| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 775619 |
2023-07-06T16:02:39 Z |
SteGG |
Addk (eJOI21_addk) |
C++17 |
|
175 ms |
8648 KB |
//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 change[11];
//others struct or class
struct Fen{
vector<int> bit;
int sz;
Fen(){}
Fen(int _sz) : sz(_sz){
this->assign(_sz);
}
void assign(int _sz){
sz = _sz;
bit.assign(_sz + 1, 0);
}
void update(int p, int v){
for(; p <= sz; p += p & (-p)){
bit[p] += v;
}
}
int get(int p){
int result = 0;
for(; p > 0; p -= p & (-p)){
result += bit[p];
}
return result;
}
int get(int l, int r){
return get(r) - get(l - 1);
}
};
//others function
//others init
Fen prefix, increPrefix, decrePrefix;
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
open();
cin >> n >> k;
prefix.assign(n);
increPrefix.assign(n);
decrePrefix.assign(n);
for(int i = 1; i <= n; i++){
cin >> arr[i];
}
auto reverse = [&](int i){
return n + 1 - i;
};
for(int i = 1; i <= n; i++){
prefix.update(i, arr[i]);
increPrefix.update(i, i * arr[i]);
decrePrefix.update(i, reverse(i) * arr[i]);
}
auto getIncre = [&](int l, int r){
return increPrefix.get(l, r) - prefix.get(l, r) * (l - 1);
};
auto getDecre = [&](int l, int r){
return decrePrefix.get(l, r) - prefix.get(l, r) * (reverse(r) - 1);
};
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++){
int diff = arr[change[i]] - arr[change[i - 1]];
prefix.update(change[i - 1], diff);
increPrefix.update(change[i - 1], diff * change[i - 1]);
decrePrefix.update(change[i - 1], diff * reverse(change[i - 1]));
arr[change[i - 1]] = arr[change[i]];
}
int diff = first - arr[change[k]];
prefix.update(change[k], diff);
increPrefix.update(change[k], diff * change[k]);
decrePrefix.update(change[k], diff * reverse(change[k]));
arr[change[k]] = first;
}else{
int l, r, m;
cin >> l >> r >> m;
int len = r - l + 1;
int rm = len - m + 1;
if(m > rm) m = rm;
int mid = (l + r) >> 1;
int sum = getIncre(l, mid) + getDecre(mid + 1, r);
if(m < mid - l + 1){
l += m;
r -= m;
mid = (l + r) >> 1;
sum -= getIncre(l, mid) + getDecre(mid + 1, r);
}
cout << sum << endl;
}
}
return 0;
}
Compilation message
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);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
2 ms |
340 KB |
Output is correct |
| 3 |
Correct |
3 ms |
340 KB |
Output is correct |
| 4 |
Correct |
5 ms |
468 KB |
Output is correct |
| 5 |
Correct |
6 ms |
528 KB |
Output is correct |
| 6 |
Correct |
7 ms |
596 KB |
Output is correct |
| 7 |
Correct |
9 ms |
724 KB |
Output is correct |
| 8 |
Correct |
10 ms |
796 KB |
Output is correct |
| 9 |
Correct |
14 ms |
980 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
30 ms |
1236 KB |
Output is correct |
| 2 |
Correct |
44 ms |
2304 KB |
Output is correct |
| 3 |
Correct |
62 ms |
3076 KB |
Output is correct |
| 4 |
Correct |
114 ms |
5236 KB |
Output is correct |
| 5 |
Correct |
157 ms |
7372 KB |
Output is correct |
| 6 |
Correct |
145 ms |
7084 KB |
Output is correct |
| 7 |
Correct |
162 ms |
7084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
79 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
132 ms |
6380 KB |
Output is correct |
| 3 |
Correct |
168 ms |
8648 KB |
Output is correct |
| 4 |
Correct |
175 ms |
7764 KB |
Output is correct |
