Submission #1006675

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006675		modwwe	Fish 2 (JOI22_fish2)	C++17	13 / 100	4085 ms	7764 KiB

fish2

//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 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".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
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;
     long long 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();
}
ic t[400001];
int a[100001];

void build(int node,int l,int r)
{
     if(l==r) {t[node].a=a[l],t[node].b=l;t[node].c=a[l];return;}
     int mid=l+r>>1;
     build(node<<1,l,mid);
     build(node<<1|1,mid+1,r);
      t[node]=t[node<<1|1];
      if(t[node<<1].a>=t[node<<1|1].a)
        t[node]=t[node<<1];
        t[node].c=t[node<<1].c+t[node<<1|1].c;
}
void upd(int node,int l,int r,int l1,int r1,int c)
{
    if(l>r1||r<l1) return;
    if(l>=l1&&r<=r1) {t[node].a=c,t[node].c=c; return;}
int mid=l+r>>1;
upd(node<<1,l,mid,l1,r1,c);
upd(node<<1|1,mid+1,r,l1,r1,c);
t[node]=t[node<<1|1];
if(t[node<<1].a>=t[node<<1|1].a)
    t[node]=t[node<<1];
            t[node].c=t[node<<1].c+t[node<<1|1].c;

}
ib get(int node,int l,int r,int l1,int r1)
{
     if(l>r1||r<l1) return{0,0};
   if(l>=l1&&r<=r1) return {t[node].a,t[node].b};
     int mid=l+r>>1;
      ib ss3=get(node<<1,l,mid,l1,r1);
       ib ss4=get(node<<1|1,mid+1,r,l1,r1);
        if(ss3.a>=ss4.a) return ss3;
        else return ss4;
}
long long  get_c(int node,int l,int r,int l1,int r1)
{
     if(l>r1||r<l1) return 0;
     if(l>=l1&&r<=r1) return t[node].c;
     int mid=l+r>>1;
      return get_c(node<<1,l,mid,l1,r1)+get_c(node<<1|1,mid+1,r,l1,r1);
}
void calc(int l,int r)
{ s4++;
    if(l>=r) return ;
    ib sx=get(1,1,n,l,r);
 if(sx.b!=l)
 {
    long long s3=get_c(1,1,n,l,sx.b-1);
     if(s3>=sx.a) calc(l,sx.b-1);
 }
 if(sx.b!=r)
 {
  long long      s3=get_c(1,1,n,sx.b+1,r);
      if(s3>=sx.a) calc(sx.b+1,r);
 }
 return;
}
void phongbeo()
 {
      cin>> n;
      for(int i=1;i<=n;i++)
         cin>>a[i];
       build(1,1,n);
       cin>>m;
        for(int i=1;i<=m;i++)
        {
             cin>>l;
              if(l==1)
              {
                  cin>>l>>r;
                   upd(1,1,n,l,l,r);
              }
              else { cin>>l>>r;
                    s4=0;
                calc(l,r);
                 cout<<s4,down
                }
        }
 }

Compilation message (stderr)

fish2.cpp:47:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   47 | main()
      | ^~~~
fish2.cpp: In function 'void build(int, int, int)':
fish2.cpp:63:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   63 |      int mid=l+r>>1;
      |              ~^~
fish2.cpp:67:7: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   67 |       if(t[node<<1].a>=t[node<<1|1].a)
      |       ^~
fish2.cpp:69:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   69 |         t[node].c=t[node<<1].c+t[node<<1|1].c;
      |         ^
fish2.cpp: In function 'void upd(int, int, int, int, int, int)':
fish2.cpp:75:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   75 | int mid=l+r>>1;
      |         ~^~
fish2.cpp: In function 'ib get(int, int, int, int, int)':
fish2.cpp:88:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   88 |      int mid=l+r>>1;
      |              ~^~
fish2.cpp: In function 'long long int get_c(int, int, int, int, int)':
fish2.cpp:98:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   98 |      int mid=l+r>>1;
      |              ~^~

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 0 / 12
• Subtask 4: 0 / 23
• Subtask 5: 0 / 35
• Subtask 6: 0 / 17