/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 1e6+100, M = 1e5+10, K = 20;
int n, a[N], ans;
set<int> s;
vector<int> c;
vector<bool> rem;
void solve(){
cin >> n;
if(n >= 9e5) assert(0);
c.resize(N);
rem.resize(N);
for(int i = 0; i < n; ++i) cin >> a[i];
for(int i = 0; i < n; ++i) s.insert(a[i]), c[a[i]]++;
ans = 0;
for(int i = n - 1; i >= 0; --i){
auto it = s.find(a[i]);
ans++;
vector<int> er;
while(*it == a[i]){
er.pb(*it);
c[*it]--;
--i;
if(i == -1)
break;
if(c[a[i + 1]] > 0){
if(a[i] != a[i + 1]){
if(er[0] == a[i + 1]){
if(it == s.begin()) break;
--it;
}
else
break;
}
}else{
if(it == s.begin()) break;
--it;
}
}
for(int u: er){
if(c[u] == 0 && !rem[u]) s.erase(u), rem[u] = 1;
}
++i;
}
cout << ans;
}
int main(){
cin.tie(0); ios::sync_with_stdio(0);
int T = 1, aa;
// cin >> T;aa=T;
while(T--){
// cout << "Case #" << aa-T << ": ";
solve();
}
return 0;
}
Compilation message
money.cpp: In function 'int main()':
money.cpp:60:14: warning: unused variable 'aa' [-Wunused-variable]
60 | int T = 1, aa;
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4308 KB |
Output is correct |
2 |
Correct |
2 ms |
4308 KB |
Output is correct |
3 |
Correct |
3 ms |
4296 KB |
Output is correct |
4 |
Correct |
2 ms |
4308 KB |
Output is correct |
5 |
Correct |
2 ms |
4308 KB |
Output is correct |
6 |
Correct |
2 ms |
4308 KB |
Output is correct |
7 |
Correct |
2 ms |
4292 KB |
Output is correct |
8 |
Correct |
2 ms |
4308 KB |
Output is correct |
9 |
Correct |
3 ms |
4308 KB |
Output is correct |
10 |
Correct |
2 ms |
4308 KB |
Output is correct |
11 |
Correct |
2 ms |
4308 KB |
Output is correct |
12 |
Correct |
2 ms |
4308 KB |
Output is correct |
13 |
Correct |
2 ms |
4296 KB |
Output is correct |
14 |
Correct |
2 ms |
4308 KB |
Output is correct |
15 |
Correct |
2 ms |
4300 KB |
Output is correct |
16 |
Correct |
2 ms |
4276 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4308 KB |
Output is correct |
2 |
Correct |
2 ms |
4308 KB |
Output is correct |
3 |
Correct |
3 ms |
4296 KB |
Output is correct |
4 |
Correct |
2 ms |
4308 KB |
Output is correct |
5 |
Correct |
2 ms |
4308 KB |
Output is correct |
6 |
Correct |
2 ms |
4308 KB |
Output is correct |
7 |
Correct |
2 ms |
4292 KB |
Output is correct |
8 |
Correct |
2 ms |
4308 KB |
Output is correct |
9 |
Correct |
3 ms |
4308 KB |
Output is correct |
10 |
Correct |
2 ms |
4308 KB |
Output is correct |
11 |
Correct |
2 ms |
4308 KB |
Output is correct |
12 |
Correct |
2 ms |
4308 KB |
Output is correct |
13 |
Correct |
2 ms |
4296 KB |
Output is correct |
14 |
Correct |
2 ms |
4308 KB |
Output is correct |
15 |
Correct |
2 ms |
4300 KB |
Output is correct |
16 |
Correct |
2 ms |
4276 KB |
Output is correct |
17 |
Correct |
2 ms |
4296 KB |
Output is correct |
18 |
Correct |
2 ms |
4308 KB |
Output is correct |
19 |
Correct |
2 ms |
4308 KB |
Output is correct |
20 |
Correct |
2 ms |
4308 KB |
Output is correct |
21 |
Correct |
2 ms |
4308 KB |
Output is correct |
22 |
Correct |
2 ms |
4308 KB |
Output is correct |
23 |
Correct |
3 ms |
4308 KB |
Output is correct |
24 |
Correct |
3 ms |
4308 KB |
Output is correct |
25 |
Correct |
2 ms |
4308 KB |
Output is correct |
26 |
Correct |
3 ms |
4300 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4308 KB |
Output is correct |
2 |
Correct |
2 ms |
4308 KB |
Output is correct |
3 |
Correct |
3 ms |
4296 KB |
Output is correct |
4 |
Correct |
2 ms |
4308 KB |
Output is correct |
5 |
Correct |
2 ms |
4308 KB |
Output is correct |
6 |
Correct |
2 ms |
4308 KB |
Output is correct |
7 |
Correct |
2 ms |
4292 KB |
Output is correct |
8 |
Correct |
2 ms |
4308 KB |
Output is correct |
9 |
Correct |
3 ms |
4308 KB |
Output is correct |
10 |
Correct |
2 ms |
4308 KB |
Output is correct |
11 |
Correct |
2 ms |
