Submission #60741

#	Time	Username	Problem	Language	Result	Execution time	Memory
60741		istlemin	Teams (IOI15_teams)	C++14	34 / 100	4096 ms	56012 KiB

teams

#include "teams.h"
#include<bits/stdc++.h>

using namespace std;

#define rep(i,a,b) for(int i = a; i<int(b);++i)
#define all(v) v.begin(),v.end()
#define sz(v) v.size()
#define trav(a,c) for(auto a: c)

typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pii;

ll n;
vi a;
vi b;


void init(int N, int A[], int B[]) {
    n = N;
    a.resize(n);
    b.resize(n);
	rep(i,0,n) {
		a[i] = A[i]-1;
		b[i] = B[i]-1;
	}
}

int can(int M, int K[]) {
    vi k;
    k.assign(n,0);
    rep(i,0,M) k[K[i]-1] += K[i];


    vi add(n+1);
    vector<vi> ends(n);

    rep(i,0,n){
		ends[a[i]].push_back(b[i]+1);
		add[a[i]]++;
		add[b[i]+1]--;
    }

	ll sum = 0;
	multiset<ll> currEnds;
    rep(i,0,n){
        while(currEnds.size()&&*currEnds.begin()==i){
			currEnds.erase(currEnds.begin());
        }
        sum+=add[i];
        rep(j,0,ends[i].size()) currEnds.insert(ends[i][j]);
        if(k[i]>sum) {
			//cout<<0<<endl;
			return 0;
		}
        sum-=k[i];
        rep(j,0,k[i]){
            add[*currEnds.begin()]++;
            currEnds.erase(currEnds.begin());
        }
    }
	//cout<<1<<endl;
	return 1;

}

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