/*
PROG: source
LANG: C++11
_____
.' '.
/ 0 0 \
| ^ |
| \ / |
\ '---' /
'._____.'
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
struct chash
{
int operator()(int x) const
{
x ^= (x >> 20) ^ (x >> 12);
return x ^ (x >> 7) ^ (x >> 4);
}
int operator()(long long x) const
{
return x ^ (x >> 32);
}
};
template<typename T> using orderedset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using hashtable = gp_hash_table<T, U, chash>;
template<class T>
void readi(T &x)
{
T input = 0;
bool negative = false;
char c = ' ';
while (c < '-')
{
c = getchar();
}
if (c == '-')
{
negative = true;
c = getchar();
}
while (c >= '0')
{
input = input * 10 + (c - '0');
c = getchar();
}
if (negative)
{
input = -input;
}
x = input;
}
template<class T>
void printi(T output)
{
if (output == 0)
{
putchar('0');
return;
}
if (output < 0)
{
putchar('-');
output = -output;
}
int aout[20];
int ilen = 0;
while(output)
{
aout[ilen] = ((output % 10));
output /= 10;
ilen++;
}
for (int i = ilen - 1; i >= 0; i--)
{
putchar(aout[i] + '0');
}
return;
}
template<class T>
void ckmin(T &a, T b)
{
a = min(a, b);
}
template<class T>
void ckmax(T &a, T b)
{
a = max(a, b);
}
template<class T, class U>
T normalize(T x, U mod = 1000000007)
{
return (((x % mod) + mod) % mod);
}
long long randomizell(long long mod)
{
return ((1ll << 45) * rand() + (1ll << 30) * rand() + (1ll << 15) * rand() + rand()) % mod;
}
int randomize(int mod)
{
return ((1ll << 15) * rand() + rand()) % mod;
}
#define y0 ___y0
#define y1 ___y1
#define MP make_pair
#define MT make_tuple
#define PB push_back
#define PF push_front
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define debug(x) cerr << #x << " = " << x << endl;
const long double PI = 4.0 * atan(1.0);
const long double EPS = 1e-10;
#define MAGIC 347
#define SINF 10007
#define CO 1000007
#define INF 1000000007
#define BIG 1000000931
#define LARGE 1696969696967ll
#define GIANT 2564008813937411ll
#define LLINF 2696969696969696969ll
#define MAXN 100013
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pdd;
int N, Q;
int arr[MAXN];
ll fen[MAXN];
void upd(int idx, ll val)
{
for (int e = idx + 1; e <= N; e += e & (-e))
{
fen[e] += val;
}
return;
}
ll get(int idx)
{
ll res = 0;
for (int e = idx + 1; e; e -= e & (-e))
{
res += fen[e];
}
return res;
}
void update(int l, int r, ll val)
{
upd(l, val);
upd(r + 1, -val);
}
int lowerbound(ll val)
{
//smallest guy >= val
//so this counts # of guys <val
int res = 0;
for (int i = 20; i >= 0; i--)
{
if (res + (1 << i) <= N && fen[res + (1 << i)] < val)
{
res += (1 << i);
val -= fen[res];
}
}
return res;
}
int32_t main()
{
ios_base::sync_with_stdio(0);
srand(time(0));
// cout << fixed << setprecision(10);
// cerr << fixed << setprecision(10);
if (fopen("input.in", "r"))
{
freopen ("input.in", "r", stdin);
freopen ("output.out", "w", stdout);
}
cin >> N >> Q;
for (int i = 0; i < N; i++)
{
cin >> arr[i];
}
sort(arr, arr + N);
for (int i = 0; i < N; i++)
{
update(i, i, arr[i]);
}
while(Q--)
{
char qid;
cin >> qid;
if (qid == 'F')
{
int freq; ll val;
cin >> freq >> val;
int idx = lowerbound(val);
if (idx + freq >= N)
{
update(idx, N - 1, 1);
continue;
}
//else you would want to update idx...idx + freq - 1
int cap = get(idx + freq - 1);
int hi = lowerbound(cap + 1);
int lo = lowerbound(cap);
update(idx, lo - 1, 1);
//lo...idx + freq - 1 has same as x...hi - 1 -> hi - x = idx + freq - lo -> x = hi - idx - freq + lo
update(hi + lo - idx - freq, hi - 1, 1);
}
if (qid == 'C')
{
ll lo, hi;
cin >> lo >> hi;
cout << lowerbound(hi + 1) - lowerbound(lo) << '\n';
}
}
//update a range by a avlue,
// cerr << "time elapsed = " << (clock() / (CLOCKS_PER_SEC / 1000)) << " ms" << endl;
return 0;
}
Compilation message
grow.cpp: In function 'int32_t main()':
grow.cpp:193:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen ("input.in", "r", stdin);
~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
grow.cpp:194:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen ("output.out", "w", stdout);
~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
168 ms |
2680 KB |
Output is correct |
| 2 |
Correct |
179 ms |
4340 KB |
Output is correct |
| 3 |
Correct |
62 ms |
5940 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
5940 KB |
Output is correct |
| 2 |
Correct |
9 ms |
5940 KB |
Output is correct |
| 3 |
Correct |
12 ms |
5940 KB |
Output is correct |
| 4 |
Correct |
9 ms |
5940 KB |
Output is correct |
| 5 |
Correct |
150 ms |
6368 KB |
Output is correct |
| 6 |
Correct |
212 ms |
7504 KB |
Output is correct |
| 7 |
Correct |
12 ms |
7504 KB |
Output is correct |
| 8 |
Correct |
190 ms |
8076 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
220 ms |
9120 KB |
Output is correct |
| 2 |
Correct |
228 ms |
10104 KB |
Output is correct |
| 3 |
Correct |
5 ms |
10104 KB |
Output is correct |
| 4 |
Correct |
177 ms |
10820 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
205 ms |
12060 KB |
Output is correct |
| 2 |
Correct |
235 ms |
12988 KB |
Output is correct |
| 3 |
Correct |
8 ms |
12988 KB |
Output is correct |
| 4 |
Correct |
200 ms |
14184 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
115 ms |
15664 KB |
Output is correct |
| 2 |
Correct |
209 ms |
16904 KB |
Output is correct |
| 3 |
Correct |
46 ms |
16904 KB |
Output is correct |
| 4 |
Correct |
54 ms |
18592 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
115 ms |
19612 KB |
Output is correct |
| 2 |
Correct |
160 ms |
21068 KB |
Output is correct |
| 3 |
Correct |
88 ms |
22404 KB |
Output is correct |
| 4 |
Correct |
61 ms |
22404 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
126 ms |
24412 KB |
Output is correct |
| 2 |
Correct |
121 ms |
25380 KB |
Output is correct |
| 3 |
Correct |
56 ms |
26728 KB |
Output is correct |
| 4 |
Correct |
50 ms |
26728 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
154 ms |
28828 KB |
Output is correct |
| 2 |
Correct |
158 ms |
30156 KB |
Output is correct |
| 3 |
Correct |
55 ms |
30884 KB |
Output is correct |
| 4 |
Correct |
136 ms |
31988 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
157 ms |
33436 KB |
Output is correct |
| 2 |
Correct |
163 ms |
34824 KB |
Output is correct |
| 3 |
Correct |
100 ms |
36552 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
239 ms |
39020 KB |
Output is correct |
