#include<bits/stdc++.h>
#define pb push_back
#define int long long
#define vi vector<int>
#define vvi vector<vector<int>>
#define vll vector<long long int>
#define vvll vector<vector<long long int>>
#define pii pair<int, int>
#define vpii vector<pair<int, int>>
#define vc vector<char>
#define vvc vector<vector<char>>
#define vb vector<bool>
#define mii map<int,int>
#define mll map<long long int, long long int>
#define mivi map<int,vector<int>>
#define f0r(i,n) for(int i=0;i<n;i++)
#define FOR(i,k,n) for(int i=k;i<n;i++)
using namespace std;
signed main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
//ifstream cin(".in");
//ofstream cout(".out");
int n;
cin>>n;
vi w(n);
f0r(i,n)cin>>w[i];
int q;
cin>>q;
while(q--){
int type;
cin>>type;
if(type == 1){
int k,x;
cin>>k>>x;
k--;
w[k] = x;
}
else{
int l, r;
cin>>l>>r;
l--;
r--;
int m = r - l + 1;
vi v(m);
for(int i = l; i <= r; i++){
v[i - l] = w[i];
}
int ans = 0;
f0r(i,m){
pii t = {i, i};
int s = v[i];
int sz = 1;
while(sz != m){
if(t.first == 0){
if(v[t.second + 1] > s)break;
else{
t.second++;
sz++;
s += v[t.second];
}
}
else if(t.second == 0){
if(v[t.first - 1] > s)break;
else{
t.first--;
sz++;
s += v[t.first];
}
}
else{
if(v[t.second + 1] <= s){
t.second++;
sz++;
s += v[t.second];
}
else if(v[t.first - 1] <= s){
t.first--;
sz++;
s += v[t.first];
}
else{
break;
}
}
}
if(sz == m)ans++;
}
cout<<ans<<'\n';
}
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Incorrect |
2 ms |
348 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
395 ms |
2396 KB |
Output is correct |
3 |
Incorrect |
39 ms |
2140 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Incorrect |
2 ms |
348 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
395 ms |
2396 KB |
Output is correct |
3 |
Incorrect |
39 ms |
2140 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
395 ms |
2396 KB |
Output is correct |
3 |
Incorrect |
39 ms |
2140 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Incorrect |
2 ms |
348 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |