Submission #863784

#	Time	Username	Problem	Language	Result	Execution time	Memory
863784		sunwukong123	Teams (IOI15_teams)	C++14	0 / 100	4022 ms	31756 KiB

teams

#include "teams.h"
#include <bits/stdc++.h>
using namespace std; 
#ifdef LOCAL
void debug_out() {cerr<<endl;}
template <typename Head, typename... Tail>
void debug_out(Head _H, Tail... _T) {cerr<<" "<<to_string(_H);debug_out(_T...);}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:",debug_out(__VA_ARGS__)
#else
#define debug(...)
#endif
const int MAXN = 200005;
const int inf=1000000500ll;
const long long oo =1000000000000000500ll;
const int MOD = (int)1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef pair<int,int> pi; 
vector<pi> vec;
int n;
void init(int N, int A[], int B[]) {

	n=N;
	for(int i=0;i<n;i++){
		vec.push_back({A[i],B[i]});
	}
	sort(vec.begin(),vec.end());
}

int can(int m, int K[]) {
	int tot=0;
	for(int i=0;i<m;i++){
		tot+=K[i];
	}
	if(tot>n)return 0;
	priority_queue<int,vector<int>,greater<int>> pq;
	vector<pi> events;
	for(auto x:vec){
		events.push_back({x.first,x.second});
	}
	for(int i=0;i<m;i++){
		for(int j=0;j<K[i];j++){
			events.push_back({K[i],inf});
		}
		
	}
	sort(events.begin(),events.end());
	for(auto x:events){

		while(pq.size() && pq.top() < x.first)continue;
		if(x.second==inf){

			if(pq.empty())return 0;
			else pq.pop();

		} else{
			pq.push(x.second);
		}
	}
	return 1;
}

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