/*
DEATH-MATCH
Davit-Marg
*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <iterator>
#include <ctype.h>
#include <stdlib.h>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
using namespace std;
int n, m,a[100005],t[4*1000006];
void update(int v,int l,int r,int p,int val)
{
if (l == r)
{
t[v] += val;
return;
}
int m = (l + r) / 2;
if (p <= m)
update(v * 2, l, m, p, val);
else
update(v * 2 + 1, m + 1, r, p, val);
t[v] = t[v * 2] + t[v * 2 + 1];
}
int query(int v,int l,int r,int i,int j)
{
if (i == l && r == j)
return t[v];
int m = (l + r) / 2;
if (j <= m)
return query(v * 2, l, m, i, j);
else if(i>=i+1)
return query(v * 2+1, m+1, r, i, j);
else
return query(v * 2, l, m, i, m)+ query(v * 2 + 1, m + 1, r, m+1, j);
}
int main()
{
cin >> n >> m;
for (int i = 0; i < n; i++)
cin >> a[i];
for (int i = 1; i < n; i++)
if (a[i - 1] < a[i])
{
update(1,0,1000000,a[i-1],1);
update(1,0,1000000,a[i],-1);
}
else if (a[i - 1] > a[i])
{
update(1, 0, 1000000, a[i], 1);
update(1, 0, 1000000, a[i - 1], -1);
}
for (int j = 0; j < m; j++)
{
int t;
cin >> t;
if (t == 1)
{
int p, v;
cin >> p >> v; p--;
for (int i = max(1, p); i < min(n, p + 2); i++)
if (a[i - 1] < a[i])
{
update(1, 0, 1000000, a[i - 1], -1);
update(1, 0, 1000000, a[i], 1);
}
else if (a[i - 1] > a[i])
{
update(1, 0, 1000000, a[i], -1);
update(1, 0, 1000000, a[i - 1], 1);
}
a[p] = v;
for (int i = max(1, p); i < min(n, p + 2); i++)
if (a[i - 1] < a[i])
{
update(1, 0, 1000000, a[i - 1], 1);
update(1, 0, 1000000, a[i], -1);
}
else if (a[i - 1] > a[i])
{
update(1, 0, 1000000, a[i], 1);
update(1, 0, 1000000, a[i - 1], -1);
}
}
else
{
int h;
cin >> h;
cout << query(1, 0, 1000000, 0, h) << endl;
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
10 ms |
7420 KB |
Output is correct |
3 |
Correct |
10 ms |
7420 KB |
Output is correct |
4 |
Correct |
9 ms |
7488 KB |
Output is correct |
5 |
Correct |
10 ms |
7560 KB |
Output is correct |
6 |
Correct |
10 ms |
7616 KB |
Output is correct |
7 |
Correct |
5 ms |
7616 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
10 ms |
7420 KB |
Output is correct |
3 |
Correct |
10 ms |
7420 KB |
Output is correct |
4 |
Correct |
9 ms |
7488 KB |
Output is correct |
5 |
Correct |
10 ms |
7560 KB |
Output is correct |
6 |
Correct |
10 ms |
7616 KB |
Output is correct |
7 |
Correct |
5 ms |
7616 KB |
Output is correct |
8 |
Correct |
214 ms |
7616 KB |
Output is correct |
9 |
Correct |
301 ms |
12464 KB |
Output is correct |
10 |
Correct |
308 ms |
13964 KB |
Output is correct |
11 |
Correct |
199 ms |
13964 KB |
Output is correct |
12 |
Correct |
252 ms |
13964 KB |
Output is correct |
13 |
Correct |
247 ms |
13964 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
10 ms |
7420 KB |
Output is correct |
3 |
Correct |
10 ms |
7420 KB |
Output is correct |
4 |
Correct |
9 ms |
7488 KB |
Output is correct |
5 |
Correct |
10 ms |
7560 KB |
Output is correct |
6 |
Correct |
10 ms |
7616 KB |
Output is correct |
7 |
Correct |
5 ms |
7616 KB |
Output is correct |
8 |
Correct |
214 ms |
7616 KB |
Output is correct |
9 |
Correct |
301 ms |
12464 KB |
Output is correct |
10 |
Correct |
308 ms |
13964 KB |
Output is correct |
11 |
Correct |
199 ms |
13964 KB |
Output is correct |
12 |
Correct |
252 ms |
13964 KB |
Output is correct |
13 |
Correct |
247 ms |
13964 KB |
Output is correct |
14 |
Correct |
340 ms |
16184 KB |
Output is correct |
15 |
Correct |
348 ms |
16184 KB |
Output is correct |
16 |
Correct |
355 ms |
16440 KB |
Output is correct |
17 |
Correct |
359 ms |
16440 KB |
Output is correct |
18 |
Correct |
336 ms |
16440 KB |
Output is correct |