제출 #598300

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
598300		jeroenodb	팀들 (IOI15_teams)	C++14	0 / 100	77 ms	23124 KiB

teams

#include "bits/stdc++.h"
using namespace std;
#define all(x) begin(x),end(x)
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { string sep; for (const T &x : v) os << sep << x, sep = " "; return os; }
#define debug(a) cerr << "(" << #a << ": " << a << ")\n";
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pi;
const int mxN = 5e5+2, oo = 1e9;

#include "teams.h"
int pref[mxN] = {}, pref2[mxN];
void init(int N, int A[], int B[]) {
	for(int i=0;i<N;++i) {
		pref[A[i]]++;
		pref2[B[i]+1]++;
	}
	partial_sum(pref,pref+mxN,pref);
	partial_sum(pref2,pref2+mxN,pref2);
}

int can(int M, int K[]) {
	sort(K,K+M);
	int from=0, opens=0, closes=0;
	for(int i=0;i<M;++i) {
		int at = K[i];
		opens+=pref[at]-pref[from];
		int tmp = min(closes,pref2[at]-pref2[from]);
		closes-=tmp;
		opens-=pref2[at]-pref2[from]-tmp;

		if(opens<at) return false;
		opens-=at;
		closes+=at;
		from = at;
	}
	return true;
}

• Subtask 1: 0 / 21
• Subtask 2: 0 / 13
• Subtask 3: 0 / 43
• Subtask 4: 0 / 23