제출 #439800

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
439800		LastRonin	Money (IZhO17_money)	C++14	0 / 100	1 ms	460 KiB

money

#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define ull unsigned long long
#define mp make_pair
#define si short int
#define speed ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define pill pair<ll,ll>
#define f first
#define s second
#define pilc pair<ll,char>
#define all(a) (a).begin(),(a).end()
#define rep(s,e,step) for(int i = (s); i < (e) ; i += step)
#define vrep(s,e,step) for(int j = (s); j < (e) ; j += step)
#define ex exit(0) 
#define sz(a) (a).size()
#define triple pair<pill, ll>
#define pinode pair<node*, node*>
#define quadra pair<pill, pill>
#define ld long double
using namespace std;
 
const ll N = 1e6 + 10;
const ll M = 1e4 + 10;
const ll big = 1e17;
const ll hsh2 = 1964325029;
const long long mod = 1e9 + 7;
const long double EPS = 1e-10;
const ll block = 1e7;
const ll shift = 2e3;
const ld pi = acos(-1.0);
 
ll n, m;
 
ll a[N], was[N];

ll t[4 * N];

void upd(ll p, ll v = 1, ll tl = 1, ll tr = 1e6) {	
	if(tl == tr)
		return (void)(t[v]++);
	ll m = (tl + tr) >> 1ll;
	if(p <= m)
		upd(p, v * 2, tl, m);
	else
		upd(p, v * 2 + 1, m + 1, tr);
	t[v] = t[v * 2] + t[v * 2 + 1];
}
ll get(ll l, ll r, ll v = 1, ll tl = 1, ll tr = 1e6) {
	if(l > tr || tl > r)
		return 0;
	if(l <= tl && tr <= r)
		return t[v];
	ll m = (tl + tr) >> 1ll;
	return get(l, r, v * 2, tl, m) + get(l, r, v * 2 + 1, m + 1, tr);	
}
 
int main() {
	speed;
	cin >> n;
	ll ans = 1;
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	ll str = -1;
	for(int i = 1; i < n; i++) {
		if(str == -1)
			str = i;
		if(a[i] > a[i + 1]) {
		    for(int j = str; j <= i; j++)
		    	upd(a[j], 1);
			ans++,str = -1;
		}
		else {
			ll can = get(a[str] + 1, a[i + 1] - 1);
			if(can) {
			    for(int j = str; j <= i; j++)
		    		upd(a[j], 1);
				str = -1;
			}
			ans += can;				
		}
	}
	cout << ans << '\n';
}
/*
*/  

컴파일 시 표준 에러 (stderr) 메시지

money.cpp: In function 'int main()':
money.cpp:70:7: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   70 |       for(int j = str; j <= i; j++)
      |       ^~~
money.cpp:72:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   72 |    ans++,str = -1;
      |    ^~~
money.cpp:77:8: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   77 |        for(int j = str; j <= i; j++)
      |        ^~~
money.cpp:79:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   79 |     str = -1;
      |     ^~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55