
int find1(int mn) {
if (query(n) < mn)
return -1;
int l = 1 ,r = n;
while(l < r) {
int mid = (l + r - 1) / 2;
if (query(mid) >= mn)
r = mid;
else
l = mid + 1;
}
return r;
}
int find2(int mx) {
if (query(1) > mx)
return -1;
int l = 1 ,r = n;
while(l < r) {
int mid = (l + r + 1) / 2;
if (query(mid) <= mx)
l = mid;
else
r = mid - 1;
}
return l;
}
ii find3(int x) {
return {find1(x),find2(x)};
}
void print() {
cerr << "DIZININ SUANKI HALI::\n\n";
for (int i = 1 ; i <= n ; i++)
cerr << query(i) << " ";
cerr << endl;
}
main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
cin >> n >> m;
for (int i = 1 ; i <= n ; i++)
cin >> a[i];
sort(a + 1, a + n + 1);
init(1,1,n);
while(m--) {
char typ;
cin >> typ;
if (typ == 'F') {
int c,h;
cin >> c >> h;
int l = find1(h) ,r = l + c - 1;
if (l == -1)
continue;
if (r >= n)
update(1,1,n,l,n,1);
else {
int tut = query(r);
auto temp = find3(tut);
update(1,1,n,l,temp.first - 1,1);
int dis = r - temp.first + 1;
update(1,1,n,temp.second - dis + 1,temp.second,1);
}
}
else {
int mn,mx;
cin >> mn >> mx;
int l = find1(mn) , r = find2(mx);
if (l == -1)
cout << 0 << "\n";
else
cout << r - l + 1 << "\n";
}
// print()
}
}
Compilation message
grow.cpp:77:1: error: 'ii' does not name a type; did you mean 'init'?
ii find3(int x) {
^~
init
grow.cpp:88:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main() {
^
grow.cpp: In function 'int main()':
grow.cpp:109:21: error: 'find3' was not declared in this scope
auto temp = find3(tut);
^~~~~
grow.cpp:109:21: note: suggested alternative: 'find2'
auto temp = find3(tut);
^~~~~
find2
