#include<bits/stdc++.h>
using namespace std;
#define eb emplace_back
constexpr int sz = 1e6 + 6;
int n, a[sz], c[sz];
vector<vector<int>> b, newe;
map<pair<int, int>, int> co, deco;
signed main(){
ios_base::sync_with_stdio(0), cin.tie(0);
cin >> n;
memset(c, -1, sizeof(c));
for(register int i = 1; i <= n; ++i){
cin >> a[i];
co[{a[i], i}];
}
int tot(0);
for(auto &to : co){
to.second = ++tot;
}
for(register int i = 1; i <= n; ++i){
a[i] = co[{a[i], i}];
if(c[a[i]] == -1) c[a[i]] = i;
}
for(register int i = 1; i <= n; ++i){
vector<int> tmp = {a[i++]};
while(a[i-1] <= a[i]){
tmp.eb(a[i]);
++i;
}
b.eb((vector<int>)tmp);
--i;
}
// for(auto to : b){
// for(auto toto : to) cout << toto << ' ';
// cout << '\n';
// }
for(auto &to : b){
vector<int> tmp = to, d;
const int m = tmp.size();
tmp.eb(0);
for(register int i = 0; i < m; ++i){
d.eb(tmp[i]);
int l = tmp[i], r = tmp[i+1];
bool flag = false;
for(register int j = l; j <= r && !flag; ++j){
if(c[j] < c[l]) flag = true;
}
if(flag || i == m-1){
newe.eb((vector<int>)d);
d.clear();
}
}
}
// for(auto to : newe){
// for(auto toto : to) cout << toto << ' ';
// cout << '\n';
// }
cout << (int)newe.size() << '\n';
}
Compilation message
money.cpp: In function 'int main()':
money.cpp:18:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
18 | for(register int i = 1; i <= n; ++i){
| ^
money.cpp:30:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
30 | for(register int i = 1; i <= n; ++i){
| ^
money.cpp:35:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
35 | for(register int i = 1; i <= n; ++i){
| ^
money.cpp:63:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
63 | for(register int i = 0; i < m; ++i){
| ^
money.cpp:69:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
69 | for(register int j = l; j <= r && !flag; ++j){
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4696 KB |
Output is correct |
2 |
Correct |
1 ms |
4700 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Incorrect |
1 ms |
4700 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4696 KB |
Output is correct |
2 |
Correct |
1 ms |
4700 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Incorrect |
1 ms |
4700 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4696 KB |
Output is correct |
2 |
Correct |
1 ms |
4700 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Incorrect |
1 ms |
4700 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4696 KB |
Output is correct |
2 |
Correct |
1 ms |
4700 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Incorrect |
1 ms |
4700 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |