Submission #1086325

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1086325	2024-09-10 07:47:38	modwwe	Synchronization (JOI13_synchronization)	C++17	100 / 100	166 ms	22120 KiB

synchronization

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#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
//#define int long long
//#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".ans","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
    char c = getchar_unlocked();
    int x = 0;
    while(c<'0'||c>'9')
    {
        c=getchar_unlocked();
    }
    while(c>='0'&&c<='9')
    {
        x=(x<<1)+(x<<3)+c-'0';
        c=getchar_unlocked();
 
 
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Compilation message (stderr)

synchronization.cpp:67:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   67 | main()
      | ^~~~
synchronization.cpp: In member function 'void fenwick::upd(int, int, int)':
synchronization.cpp:103:13: warning: statement has no effect [-Wunused-value]
  103 |         for(x; x<=n; x+=x&-x)
      |             ^
synchronization.cpp:107:13: warning: statement has no effect [-Wunused-value]
  107 |         for(x; x<=n; x+=x&-x)
      |             ^
synchronization.cpp: In member function 'int fenwick::get(int)':
synchronization.cpp:113:13: warning: statement has no effect [-Wunused-value]
  113 |         for(x; x; x-=x&-x) s+=bit[x];
      |             ^

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40