/*
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*/
#include <bits/stdc++.h>
//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#pragma GCC target("avx,tune=native")
//float __attribute__((aligned(32)))
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
int mysqrt(ll x){
int l = 0, r = 1e9 + 1;
while (r - l > 1){
int m = (l + r) / 2;
if (m * (ll)m <= x)
l = m;
else
r = m;
}
return l;
}
mt19937 rnd(1337);
ll AR = 19, BR = 13, CR = 23, XR = 228, YR = 322, MODR = 1e9 + 993;
ll myrand(){
ll ZR = (XR * AR + YR * BR + CR) % MODR;
XR = YR;
YR = ZR;
return ZR;
}
const int Mod = 1e9 + 7;
int bpow(int x, int y){
if (y == 0)
return 1;
if (y == 1)
return x;
int ret = bpow(x, y >> 1);
ret = (ret * (ll)ret) % Mod;
if (y & 1)
ret = (ret * (ll)x) % Mod;
return ret;
}
int bdiv(int x, int y){
return (x * (ll)bpow(y, Mod - 2)) % Mod;
}
void setmin(int &x, int y){
x = min(x, y);
}
void setmax(int &x, int y){
x = max(x, y);
}
const ll llinf = 1e18 + 100;
const int maxn = 1e5 + 100, maxw = 1e6 + 100, inf = 2e9 + 100, sq = 300, mod = 1e9 + 7, LG = 17;
int n, zap;
int fen[maxw];
int a[maxn];
void inc(int i, int v){
for (; i < maxw; i = (i | (i + 1)))
fen[i] += v;
}
int get(int i){
int ret = 0;
for (; i >= 0; i = (i & (i + 1)) - 1)
ret += fen[i];
return ret;
}
int main()
{
#ifdef ONPC
//ifstream cin("a.in");
//ofstream cout("a.out");
freopen("a.in", "r", stdin);
freopen("a.out", "w", stdout);
#else
//ifstream cin("money.in");
//ofstream cout("money.out");
//freopen("money.in", "r", stdin);
//freopen("money.out", "w", stdout);
#endif // ONPC
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> zap;
for (int i = 0; i < n; i++){
cin >> a[i];
if (i)
inc(min(a[i], a[i - 1]), 1), inc(max(a[i], a[i - 1]), -1);
}
while (zap--){
int t;
cin >> t;
if (t == 1){
int id, v;
cin >> id >> v;
id--;
if (id)
inc(min(a[id], a[id - 1]), -1), inc(max(a[id], a[id - 1]), 1);
if (id < n - 1)
inc(min(a[id], a[id + 1]), -1), inc(max(a[id], a[id + 1]), 1);
a[id] = v;
if (id)
inc(min(a[id], a[id - 1]), 1), inc(max(a[id], a[id - 1]), -1);
if (id < n - 1)
inc(min(a[id], a[id + 1]), 1), inc(max(a[id], a[id + 1]), -1);
}
else{
int v;
cin >> v;
cout << get(v) << '\n';
}
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 2 |
Correct |
3 ms |
6476 KB |
Output is correct |
| 3 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 4 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 5 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 6 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 7 |
Correct |
0 ms |
6476 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 2 |
Correct |
3 ms |
6476 KB |
Output is correct |
| 3 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 4 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 5 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 6 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 7 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 8 |
Runtime error |
19 ms |
6476 KB |
Execution killed because of forbidden syscall writev (20) |
| 9 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 2 |
Correct |
3 ms |
6476 KB |
Output is correct |
| 3 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 4 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 5 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 6 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 7 |
Correct |
0 ms |
6476 KB |
Output is correct |
| 8 |
Runtime error |
19 ms |
6476 KB |
Execution killed because of forbidden syscall writev (20) |
| 9 |
Halted |
0 ms |
0 KB |
- |
