oj.uz

답안 #847269

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
847269 2023-09-09T10:50:44 Z TB_ Baloni (COCI15_baloni) C++17
40 / 100
 2000 ms 89096 KB 
#include <bits/stdc++.h>
using namespace std;
 
#undef _GLIBCXX_DEBUG                // disable run-time bound checking, etc
#pragma GCC optimize("Ofast,inline") // Ofast = O3,fast-math,allow-store-data-races,no-protect-parens
#pragma GCC optimize ("unroll-loops")
 
// #pragma GCC target("bmi,bmi2,lzcnt,popcnt")                      // bit manipulation
// #pragma GCC target("movbe")                                      // byte swap
// #pragma GCC target("aes,pclmul,rdrnd")                           // encryption
// #pragma GCC target("avx,avx2,f16c,fma,sse3,ssse3,sse4.1,sse4.2") // SIMD
 
// #include <bits/extc++.h>
// using namespace __gnu_pbds;
// template<class T>using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
// template<class T>using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag,tree_order_statistics_node_update>;
 
#define ll long long
#define INF (ll)1e9+7
#define fo(i, n) for(ll i=0;i<((ll)n);i++)
#define deb(x) cout << #x << " = " << x << endl;
#define deb2(x, y) cout << #x << " = " << x << ", " << #y << " = " << y << endl
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define LSOne(S) ((S) & (-S))
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
inline int readint(){ int v = 0; char c; while((c = getchar()) != EOF && c != ' ' && c != '\n'){ v *= 10; v += c - '0'; } return v; }
inline int readintsigned() { int v = 0; int sign = 1; char c = getchar(); if (c == '-') { sign = -1; } else { v += c - '0'; } while ((c = getchar()) != EOF && c != ' ' && c != '\n') { v *= 10; v += c - '0'; } return v * sign; }
inline string readstring() { string s; char c; while ((c = getchar()) != EOF && c != '\n' && c != ' ') { s.push_back(c); } return s; }
template <class result_t=std::chrono::milliseconds,class clock_t=std::chrono::steady_clock,class duration_t = std::chrono::milliseconds>
auto since(std::chrono::time_point<clock_t, duration_t> const& start){return std::chrono::duration_cast<result_t>(clock_t::now() - start);}
typedef pair<int, int> pii;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpii;
typedef vector<pl> vpl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef vector<vpii> vvpii;
typedef vector<vpl> vvpl;
 
 
 
int main() {
    // cout << fixed << setprecision(20);
    // auto start = std::chrono::steady_clock::now(); // since(start).count()
    cin.tie(0)->sync_with_stdio(0);
 
    int n, val;
    cin >> n;
    vector<set<int>> v(1000001);
    fo(i, n) {
        cin >> val;
        v[val].insert(i);
    }
 
 
    int ans = 0;
    for(int j = 1e6; j>= 0 ; j--){
        while(v[j].size()){
            int pos = 0;
            int h = j;
            ans++;
            while(h && v[h].size()){
                auto temp = lower_bound(v[h].begin(), v[h].end(), pos);
                if(temp == v[h].end())break;
                pos = *temp;
                v[h].erase(temp);
                h--;
            }
        }
    }
    cout << ans << "\n";
 
    return 0;
}

Subtask #1
40.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 47448 KB Output is correct
2 Correct 12 ms 47452 KB Output is correct
3 Correct 13 ms 47448 KB Output is correct
4 Correct 14 ms 47448 KB Output is correct
5 Execution timed out 2029 ms 84392 KB Time limit exceeded
6 Execution timed out 2040 ms 89096 KB Time limit exceeded
7 Execution timed out 2036 ms 81732 KB Time limit exceeded
8 Execution timed out 2025 ms 81240 KB Time limit exceeded
9 Execution timed out 2027 ms 83424 KB Time limit exceeded
10 Execution timed out 2040 ms 84592 KB Time limit exceeded