제출 #1233907

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1233907		ByeWorld	Coin Collecting (JOI19_ho_t4)	C++20	0 / 100	0 ms	328 KiB

joi2019_ho_t4

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#define int long long
#define ll long long
#define fi first
#define se second
#define lf ((id<<1))
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
#define pb push_back
using namespace std;
const int MAXN = 1e5+10;
const int INF = 1e9+10;
const int LOG = 20;
int MOD;
typedef pair<int,int> pii;

int sum(int a, int b){ return (a+MOD+b)%MOD; }
void chsum(int &a, int b){ a = sum(a,b); }
int mul(int a, int b){ return (a*b)%MOD; }
int expo(int a, int b){ 
	if(b==0) return 1;
	int te = expo(a, b>>1); te = mul(te,te);
	return (b%2 ? (a*te)%MOD : te); 
}
void chmul(int &a, int b){ a = mul(a,b); }
void chmn(auto &a, auto b){ a = min(a, b); }
void chmx(auto &a, auto b){ a = max(a, b); }

int n, a[MAXN], b[MAXN], cnt[MAXN][3];
int ans;

signed main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>n;
	for(int i=1; i<=2*n; i++){
		cin>>a[i]>>b[i];
		if(a[i]<1) ans += 1-a[i], a[i] = 1;
		if(a[i]>n) ans += a[i]-n, a[i] = n;
		if(b[i]>2) ans += b[i]-2, b[i] = 2;
		if(b[i]<1) ans += 1-b[i], b[i] = 1;
		cnt[a[i]][b[i]]++;
	}
	// cout << ans << " ans\n";
	set<pii>zer, isi; // salah satu
	for(int i=1; i<=n; i++){
		int tot = 0;
		for(int j=1; j<=2; j++){
			tot += cnt[i][j];
			// cout << cnt[i][j] <<' ';
		}
		// cout << " p\n";
		// harusnya 2;
		// buang isi
		int p = 0;
		while(tot<2){
			if(!isi.empty()){
				ans += abs(i - (*isi.begin()).fi );
				isi.erase(isi.begin());
			} else {
				zer.insert({i, ++p});
			}
			tot++; 
		}

		while(tot > 2){ // buang zer
			if(!zer.empty()){
				ans += abs(i - (*zer.begin()).fi );
				zer.erase(zer.begin());
			} else {
				isi.insert({i, ++p});
			}
			tot--;
		}
	}
		int tot = 0;
	for(int i=1; i<=n; i++){
		tot += cnt[i][1];
	}
		ans += abs(n-tot);
	cout << ans << '\n';
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 0 / 63