oj.uz

Submission #1042757

# Submission time Handle Problem Language Result Execution time Memory
1042757 2024-08-03T10:42:04 Z modwwe Sjeckanje (COCI21_sjeckanje) C++17
110 / 110
 345 ms 42068 KB 
//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=-1e14;
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    long double a;
    int 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;

};

int n,m,s1,s2,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,l,r,mid;
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];
struct CI{
 int a,b;
    int f[2][2];
};
 int fe(CI a)
     {
          return max({a.f[0][0],a.f[0][1],a.f[1][0],a.f[1][1]});
     }
struct IT{
CI t[800001];
int t2[800001];
 CI mer(CI a,CI b)
 {
      CI c;
      for(int j=0;j<=1;j++)
        for(int z=0;z<=1;z++)
        c.f[j][z]=inf;
      for(int j=0;j<=1;j++)
        for(int z=0;z<=1;z++)
        if(a.f[j][z]!=inf)
        for(int j2=0;j2<=1;j2++)
        for(int z2=0;z2<=1;z2++)
        if(b.f[j2][z2]!=inf)
      {
          c.f[j][z2]=max(c.f[j][z2],a.f[j][z]+b.f[j2][z2]);
            if(a.b<b.a&&z!=j2&&z==1)
                c.f[j][z2]=max(c.f[j][z2],a.f[j][z]+b.f[j2][z2]+b.a-a.b);
            if(a.b>b.a&&z!=j2&&z==0)
                 c.f[j][z2]=max(c.f[j][z2],a.f[j][z]+b.f[j2][z2]+a.b-b.a);
      }
       c.a=a.a;
        c.b=b.b;
        return c;
 }
 void build(int node,int l,int r)
  {

       if(l==r)
       {
           for(int j=0;j<=1;j++)
        for(int z=0;z<=1;z++)
       t[node].f[j][z]=inf;
            for(int j=0;j<=1;j++)
            t[node].f[j][1-j]=0;
          t[node].a=a[l];
          t[node].b=a[l];
            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]);
       // cout<<fe(t[node])<<" "<<l<<" "<<r<<" "<<t[node].f[0][0],down
  }
  void ff(int x)
  {
       for(int i=x*2;i<=x*2+1;i++)
        t2[i]+=t2[x],
        t[i].a+=t2[x],
        t[i].b+=t2[x];
       t2[x]=0;
  }
  void upd(int node,int l,int r,int l1,int r1,int x)
   {
     if(l>r1||r<l1) return;
      if(l>=l1&&r<=r1)
      {
           t[node].a+=x;
           t[node].b+=x;
            t2[node]+=x;
            return;
      }
    if(t2[node]!=0)  ff(node);
     int mid=l+r>>1;
       upd(node<<1,l,mid,l1,r1,x);
       upd(node<<1|1,mid+1,r,l1,r1,x);
        t[node]=mer(t[node<<1],t[node<<1|1]);
   }

}st;

void phongbeo()
{
    cin>>n>>m;

     for(int i=1;i<=n;i++)
         cin>>a[i];
      st.build(1,1,n);
     for(int i=1;i<=m;i++)
     {cin>>l>>r>>k;
          st.upd(1,1,n,l,r,k);
          cout<<fe(st.t[1]),down
     }
 }

Compilation message

Main.cpp:51:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   51 | main()
      | ^~~~
Main.cpp: In member function 'void IT::build(long long int, long long int, long long int)':
Main.cpp:110:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  110 |        int mid=l+r>>1;
      |                ~^~
Main.cpp: In member function 'void IT::upd(long long int, long long int, long long int, long long int, long long int, long long int)':
Main.cpp:135:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  135 |      int mid=l+r>>1;
      |              ~^~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 4 ms 4700 KB Output is correct
8 Correct 4 ms 4700 KB Output is correct
9 Correct 4 ms 4908 KB Output is correct
10 Correct 6 ms 4696 KB Output is correct
11 Correct 4 ms 4700 KB Output is correct
12 Correct 3 ms 4700 KB Output is correct

Subtask #3
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 4 ms 4700 KB Output is correct
8 Correct 4 ms 4700 KB Output is correct
9 Correct 4 ms 4908 KB Output is correct
10 Correct 6 ms 4696 KB Output is correct
11 Correct 4 ms 4700 KB Output is correct
12 Correct 3 ms 4700 KB Output is correct
13 Correct 328 ms 42068 KB Output is correct
14 Correct 320 ms 40532 KB Output is correct
15 Correct 345 ms 40552 KB Output is correct
16 Correct 345 ms 42064 KB Output is correct
17 Correct 314 ms 40344 KB Output is correct
18 Correct 308 ms 41044 KB Output is correct