#include<bits/stdc++.h>
#define x first
#define y second
#define pb push_back
#define mp make_pair
#define up_b upper_bound
#define low_b lower_bound
#define sz(x) (int)x.size()
#define all(v) v.begin(),v.end()
#define boost ios_base::sync_with_stdio(0),cin.tie(0),cout.tie()
using namespace std;
typedef unsigned long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<int,ll> pil;
typedef pair<ll,int> pli;
typedef pair<ll,ll> pll;
const ll INF = 1e18;
const int inf = INT_MAX;
const ll mod = 1e9 + 7;
const int pi = acos(-1);
const int dx[4] = {0, 1, 0, 0};
const int dy[4] = {1, 0, 0, 0};
const int N = 1e5 + 5;
const int MAXN = 1e6 + 1;
int t[4 * MAXN], a[N], z[4 * MAXN];
void push(int v, int tl, int tr){
if(z[v]){
if(tl != tr){
z[v * 2] += z[v];
z[v * 2 + 1] += z[v];
}
t[v] += z[v];
z[v] = 0;
}
}
void upd(int v, int tl, int tr, int l, int r, int val){
if(tl > r || l > tr)return;
if(l <= tl && tr <= r){
z[v] += val;
push(v, tl, tr);
return ;
}
push(v, tl, tr);
int tm = (tl + tr) / 2;
upd(v * 2, tl, tm, l, r, val);
upd(v * 2 + 1, tm + 1, tr, l, r, val);
t[v] = t[v * 2] + t[v * 2 + 1];
}
int get(int v, int tl, int tr, int pos){
push(v, tl, tr);
if(tl == tr)return t[v];
int tm = (tl + tr) / 2;
if(pos <= tm)return get(v * 2, tl, tm, pos);
else return get(v * 2 + 1, tm + 1, tr, pos);
}
int main(){
freopen("game.in", "r", stdin);
freopen("game.out", "w", stdout);
int n, m;
cin >> n >> m;
for(int i = 1; i <= n; i++){
cin >> a[i];
if(i > 1){
upd(1, 1, 1e6, min(a[i], a[i - 1]), max(a[i], a[i - 1]), 1);
}
}
while(m--){
int type, h, pos, val;
cin >> type;
if(type == 1){
cin >> pos >> val;
if(pos != 1)upd(1, 1, 1e6, min(a[pos], a[pos - 1]), max(a[pos], a[pos - 1]), -1);
if(pos != n)upd(1, 1, 1e6, min(a[pos], a[pos + 1]), max(a[pos], a[pos + 1]), -1);
a[pos] = val;
if(pos != 1)upd(1, 1, 1e6, min(a[pos], a[pos - 1]), max(a[pos], a[pos - 1]), 1);
if(pos != n)upd(1, 1, 1e6, min(a[pos], a[pos + 1]), max(a[pos], a[pos + 1]), 1);
}
else{
cin >> h;
cout << get(1, 1, 1e6, h) << endl;
}
}
}
Compilation message
game.cpp: In function 'int main()':
game.cpp:65:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen("game.in", "r", stdin);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
game.cpp:66:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen("game.out", "w", stdout);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1075 ms |
1716 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1075 ms |
1716 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1075 ms |
1716 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
