結果
問題 | No.2036 Max Middle |
ユーザー |
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提出日時 | 2024-10-22 21:45:31 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 29 ms / 2,000 ms |
コード長 | 2,699 bytes |
コンパイル時間 | 2,972 ms |
コンパイル使用メモリ | 245,880 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-10-22 21:45:37 |
合計ジャッジ時間 | 5,185 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 17 |
ソースコード
#line 1 "2036.cpp"// #pragma GCC target("avx2,avx512f,avx512vl,avx512bw,avx512dq,avx512cd,avx512vbmi,avx512vbmi2,avx512vpopcntdq,avx512bitalg,bmi,bmi2,lzcnt,popcnt")// #pragma GCC optimize("Ofast")#line 2 "/home/sigma/comp/library/template.hpp"#include <bits/stdc++.h>using namespace std;using ll = long long;using uint = unsigned int;using ull = unsigned long long;#define rep(i,n) for(int i=0;i<int(n);i++)#define rep1(i,n) for(int i=1;i<=int(n);i++)#define per(i,n) for(int i=int(n)-1;i>=0;i--)#define per1(i,n) for(int i=int(n);i>0;i--)#define all(c) c.begin(),c.end()#define si(x) int(x.size())#define pb push_back#define eb emplace_back#define fs first#define sc secondtemplate<class T> using V = vector<T>;template<class T> using VV = vector<vector<T>>;template<class T,class U> bool chmax(T& x, U y){if(x<y){ x=y; return true; }return false;}template<class T,class U> bool chmin(T& x, U y){if(y<x){ x=y; return true; }return false;}template<class T> void mkuni(V<T>& v){sort(all(v));v.erase(unique(all(v)),v.end());}template<class T> int lwb(const V<T>& v, const T& a){return lower_bound(all(v),a) - v.begin();}template<class T>V<T> Vec(size_t a) {return V<T>(a);}template<class T, class... Ts>auto Vec(size_t a, Ts... ts) {return V<decltype(Vec<T>(ts...))>(a, Vec<T>(ts...));}template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){return o<<"("<<p.fs<<","<<p.sc<<")";}template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){o<<"{";for(const T& v:vc) o<<v<<",";o<<"}";return o;}constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n-1); }#ifdef LOCAL#define show(x) cerr << "LINE" << __LINE__ << " : " << #x << " = " << (x) << endlvoid dmpr(ostream& os){os<<endl;}template<class T,class... Args>void dmpr(ostream&os,const T&t,const Args&... args){os<<t<<" ~ ";dmpr(os,args...);}#define shows(...) cerr << "LINE" << __LINE__ << " : ";dmpr(cerr,##__VA_ARGS__)#define dump(x) cerr << "LINE" << __LINE__ << " : " << #x << " = {"; \for(auto v: x) cerr << v << ","; cerr << "}" << endl;#else#define show(x) void(0)#define dump(x) void(0)#define shows(...) void(0)#endiftemplate<class D> D divFloor(D a, D b){return a / b - (((a ^ b) < 0 && a % b != 0) ? 1 : 0);}template<class D> D divCeil(D a, D b) {return a / b + (((a ^ b) > 0 && a % b != 0) ? 1 : 0);}#line 5 "2036.cpp"int main(){cin.tie(0);ios::sync_with_stdio(false); //DON'T USE scanf/printf/puts !!cout << fixed << setprecision(20);int N; cin >> N;V<int> A(N); rep(i,N) cin >> A[i];ll ans = 0;ll a = 0;rep(i,N-1){if(A[i] < A[i+1]) a++;else ans += a;}cout << ans << endl;}