Submission #633800

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
633800	2022-08-23 09:12:14	gs14004	Swap Swap Sort (CCO21_day1problem1)	C++17	6 / 25	5087 ms	5796 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
using lint = long long;
using pi = pair<lint, lint>;
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
const int mod = 1e9 + 7;
const int MAXN = 100005;
struct bit{
  int tree[MAXN];
  void add(int x, int v){
    for(int i = x; i < MAXN; i += i & -i) tree[i] += v;
  }
  int query(int x){
    int ret = 0;
    for(int i = x; i; i -= i & -i) ret += tree[i];
    return ret;
  }
}bit;
vector<int> v[MAXN];
lint query(int x, int y){
  int j = 0;
  lint ret = 0;
  for(int i = 0; i < sz(v[y]); i++){
    while(j < sz(v[x]) && v[x][j] < v[y][i]) j++;
    ret += j;
  }
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 3 / 3
• Subtask 3: 0 / 5
• Subtask 4: 0 / 14