Submission #866185

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
866185	2023-10-25 14:48:29	TAhmed33	Izbori (COCI22_izbori)	C++98	25 / 110	103 ms	7372 KiB

Main

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 1e5 + 25;
int arr[MAXN], n;
vector <int> occ[MAXN];
vector <int> d;
struct bit { 
  int tree[2 * MAXN + 25] = {};
  void add (int pos, int val) {
    for  (; pos < 2 * MAXN + 25; pos += pos & (-pos)) tree[pos] += val;
  }
  ll get (int pos) {
    ll sum = 0; for (; pos; pos -= pos & (-pos)) sum += tree[pos];
    return sum;
  }
};
ll solve1 (int x) {
  int a[n + 1] = {}; bit cur;
  for (int i = 1; i <= n; i++) {
    a[i] = -1;
  }
  for (auto i : occ[x]) a[i] = 1;
  cur.add(MAXN, 1); 
  ll ret = 0;
  for (int i = 1; i <= n; i++) {
    a[i] += a[i - 1];
    ret += cur.get(a[i] - 1 + MAXN);
    cur.add(a[i] + MAXN, 1);
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:50:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |   if (occ[i].size() > x) sum += solve1(i);
      |       ~~~~~~~~~~~~~~^~~

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 70