Submission #1110800

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1110800	2024-11-10 13:52:41	whoknow	Index (COCI21_index)	C++17	110 / 110	1368 ms	53684 KiB

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#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define MAXN 200005
#define MAXTREE 4000005
#define ii pair<int,int>
#define bit(i,j) ((i>>j)&1)
#define sz(i) (int)i.size()
#define endl '\n'
using namespace std;
int n, ntest;
int a[MAXN];
namespace sub1
{
int node, MX;
int st[MAXTREE], root[MAXN];
ii child[MAXTREE];
void update(int id, int pre, int l, int r, int u)
{
    if(l == r)
        return st[id] = st[pre] + 1, void();
    int mid = (l + r) / 2;
    node++;
    if(u <= mid)
    {
        child[id].F = node;
        child[id].S = child[pre].S;
        update(node, child[pre].F, l, mid, u);
    }
 
 
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Compilation message (stderr)

index.cpp:79:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   79 | main()
      | ^~~~
index.cpp: In function 'int main()':
index.cpp:83:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   83 |         freopen("TEST.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
index.cpp:84:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |         freopen("TEST.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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