Submission #956094

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
956094	2024-04-01 04:44:35	vjudge1	Bigger segments (IZhO19_segments)	C++17	100 / 100	317 ms	38996 KiB

segments

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#include <bits/stdc++.h>
#define getbit(i, j) ((i >> j) & 1)
#define maxn 500005
#define name "main"
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
long long GetRandom(long long l, long long r)
{
    return uniform_int_distribution<long long> (l, r)(rng);
}
int n,a[maxn],dp[maxn];
long long sum[maxn],lazy[maxn*4],mod=-1e16;
pair<long long,long long> st[maxn*4];
void build(int id,int l,int r)
{
    if(l>r) return;
    if(l==r)
    {
        st[id]={mod,l};
        return;
    }
    int mid=(l+r)/2;
    build(id*2,l,mid);
    build(id*2+1,mid+1,r);
    st[id]={mod,l};
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

segments.cpp: In function 'int main()':
segments.cpp:82:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |         freopen(name".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
segments.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(name".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 36 / 36
• Subtask 5: 27 / 27