Submission #1022451

#	Time	Username	Problem	Language	Result	Execution time	Memory
1022451		modwwe	Worst Reporter 3 (JOI18_worst_reporter3)	C++17	100 / 100	350 ms	5452 KiB

worst_reporter3

//https://www.instagram.com/_modwwe/
#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2")
#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;
void phongbeo();
const int inf=1e18;
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    int a,b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e,f;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int  i,s10,s12;
int el=29;
 main()
{
#ifndef ONLINE_JUDGE
///  fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    //  modwwe
    phongbeo();
}
int b[500001];
int check(int x,int y)
 {
     int s=y-y%b[x];
     s-=x;
      return s ;
 }
int get(int x,int y)
{
     int l=1;
      int r=n;
       while(l<=r)
       {
           int mid=l+r>>1;
            if(check(mid,y)>=x)l=mid+1;
            else r=mid-1;
       }
    if(y>=x) l++;
       return l-1;
}
void phongbeo()
{
     cin>>n>>m;
  for(int i=1;i<=n;i++)
     cin>>b[i];
      for(int i=2;i<=n;i++)
      {
           s3=b[i]/b[i-1];
           if(b[i]%b[i-1]!=0)s3++;
           b[i]=b[i-1]*s3;
      }
      while(m--)
      {
          cin>>s2>>l>>r;
          cout<<get(l,s2)-get(r+1,s2),down
      }
}

Compilation message (stderr)

worst_reporter3.cpp:20:15: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   20 | const int inf=1e18;
      |               ^~~~
worst_reporter3.cpp:48:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 |  main()
      |  ^~~~
worst_reporter3.cpp: In function 'int get(int, int)':
worst_reporter3.cpp:71:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   71 |            int mid=l+r>>1;
      |                    ~^~

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 81 / 81