Submission #1033324

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033324		modwwe	Foehn Phenomena (JOI17_foehn_phenomena)	C++17	100 / 100	265 ms	27988 KiB

foehn_phenomena

//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".out","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=998244353;
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 kk;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
 //fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    //  modwwe
    phongbeo();
}
int a[200001];
 ic t[800003];
int t2[800003];
void ff(int x)
{
     for(int i=x*2;i<=x*2+1;i++)
     t[i]={t2[x]+t[i].a,t2[x]+t[i].b,t[i].c},
        t2[i]+=t2[x];

        t2[x]=0;

}
ic mer(ic a,ic b)
{
     ic c={a.a,b.b,a.c+b.c};
      if(a.b<b.a) c.c-=dem*(b.a-a.b);
      else c.c+=dem2*(a.b-b.a);
      return c;
}
void build(int node,int l,int r)
 {
     if(l==r)
     {
         t[node]={a[l],a[l],0};
         return;
     }
     int mid=l+r>>1;
      build(node<<1,l,mid);
      build(node<<1|1,mid+1,r);
       t[node]=mer(t[node<<1],t[node<<1|1]);
 }
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]={t[node].a+c,t[node].b+c,t[node].c};
t2[node]+=c;
  return;
       }
       int mid=l+r>>1;
       if(t2[node]!=0)
    ff(node);
        upd(node<<1,l,mid,l1,r1,c);
        upd(node<<1|1,mid+1,r,l1,r1,c);
               t[node]=mer(t[node<<1],t[node<<1|1]);
 }
void phongbeo()
{
      cin>>n>>m>>dem>>dem2;
 for(int i=0;i<=n;i++)
     cin>>a[i];
       build(1,0,n);
for(int i=1;i<=m;i++)
{
    cin>>l>>r>>mx;
     upd(1,0,n,l,r,mx);
     cout<<t[1].c,down
}
}
/**
3 1 1 2
0
4
1
8
1 2 2
*/

Compilation message (stderr)

foehn_phenomena.cpp:49:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   49 | main()
      | ^~~~
foehn_phenomena.cpp: In function 'void build(long long int, long long int, long long int)':
foehn_phenomena.cpp:85:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   85 |      int mid=l+r>>1;
      |              ~^~
foehn_phenomena.cpp: In function 'void upd(long long int, long long int, long long int, long long int, long long int, long long int)':
foehn_phenomena.cpp:100:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  100 |        int mid=l+r>>1;
      |                ~^~

• Subtask 1: 30 / 30
• Subtask 2: 10 / 10
• Subtask 3: 60 / 60