#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
mt19937 rng(123);
#define ld long double
#define ull unsigned long long
#define ios ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define all(a) a.begin(), a.end()
#define ff first
#define ss second
#define vi vector<int>
#define vll vector<ll>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define setp(x) setprecision(x)
ll mod=1e9+7;
int inf=1e9;
const int LOGN = 20;
const int MXX=3e5;
const long double PI = 3.1415926535897932384626433832795;
int calc(deque<int> v){
int ans = 0;
int n = v.size();
for(int i = 0; i < n; i ++){
set<int> st;
for(int j = i; j < n; j ++){
st.insert(v[j]); ans += st.size();
}
}
return ans;
}
void solve(){
int n, q; cin >> n >> q;
map<int,int> mp;
for(int i = 0; i<n; i ++){
int x; cin >> x; x --;
mp[x] ++;
}
vector<pair<int,int>> v;
for(auto u : mp){
v.push_back({u.ss,u.ff});
}
sort(all(v), greater<>());
// for(auto u : v) cout << u.ff << ' ' << u.ss << endl;cout << endl;
deque<int> a;
int col = 1;
for(auto u : v){
int tem = u.ff;
if(col){
while(tem --){
a.push_back(u.ss);
}
}else{
while(tem --){
a.push_front(u.ss);
}
}
col^=1;
}
// for(auto u : a) cout << u << ' '; cout << endl;
cout << calc(a);
}
int main(){
int testcases = 1;
// cin >> testcases;
while(testcases --){
solve(); if(testcases) cout << '\n';
cout << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
308 KB |
Output is correct |
3 |
Correct |
220 ms |
380 KB |
Output is correct |
4 |
Execution timed out |
7062 ms |
1264 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
308 KB |
Output is correct |
3 |
Correct |
220 ms |
380 KB |
Output is correct |
4 |
Execution timed out |
7062 ms |
1264 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
3 ms |
308 KB |
Output is correct |
3 |
Correct |
220 ms |
380 KB |
Output is correct |
4 |
Execution timed out |
7062 ms |
1264 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
3 ms |
308 KB |
Output is correct |
13 |
Correct |
220 ms |
380 KB |
Output is correct |
14 |
Execution timed out |
7062 ms |
1264 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
3 ms |
308 KB |
Output is correct |
13 |
Correct |
220 ms |
380 KB |
Output is correct |
14 |
Execution timed out |
7062 ms |
1264 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |