#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3")
#define int long long
#define ll long long
#define endl "\n"
#define vi vector<int>
#define vpii vector<pair<int,int> >
#define umap unordered_map
#define uset unordered_set
#define mk make_pair
#define pb push_back
//#define pop pop_back
#define all(x) x.begin(),x.end()
#define allr(x) x.rbegin(),x.rend()
#define read(x) for (auto& zu: (x)) cin >> zu;
#define F first
#define S second
#define mustawa ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr)
#define pii pair<int,int>
#define mishari main
const int inf=1e9+7;
void fa(bool ok){ cout << (ok ? "Yes": "No") << "\n";}
void usaco(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
int n;
int N=1<<((int)ceil(log2(2e5)));
vi tree(2*N);
int f(int l,int r,int cl=0,int cr=N-1,int i=1){
if(cl>r||cr<l)return 0;
else if(cl>=l&&cr<=r){
return tree[i];
}int md=(cl+cr)/2;
return f(l,r,cl,md,i*2)+f(l,r,md+1,cr,i*2+1);
}
void update(int i,int x){
int j=N+i;
tree[j]=x;
while(j/=2){
tree[j]=tree[j*2]+tree[j*2+1];
}
}
void solve() {
int q,k;
cin>>n>>q>>k;
for(int i=0;i<n;++i){
cin>>tree[N+i];
}
for(int i=N;--i;){
tree[i]=tree[i*2]+tree[i*2+1];
}while(q--){
int a,b,c;
cin>>a>>b>>c;
if(a==1)update(b-1,c);
else if(a==3) cout<<f(b-1,c-1)<<endl;
}
}
signed mishari() {
mustawa;
//usaco("");
int t = 1;
//cin>>t;
while (t--)solve();
}
Compilation message
sterilizing.cpp: In function 'void usaco(std::string)':
sterilizing.cpp:25:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
25 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp:26:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
26 | freopen((s + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
33 ms |
4956 KB |
Output is correct |
2 |
Correct |
31 ms |
6560 KB |
Output is correct |
3 |
Correct |
27 ms |
6492 KB |
Output is correct |
4 |
Correct |
33 ms |
6992 KB |
Output is correct |
5 |
Correct |
38 ms |
7248 KB |
Output is correct |
6 |
Correct |
38 ms |
7384 KB |
Output is correct |
7 |
Correct |
38 ms |
7388 KB |
Output is correct |
8 |
Correct |
38 ms |
7256 KB |
Output is correct |
9 |
Correct |
35 ms |
7248 KB |
Output is correct |
10 |
Correct |
36 ms |
7260 KB |
Output is correct |
11 |
Correct |
35 ms |
7112 KB |
Output is correct |
12 |
Correct |
35 ms |
7252 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
14 ms |
4628 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
25 ms |
4648 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |