oj.uz

Submission #1008202

# Submission time Handle Problem Language Result Execution time Memory
1008202 2024-06-26T08:23:27 Z modwwe Kpart (eJOI21_kpart) C++17
100 / 100
 189 ms 652 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 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=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(),down
}
int a[1001];
int b[1001];
int dp[50001];
bool c[1001];
void phongbeo()
 {
     cin>>n;
     s2=0;
 for(int i=1;i<=n;i++)
     cin>>a[i],s2+=a[i],b[i]=b[i-1]+a[i],c[i]=0;
    for(int j=0;j<=s2/2;j++)
    dp[j]=0;
  for(int i=1;i<=n;i++)
  {
      for(int j=s2/2;j>a[i];--j)
      {
          dp[j]=max(dp[j-a[i]],dp[j]);
      }
      dp[a[i]]=i;
      for(int j=i-1;j>=1;--j)
      {
          s3=b[i]-b[j-1];
           if(s3%2!=0){c[i-j+1]=1; continue;}
           s3/=2;
            if(dp[s3]<j) {c[i-j+1]=1; if(i-j+1==2)  continue;}
      }
  }
  dem=0;
  for(int i=2;i<=n;i++)
    if(!c[i])
 dem++;
 cout<<dem<<" ";
  for(int i=2;i<=n;i++)
    if(!c[i])
 cout<<i<<" ";
 }

Compilation message

Main.cpp:19:15: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   19 | const int inf=1e18;
      |               ^~~~
Main.cpp:47:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   47 | main()
      | ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 3 ms 348 KB Output is correct

Subtask #3
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 348 KB Output is correct
2 Correct 28 ms 556 KB Output is correct
3 Correct 33 ms 348 KB Output is correct
4 Correct 59 ms 588 KB Output is correct
5 Correct 128 ms 640 KB Output is correct
6 Correct 189 ms 652 KB Output is correct
7 Correct 162 ms 600 KB Output is correct