#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
template<typename T> using vc = vector<T>;
template<typename T> using vvc = vc<vc<T>>;
template<typename T> void smax(T& a, T b) {a = max(a, b);}
template<typename T> void smin(T& a, T b) {a = min(a, b);}
#define X first
#define Y second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define read(a) for(auto& i : a) cin >> i
#define print(a) for(auto& i : a) cout << i << " "
int n;
vc<int> a;
int rez;
void f(int l, int r)
{
if(l > r) return;
int mn = INT_MAX;
for(int i = l; i <= r; i++) smin(mn, a[i]);
rez += (mn > 0);
int lst = l;
for(int i = l; i <= r; i++) {
if(a[i] == mn) {
f(lst, i-1);
lst = i+1;
}
}
f(lst, r);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> n;
a.resize(n);
read(a);
f(0, n-1);
cout << rez;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
5 ms |
636 KB |
Output is correct |
5 |
Correct |
6 ms |
716 KB |
Output is correct |
6 |
Execution timed out |
1080 ms |
1960 KB |
Time limit exceeded |
7 |
Execution timed out |
1095 ms |
2836 KB |
Time limit exceeded |