Submission #134150

#	Time	Username	Problem	Language	Result	Execution time	Memory
134150		ckodser	Teams (IOI15_teams)	C++14	0 / 100	4091 ms	10008 KiB

teams

#include "teams.h"
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#endif

int gcd(int a, int b) {return b == 0 ? a : gcd(b, a % b);}

#define ll int
#define pb push_back
#define ld long double
#define mp make_pair
#define F first
#define S second
#define pii pair<ll,ll> 

using namespace :: std;

const ll maxn=1e5+500;
const ll inf=1e9+800;
const ll mod=1e9+7;
const ll maxm=1e5+500;
const ll sq=700;

ll n;
ll a[maxn];
ll b[maxn];

void init(int N, int A[], int B[]) {
	n=N;
	for(ll i=0;i<N;i++){
		a[i]=A[i];
		b[i]=B[i];
	}
}
ll ger[sq][sq];
void makeGer(ll m,ll k[]){
	memset(ger,0,sizeof ger);

	for(ll i=0;i<n;i++){
		ll l=lower_bound(k,k+m,a[i])-k;
		ll r=upper_bound(k,k+m,b[i])-k-1;
		for(ll x=l;x<=r;x++){
			for(ll y=x;y<=r;y++){
				ger[x][y]++;
			}
		}
	}
	for(ll t=m;t>=1;t--){
		for(ll l=0;l+t-1<m;l++){
			ll r=l+t-1;
			if(l!=0){
				ger[l][r]-=ger[l-1][r];
			}
			if(r!=m-1){
				ger[l][r]-=ger[l][r+1];
			}
			if(l!=0 && r!=m-1){
				ger[l][r]+=ger[l-1][r+1];
			}
		}
	}
}
ll comp[maxm];
ll tmp[sq];
ll gri[sq];
int can(int m, int k[]) {
	sort(k,k+m);
	memset(gri,0,sizeof gri);
	memset(tmp,0,sizeof tmp);
	for(ll i=0;i<m;i++){
		comp[i]=(k[i]);
	}
	ll sz=unique(comp,comp+m)-comp;
	makeGer(sz,comp);
	for(ll i=0;i<m;i++){
		tmp[lower_bound(comp,comp+sz,k[i])-comp]++;
	}
	for(ll i=0;i<sz;i++){
		comp[i]*=tmp[i];
	}
	for(ll i=0;i<sz;i++){
		for(ll j=i;j<sz;j++){
			gri[j]+=ger[i][j];
		}
		for(ll j=i;j<sz && 0<comp[i];j++){
			ll res=min(comp[i],gri[j]);
			comp[i]-=res;
			gri[j]-=res;
		}
		if(comp[i])return 0;
	}
	return 1;
}

Compilation message (stderr)

teams.cpp: In function 'void makeGer(int, int*)':
teams.cpp:90:31: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   ll l=lower_bound(k,k+m,a[i])-k;
        ~~~~~~~~~~~~~~~~~~~~~~~^~
teams.cpp:91:33: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   ll r=upper_bound(k,k+m,b[i])-k-1;
        ~~~~~~~~~~~~~~~~~~~~~~~~~^~
teams.cpp: In function 'int can(int, int*)':
teams.cpp:123:27: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
  ll sz=unique(comp,comp+m)-comp;
        ~~~~~~~~~~~~~~~~~~~^~~~~

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