Submission #954106

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
954106	2024-03-27 09:38:35	Beerus13	Index (COCI21_index)	C++14	110 / 110	696 ms	48516 KiB

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 2e5 + 5;
const int K = 20;
const int inf = 1e9;
struct node {
    int x, l, r;
    node(int x = 0) {}
    node(int x, int l, int r) : x(x), l(l), r(r) {}
};
int n, q, a[N], nNode, nver, ver[N];
node st[N * K];
void refine(int cur) {
    st[cur].x = st[st[cur].l].x + st[st[cur].r].x;
}
int update(int pos, int val, int old, int l = 1, int r = N - 1) {
    int cur = ++nNode;
    if(l == r) {
        st[cur] = node(st[old].x + val, 0, 0);
        return cur;
    }
    int m = l + r >> 1;
    if(pos <= m) {
        st[cur].l = update(pos, val, st[old].l, l, m);
        st[cur].r = st[old].r;
 
 
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Compilation message (stderr)

index.cpp: In function 'int update(int, int, int, int, int)':
index.cpp:27:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   27 |     int m = l + r >> 1;
      |             ~~^~~
index.cpp: In function 'int get(int, int, int, int, int, int)':
index.cpp:43:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   43 |     int m = l + r >> 1;
      |             ~~^~~
index.cpp: In function 'void solve()':
index.cpp:57:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   57 |             int m = l + r >> 1;
      |                     ~~^~~
index.cpp:61:24: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   61 |         cout << ans << '\n';
      |                        ^~~~

• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50