4308 KB |
Output is correct |
12 |
Correct |
2 ms |
4308 KB |
Output is correct |
13 |
Correct |
2 ms |
4296 KB |
Output is correct |
14 |
Correct |
2 ms |
4308 KB |
Output is correct |
15 |
Correct |
2 ms |
4300 KB |
Output is correct |
16 |
Correct |
2 ms |
4276 KB |
Output is correct |
17 |
Correct |
2 ms |
4296 KB |
Output is correct |
18 |
Correct |
2 ms |
4308 KB |
Output is correct |
19 |
Correct |
2 ms |
4308 KB |
Output is correct |
20 |
Correct |
2 ms |
4308 KB |
Output is correct |
21 |
Correct |
2 ms |
4308 KB |
Output is correct |
22 |
Correct |
2 ms |
4308 KB |
Output is correct |
23 |
Correct |
3 ms |
4308 KB |
Output is correct |
24 |
Correct |
3 ms |
4308 KB |
Output is correct |
25 |
Correct |
2 ms |
4308 KB |
Output is correct |
26 |
Correct |
3 ms |
4300 KB |
Output is correct |
27 |
Correct |
3 ms |
4292 KB |
Output is correct |
28 |
Correct |
2 ms |
4308 KB |
Output is correct |
29 |
Correct |
2 ms |
4308 KB |
Output is correct |
30 |
Correct |
2 ms |
4308 KB |
Output is correct |
31 |
Correct |
2 ms |
4308 KB |
Output is correct |
32 |
Correct |
2 ms |
4308 KB |
Output is correct |
33 |
Correct |
2 ms |
4308 KB |
Output is correct |
34 |
Correct |
2 ms |
4308 KB |
Output is correct |
35 |
Correct |
2 ms |
4308 KB |
Output is correct |
36 |
Correct |
2 ms |
4308 KB |
Output is correct |
37 |
Correct |
2 ms |
4308 KB |
Output is correct |
38 |
Correct |
2 ms |
4308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4308 KB |
Output is correct |
2 |
Correct |
2 ms |
4308 KB |
Output is correct |
3 |
Correct |
3 ms |
4296 KB |
Output is correct |
4 |
Correct |
2 ms |
4308 KB |
Output is correct |
5 |
Correct |
2 ms |
4308 KB |
Output is correct |
6 |
Correct |
2 ms |
4308 KB |
Output is correct |
7 |
Correct |
2 ms |
4292 KB |
Output is correct |
8 |
Correct |
2 ms |
4308 KB |
Output is correct |
9 |
Correct |
3 ms |
4308 KB |
Output is correct |
10 |
Correct |
2 ms |
4308 KB |
Output is correct |
11 |
Correct |
2 ms |
4308 KB |
Output is correct |
12 |
Correct |
2 ms |
4308 KB |
Output is correct |
13 |
Correct |
2 ms |
4296 KB |
Output is correct |
14 |
Correct |
2 ms |
4308 KB |
Output is correct |
15 |
Correct |
2 ms |
4300 KB |
Output is correct |
16 |
Correct |
2 ms |
4276 KB |
Output is correct |
17 |
Correct |
2 ms |
4296 KB |
Output is correct |
18 |
Correct |
2 ms |
4308 KB |
Output is correct |
19 |
Correct |
2 ms |
4308 KB |
Output is correct |
20 |
Correct |
2 ms |
4308 KB |
Output is correct |
21 |
Correct |
2 ms |
4308 KB |
Output is correct |
22 |
Correct |
2 ms |
4308 KB |
Output is correct |
23 |
Correct |
3 ms |
4308 KB |
Output is correct |
24 |
Correct |
3 ms |
4308 KB |
Output is correct |
25 |
Correct |
2 ms |
4308 KB |
Output is correct |
26 |
Correct |
3 ms |
4300 KB |
Output is correct |
27 |
Correct |
3 ms |
4292 KB |
Output is correct |
28 |
Correct |
2 ms |
4308 KB |
Output is correct |
29 |
Correct |
2 ms |
4308 KB |
Output is correct |
30 |
Correct |
2 ms |
4308 KB |
Output is correct |
31 |
Correct |
2 ms |
4308 KB |
Output is correct |
32 |
Correct |
2 ms |
4308 KB |
Output is correct |
33 |
Correct |
2 ms |
4308 KB |
Output is correct |
34 |
Correct |
2 ms |
4308 KB |
Output is correct |
35 |
Correct |
2 ms |
4308 KB |
Output is correct |
36 |
Correct |
2 ms |
4308 KB |
Output is correct |
37 |
Correct |
2 ms |
4308 KB |
Output is correct |
38 |
Correct |
2 ms |
4308 KB |
Output is correct |
39 |
Correct |
68 ms |
6384 KB |
Output is correct |
40 |
Correct |
134 ms |
7676 KB |
Output is correct |
41 |
Correct |
53 ms |
6108 KB |
Output is correct |
42 |
Correct |
50 ms |
5972 KB |
Output is correct |
43 |
Correct |
37 ms |
5524 KB |
Output is correct |
44 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 6 |
45 |
Halted |
0 ms |
0 KB |
- |