#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pb push_back
#define ff first
#define ss second
int a[200100];
ll pref[200100];
int ok[200100];
void solve(){
int n;
cin>>n;
for(int i=1; i<=n; i++){
cin>>a[i];
pref[i] = pref[i - 1] + a[i];
}
int t;
cin>>t;
while(t--){
int c;
cin>>c;
if(c == 1){
int x, y;
cin>>x>>y;
a[x] = y;
for(int i=1; i<=n; i++){
pref[i] = pref[i - 1] + a[i];
}
}
else{
int l, r;
cin>>l>>r;
set<int> pos;
vector<pii> d;
int mx = 0;
for(int i=l; i<=r; i++){
d.pb({a[i], i});
ok[i] = 0;
mx = max(a[i], mx);
}
sort(d.begin(), d.end(), greater<pii>());
for(pii h: d){
if(h.ff == mx){
ok[h.ss] = 1;
pos.insert(h.ss);
continue;
}
int L, R;
auto it = pos.lower_bound(h.ss);
if(it == pos.begin()){
L = l;
}
else{
it--;
L = *it + 1;
it++;
}
if(it == pos.end()){
R = r;
}
else{
R = *it - 1;
}
ll sum = pref[R] - pref[L - 1];
if(L > l and ok[L-1] and sum >= a[L-1]) ok[h.ss] = 1;
if(R < r and ok[R+1] and sum >= a[R+1]) ok[h.ss] = 1;
pos.insert(h.ss);
}
int res = 0;
for(int i=l; i<=r; i++) res += ok[i];
cout<<res<<'\n';
}
}
}
signed main(){
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
4 ms |
348 KB |
Output is correct |
6 |
Correct |
12 ms |
348 KB |
Output is correct |
7 |
Correct |
4 ms |
348 KB |
Output is correct |
8 |
Correct |
9 ms |
348 KB |
Output is correct |
9 |
Correct |
15 ms |
348 KB |
Output is correct |
10 |
Correct |
6 ms |
348 KB |
Output is correct |
11 |
Correct |
18 ms |
348 KB |
Output is correct |
12 |
Correct |
4 ms |
348 KB |
Output is correct |
13 |
Correct |
14 ms |
500 KB |
Output is correct |
14 |
Correct |
4 ms |
348 KB |
Output is correct |
15 |
Correct |
8 ms |
348 KB |
Output is correct |
16 |
Correct |
14 ms |
348 KB |
Output is correct |
17 |
Correct |
7 ms |
348 KB |
Output is correct |
18 |
Correct |
14 ms |
348 KB |
Output is correct |
19 |
Correct |
8 ms |
348 KB |
Output is correct |
20 |
Correct |
34 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
49 ms |
7884 KB |
Output is correct |
3 |
Correct |
41 ms |
7620 KB |
Output is correct |
4 |
Correct |
50 ms |
7876 KB |
Output is correct |
5 |
Correct |
34 ms |
7628 KB |
Output is correct |
6 |
Correct |
63 ms |
8388 KB |
Output is correct |
7 |
Correct |
33 ms |
7620 KB |
Output is correct |
8 |
Correct |
58 ms |
8392 KB |
Output is correct |
9 |
Correct |
34 ms |
7632 KB |
Output is correct |
10 |
Correct |
45 ms |
7876 KB |
Output is correct |
11 |
Correct |
34 ms |
7624 KB |
Output is correct |
12 |
Correct |
36 ms |
7620 KB |
Output is correct |
13 |
Correct |
37 ms |
7620 KB |
Output is correct |
14 |
Correct |
43 ms |
7876 KB |
Output is correct |
15 |
Correct |
44 ms |
7872 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
4 ms |
348 KB |
Output is correct |
6 |
Correct |
12 ms |
348 KB |
Output is correct |
7 |
Correct |
4 ms |
348 KB |
Output is correct |
8 |
Correct |
9 ms |
348 KB |
Output is correct |
9 |
Correct |
15 ms |
348 KB |
Output is correct |
10 |
Correct |
6 ms |
348 KB |
Output is correct |
11 |
Correct |
18 ms |
348 KB |
Output is correct |
12 |
Correct |
4 ms |
348 KB |
Output is correct |
13 |
Correct |
14 ms |
500 KB |
Output is correct |
14 |
Correct |
4 ms |
348 KB |
Output is correct |
15 |
Correct |
8 ms |
348 KB |
Output is correct |
16 |
Correct |
14 ms |
348 KB |
Output is correct |
17 |
Correct |
7 ms |
348 KB |
Output is correct |
18 |
Correct |
14 ms |
348 KB |
Output is correct |
19 |
Correct |
8 ms |
348 KB |
Output is correct |
20 |
Correct |
34 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
344 KB |
Output is correct |
22 |
Correct |
49 ms |
7884 KB |
Output is correct |
23 |
Correct |
41 ms |
7620 KB |
Output is correct |
24 |
Correct |
50 ms |
7876 KB |
Output is correct |
25 |
Correct |
34 ms |
7628 KB |
Output is correct |
26 |
Correct |
63 ms |
8388 KB |
Output is correct |
27 |
Correct |
33 ms |
7620 KB |
Output is correct |
28 |
Correct |
58 ms |
8392 KB |
Output is correct |
29 |
Correct |
34 ms |
7632 KB |
Output is correct |
30 |
Correct |
45 ms |
7876 KB |
Output is correct |
31 |
Correct |
34 ms |
7624 KB |
Output is correct |
32 |
Correct |
36 ms |
7620 KB |
Output is correct |
33 |
Correct |
37 ms |
7620 KB |
Output is correct |
34 |
Correct |
43 ms |
7876 KB |
Output is correct |
35 |
Correct |
44 ms |
7872 KB |
Output is correct |
36 |
Correct |
3369 ms |
7932 KB |
Output is correct |
37 |
Execution timed out |
4065 ms |
7536 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
49 ms |
7884 KB |
Output is correct |
3 |
Correct |
41 ms |
7620 KB |
Output is correct |
4 |
Correct |
50 ms |
7876 KB |
Output is correct |
5 |
Correct |
34 ms |
7628 KB |
Output is correct |
6 |
Correct |
63 ms |
8388 KB |
Output is correct |
7 |
Correct |
33 ms |
7620 KB |
Output is correct |
8 |
Correct |
58 ms |
8392 KB |
Output is correct |
9 |
Correct |
34 ms |
7632 KB |
Output is correct |
10 |
Correct |
45 ms |
7876 KB |
Output is correct |
11 |
Correct |
34 ms |
7624 KB |
Output is correct |
12 |
Correct |
36 ms |
7620 KB |
Output is correct |
13 |
Correct |
37 ms |
7620 KB |
Output is correct |
14 |
Correct |
43 ms |
7876 KB |
Output is correct |
15 |
Correct |
44 ms |
7872 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Execution timed out |
4088 ms |
7624 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
49 ms |
7884 KB |
Output is correct |
3 |
Correct |
41 ms |
7620 KB |
Output is correct |
4 |
Correct |
50 ms |
7876 KB |
Output is correct |
5 |
Correct |
34 ms |
7628 KB |
Output is correct |
6 |
Correct |
63 ms |
8388 KB |
Output is correct |
7 |
Correct |
33 ms |
7620 KB |
Output is correct |
8 |
Correct |
58 ms |
8392 KB |
Output is correct |
9 |
Correct |
34 ms |
7632 KB |
Output is correct |
10 |
Correct |
45 ms |
7876 KB |
Output is correct |
11 |
Correct |
34 ms |
7624 KB |
Output is correct |
12 |
Correct |
36 ms |
7620 KB |
Output is correct |
13 |
Correct |
37 ms |
7620 KB |
Output is correct |
14 |
Correct |
43 ms |
7876 KB |
Output is correct |
15 |
Correct |
44 ms |
7872 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Execution timed out |
4051 ms |
8392 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
4 ms |
348 KB |
Output is correct |
6 |
Correct |
12 ms |
348 KB |
Output is correct |
7 |
Correct |
4 ms |
348 KB |
Output is correct |
8 |
Correct |
9 ms |
348 KB |
Output is correct |
9 |
Correct |
15 ms |
348 KB |
Output is correct |
10 |
Correct |
6 ms |
348 KB |
Output is correct |
11 |
Correct |
18 ms |
348 KB |
Output is correct |
12 |
Correct |
4 ms |
348 KB |
Output is correct |
13 |
Correct |
14 ms |
500 KB |
Output is correct |
14 |
Correct |
4 ms |
348 KB |
Output is correct |
15 |
Correct |
8 ms |
348 KB |
Output is correct |
16 |
Correct |
14 ms |
348 KB |
Output is correct |
17 |
Correct |
7 ms |
348 KB |
Output is correct |
18 |
Correct |
14 ms |
348 KB |
Output is correct |
19 |
Correct |
8 ms |
348 KB |
Output is correct |
20 |
Correct |
34 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
344 KB |
Output is correct |
22 |
Correct |
49 ms |
7884 KB |
Output is correct |
23 |
Correct |
41 ms |
7620 KB |
Output is correct |
24 |
Correct |
50 ms |
7876 KB |
Output is correct |
25 |
Correct |
34 ms |
7628 KB |
Output is correct |
26 |
Correct |
63 ms |
8388 KB |
Output is correct |
27 |
Correct |
33 ms |
7620 KB |
Output is correct |
28 |
Correct |
58 ms |
8392 KB |
Output is correct |
29 |
Correct |
34 ms |
7632 KB |
Output is correct |
30 |
Correct |
45 ms |
7876 KB |
Output is correct |
31 |
Correct |
34 ms |
7624 KB |
Output is correct |
32 |
Correct |
36 ms |
7620 KB |
Output is correct |
33 |
Correct |
37 ms |
7620 KB |
Output is correct |
34 |
Correct |
43 ms |
7876 KB |
Output is correct |
35 |
Correct |
44 ms |
7872 KB |
Output is correct |
36 |
Correct |
3369 ms |
7932 KB |
Output is correct |
37 |
Execution timed out |
4065 ms |
7536 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |