Submission #775588

#	Time	Username	Problem	Language	Result	Execution time	Memory
775588		SteGG	Addk (eJOI21_addk)	C++17	36 / 100	2082 ms	1124 KiB

Main

//Judges with GCC >= 12 only needs Ofast
//#pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
//MLE optimization
//#pragma GCC optimize("conserve-stack")
//Old judges
//#pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
//New judges. Test with assert(__builtin_cpu_supports("avx2"));
//#pragma GCC target("arch=skylake")
//Atcoder
//#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
//using namespace __gnu_pbds;

//template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

//write variables and debug
#define bugf cout << "Here" << endl
#define bug(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
#define bugarr(arr,...) cout << #arr; _dbg_arr(arr, __VA_ARGS__)

template<class T, class U>
ostream& operator<<(ostream& output, const pair<T, U> &A){
	output << "(" << A.first << ", " << A.second <<  ")";
	return output;
}

template <class T>
ostream& operator<<(ostream& output, const vector<T> &arr){
	int n = arr.size();
	output << "[";
	for(int i = 0; i < n; i++){
		output << arr[i];
		if(i != n - 1) output << ", ";
	}
	output << "]";
	return output;
}

template<class T>
ostream& operator<<(ostream& output, const set<T> &s){
	output << "{";
	for(auto it = s.begin(); it != s.end(); it++){
		if(it != s.begin()) output << ", ";
		output << (*it);
	}
	output << "}";
	return output;
}

template<class T, class U>
ostream& operator<<(ostream& output, const map<T, U> &m){
	output << "{";
	for(auto it = m.begin(); it != m.end(); it++){
		if(it != m.begin()) output << ", ";
		output << "(" << it->first << " : " << it->second << ")";
	}
	output << "}";
	return output;
}

template<class TH>
void _dbg(const char *sdbg, TH h){
	cout << sdbg << " = " << h << endl;
}

template<class TH, class... TA>
void _dbg(const char *sdbg, TH h, TA... a) {
	while(*sdbg != ',')cout << *sdbg++;
	cout << " = " << h << "\n";
	_dbg(sdbg+1, a...);
}

template<class _Arr, class _Index>
void _dbg_arr(_Arr arr, _Index index){
	cout << '[' << index << "] = " << arr[index] << endl;
}

template<class _Arr, class _Index, class... TA>
void _dbg_arr(_Arr &arr, _Index index, TA... args){
	cout << '[' << index << ']';
	_dbg_arr(arr[index], args...);
}

//open file
#define taskname "" //name input and output file

#ifdef SteGG
void open(){
	if(fopen("input.inp", "r")){
		freopen("input.inp", "r", stdin);
		freopen("output.out", "w", stdout);
	}
}
#else
void open(){
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
		freopen(taskname".out", "w", stdout);
	}
}
#endif

//initialize
#define testcase \
	long long test; \
	cin >> test; \
	for(int tst = 1; tst <= test; tst++)
#define int long long
#define MOD 1000000007
#define FFTMOD (119 << 23 | 1)
#define EPSILON 1e-9
#define setpre(x) fixed << setprecision(x)
#define cd complex<double>
#define all(x) x.begin(), x.end()

const long long INF = 3e18L + 5;
const int inf = 1e9 + 7;
const double infd = 1e60;
const double PI = acos(-1);
const int maxn = 1e5 + 5;
//const int base = ;
int n, k;
int arr[maxn];
int q;
int bit[maxn];
int change[11];

//others struct or class

//others function

//others init

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	open();
	cin >> n >> k;
	for(int i = 1; i <= n; i++){
		cin >> arr[i];
	}

	auto update = [&](int p, int v){
		for(; p <= n; p += p & (-p)){
			bit[p] += v;
		}
	};

	auto get = [&](int p){
		int result = 0;
		for(; p > 0; p -= p & (-p)){
			result += bit[p];
		}
		return result;
	};

	auto range = [&](int l, int r){
		return get(r) - get(l - 1);
	};

	for(int i = 1; i <= n; i++){
		update(i, arr[i]);
	}

	cin >> q;
	while(q--){
		int type;
		cin >> type;
		if(type == 1){
			for(int i = 1; i <= k; i++){
				cin >> change[i];
			}
			int first = arr[change[1]];
			for(int i = 2; i <= k; i++){
				// bug(range(change[i - 1], change[i - 1]));
				update(change[i - 1], -arr[change[i - 1]]);
				// bug(range(change[i - 1], change[i - 1]));
				update(change[i - 1], arr[change[i]]);
				// bug(range(change[i - 1], change[i - 1]));
				arr[change[i - 1]] = arr[change[i]];
			}
			update(change[k], -arr[change[k]]);
			update(change[k], first);
			arr[change[k]] = first;
		}else{
			int l, r, m;
			cin >> l >> r >> m;
			int len = r - l + 1;
			int limit = sqrt(len) + 1;
			if(m > limit){
				int result = 0;
				for(int i = l; i <= r - m + 1; i++){
					result += range(i, i + m - 1);
				}
				cout << result << endl;
			}else{
				int ptr_m = 1;
				int result = 0;
				while(ptr_m < m){
					result += (arr[l] + arr[r]) * ptr_m;
					ptr_m++;
					l++, r--;
				}
				result += range(l, r) * m;
				cout << result << endl;
			}
		}
	}

	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void open()':
Main.cpp:101:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  101 |   freopen(taskname".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:102:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  102 |   freopen(taskname".out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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