///////////////////////////
// INFO //
// //
// Handle -> Scayre //
// //
// Template vers. 1.1 //
// //
// It'll be accepted //
// //
///////////////////////////
//████╗████████╗██╗███████╗══███╗═══███╗████████╗════//
//═██╔╝═══██╔══╝╚█║██╔════╝══████╗═████║██╔═════╝═══//
//═██║════██║════╚╝███████╗══██╔████╔██║█████╗══════//
//═██║════██║══════╚════██║══██║╚██╔╝██║██╔══╝══════//
//████╗═══██║══════███████║══██║═╚═╝═██║███████╗═════//
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <map>
#include <set>
#include <list>
#include <cmath>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <string>
#include <bitset>
#include <cstdio>
#include <limits>
#include <complex>
#include <vector>
#include <climits>
#include <cstring>
#include <cstdlib>
#include <fstream>
#include <numeric>
#include <sstream>
#include <cassert>
#include <iomanip>
#include <iostream>
#include <algorithm>
#define ll long long
#define ld long double
#define ull unsigned ll
#define ioi exit(0);
#define f first
#define s second
#define inf (int)1e9 + 7
#define NFS ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define mp(x,y) make_pair(x,y)
#define lb(x) lower_bound(x)
#define ub(x) upper_bound(x)
#define pb push_back
#define ppb pop_back
#define bitcoin __builtin_popcount
#define endl "\n"
#define in(x) insert(x)
#define sz(x) (int)x.size()
#define all(x) x.begin(),x.end()
#define pw2(x) (1<<x) //2^x
#define forit(it,v) for (typeof(v.begin()) it = v.begin(); it != v.end(); ++it)
#define sqr(x) ((x) * 1ll * (x))
#define UpdateRandom srand (time(NULL));
using namespace std;
const int N = (int)1e6 + 7, MOD = (int)1e9 + 7;
int n,m;
int a[N];
int ans;
ll t[N*4];
void add(int v,int l,int r,int pos){
if(l==r){
t[v]++;
return;
}
int md=(l+r)/2;
if(md>=pos)add(v+v,l,md,pos);
else add(v+v+1,md+1,r,pos);
t[v]=t[v+v]+t[v+v+1];
}
ll get(int v,int l,int r,int L,int R){
if(R<L){
return 1;
}
if(L>r || R<l){
return 0;
}
if(L<=l && R>=r){
return t[v];
}
int md=(l+r)/2;
return get(v+v,l,md,L,R)+get(v+v+1,md+1,r,L,R);
}
int main(){
#ifdef IOI2019
freopen ("in.txt", "r", stdin);
#endif
NFS
cin >> n;
for(int i=1;i<=n;i++){
cin >> a[i];
}
for(int i=1;i<=n;i++){
int l=i,r=i;
for(int j=i+1;j<=n;j++){
if(a[r]<a[j] && get(1,1,1e6,a[l],a[j])==0){
r=j;
}
else break;
}
for(int j=l;j<=r;j++){
add(1,1,1e6,a[j]);
}
i=r;
ans++;
}
cout << ans << endl;
#ifdef IOI2019
cout << "\nTime Elapsed : " << clock () * 1.0 / CLOCKS_PER_SEC << endl;
#endif
ioi
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
636 KB |
Output is correct |
3 |
Correct |
2 ms |
636 KB |
Output is correct |
4 |
Incorrect |
2 ms |
636 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
636 KB |
Output is correct |
3 |
Correct |
2 ms |
636 KB |
Output is correct |
4 |
Incorrect |
2 ms |
636 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
636 KB |
Output is correct |
3 |
Correct |
2 ms |
636 KB |
Output is correct |
4 |
Incorrect |
2 ms |
636 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
636 KB |
Output is correct |
3 |
Correct |
2 ms |
636 KB |
Output is correct |
4 |
Incorrect |
2 ms |
636 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |