Submission #774970

#	Time	Username	Problem	Language	Result	Execution time	Memory
774970		vjudge1	Addk (eJOI21_addk)	C++17	0 / 100	24 ms	1900 KiB

Main

//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("bmi,bmi2,lzcnt,popcnt")
//#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
//#pragma expected_value
//#pragma isolated_call
//#pragma disjoint

#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>

//using namespace __gnu_pbds;
using namespace std;

#define int long long
//#define double long double
#define Fi first
#define Se second
#define Rep(i,a,b) for (int i=a;i<=b;++i)
#define Repu(i,b,a) for (int i=b;i>=a;--i)
#define pb push_back
#define ms(a,i) memset(a,i,sizeof(a))
#define sz size()
#define mp make_pair
#define endl '\n'
#define sef setprecision(6)<<fixed
#define cer cout<<"cak"<<endl;

typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<double> va;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef vector<va> vva;

//const double EPS=1e-9;
const double PI=acos(-1);
const long long oo=1e18;
const int MN=1e6+5;
const int mod=1e9+7;

using cd=complex<double>;

//typedef tree<int,null_type,less<int>,rb_tree_tag, tree_order_statistics_node_update> index_set;

int n,k,q;
int a[MN];

int pre[MN];
int sum[MN];

int doi[15];

int calc1(int l,int r) {
	if(l>r) return 0;
	return pre[r] - pre[l-1] - (l-1)*(sum[r]-sum[l-1]); 
}

int calc2(int l,int r) {
	if(l>r) return 0;
	return (r+1)*(sum[r]-sum[l-1]) - (pre[r]-pre[l-1]);
}

int calc3(int l,int r) {
	if(l>r) return 0;
	return sum[r] - sum[l-1];
}

signed main() {
  	//freopen(".inp","r",stdin); freopen(".out","w",stdout);
  	
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	cin>>n>>k;
	Rep(i,1,n) cin>>a[i];
	Rep(i,1,n) {
		pre[i] = pre[i-1] + i*a[i];
		sum[i] = sum[i-1] + a[i];
	}

	cin>>q;

	while(q--) {
		int type;
		cin>>type;
		if(type==1) {
			Rep(i,1,k) cin>>doi[i];
		}
		else {
			int l,r,m; cin>>l>>r>>m;
			int dr=min((l+r)/2,l+m-2);
			int tl=max((l+r+1)/2,r-m+2);
			if(dr==tl) tl++;
			int sum = calc1(l,dr) + calc2(tl,r) + calc3(tl+1,dr-1)*m;

			cout<<sum<<endl;
		}
	}
}

• Subtask 1: 0 / 36
• Subtask 2: 0 / 56
• Subtask 3: 0 / 8