제출 #967199

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
967199		ByeWorld	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	1 ms	348 KiB

bridge

#include <bits/stdc++.h>
#define ll long long
#define int long long
#define pb push_back
#define fi first
#define se second
using namespace std;
const int MAXN = 2e5+10;
const int INF = 1e18+10;
typedef pair<int,int> pii;
typedef pair<int,pii> ipii;

int K, n;
int ans;
vector <int> vec;
int pr[MAXN];

signed main(){
	// ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> K >> n;
	if(K==1){
		exit(0);
		vec.pb(-1);
		for(int i=1; i<=n; i++){
			char x, y; int a, b;
			cin >> x >> a >> y >> b; a++; b++;
			if(x==y) ans += abs(a-b);
			else {
				vec.pb(a); vec.pb(b);
			}
		}
		sort(vec.begin(), vec.end()); 

		int MN = INF, siz = vec.size()-1;
		for(int i=1; i<=siz; i++){
			ans += abs(vec[(siz+1)/2]-vec[i]);
		}
		ans += siz/2;
		cout << ans << '\n';
	} else {
		vec.pb(-1);
		for(int i=1; i<=n; i++){
			char x, y; int a, b;
			cin >> x >> a >> y >> b; a++; b++;
			if(x==y) ans += abs(a-b);
			else {
				vec.pb(a); vec.pb(b);
			}
		}
		sort(vec.begin(), vec.end()); 

		int MN = INF, siz = vec.size()-1;
		for(int i=1; i<=siz; i++){ // i awal dipisah
			int te = 0;
			for(int j=1; j<=i; j++){
				te += abs(vec[(i+1)/2] - vec[j]);
			}
			for(int j=i+1; j<=siz; j++){
				te += abs(vec[(i+siz+2)/2] - vec[j]);
			}
			MN = min(MN, te);
		}
		ans += siz/2;
		cout << ans+MN << '\n';
	}
}

컴파일 시 표준 에러 (stderr) 메시지

bridge.cpp: In function 'int main()':
bridge.cpp:34:7: warning: unused variable 'MN' [-Wunused-variable]
   34 |   int MN = INF, siz = vec.size()-1;
      |       ^~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37