답안 #208323

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
208323 2020-03-10T18:24:50 Z mohamedsobhi777 학교 설립 (IZhO13_school) C++14
25 / 100
347 ms 12920 KB
#include<bits/stdc++.h> 
 
using namespace std ;

const int N = 1e6 + 7 , mod = 998244353; 

long long n   , A , B; 
long long a[N] , b[N] ; 
long long ans ; 
int gA , gB ; 

priority_queue<pair< long long , int > > q1 , q2 ;

void clear1(){
        if(q1.size() > A){
            gA = q1.size() -A ; 
            priority_queue<long long> aux ; 
            while(q1.size()){
                aux.push(-a[q1.top().second]) ; 
                q1.pop() ; 
            }
            while(gA--){
                ans+=aux.top() ; 
                aux.pop();
            }
        }
        if(q2.size() > B){
            gB = q2.size() -B ; 
            priority_queue<long long> aux ; 
            while(q2.size()){
                aux.push(-b[q2.top().second]) ; 
                q2.pop() ; 
            }
            while(gB--){
                ans+=aux.top() ; 
                aux.pop();
            }
        }
}

int main() 
{
   // freopen("in.in" , "r" , stdin) ; 
    cin>>n>>A>>B ; 
    for(int i = 0 ; i < n ; i++){
        cin>>a[i] >> b[i] ; 
        if(a[i]>=b[i]){
            q1.push({ b[i] -a[i],i });
        }
        else {
            q2.push({ a[i] - b[i] , i}) ; 
        }
        ans += max(a[i] , b[i] ) ;
    }

    if(q1.size() > A && q2.size() > B)
    {
        clear1();
    }

    while(q1.size()> A && q2.size() < B){

        ans+=q1.top().first ; 
        q2.push({a[q1.top().second] - b[q1.top().second] ,q1.top().second });
        q1.pop(); 
    }

    if(q1.size() > A){
        priority_queue<pair< pair<long long , long long > , int  > > aux1 ; 
        priority_queue< pair<long long , int >  >  aux2 ; 

        while(q1.size()) 
        {
            aux1.push( { {  b[q1.top().second] - a[q1.top().second], b[q1.top().second]} ,q1.top().second });
            q1.pop();
        }
        while(q2.size())
        {
            aux2.push({-b[q2.top().second] , q2.top().second });
            q2.pop();
        }
        while(aux1.size() > A  && aux1.top().first.second>=-aux2.top().first ) {
            ans+=aux2.top().first;        
            ans+=aux1.top().first.first;
            aux2.pop();
            aux2.push({-aux1.top().first.second ,aux1.top().second });
            aux1.pop();
        }
        for(int i = 0 ; i < A ; i++)
            aux1.pop();
        while(aux1.size()){
            ans-=a[aux1.top().second];
            aux1.pop();
        }
    }
    while(q2.size()> B){
        ans+=q2.top().first ; 
        q1.push({b[q2.top().second] - a[q2.top().second] , q2.top().second}) ;
        q2.pop(); 
    }


    if(q2.size() > B){
        priority_queue<pair< pair<long long , long long > , int  > > aux1 ; 
        priority_queue< pair<long long , int >  >  aux2 ; 

        while(q2.size()) 
        {
            aux1.push( { {  a[q2.top().second] - b[q2.top().second], a[q2.top().second]} ,q2.top().second });
            q2.pop();
        }
        while(q1.size())
        {
            aux2.push({-a[q1.top().second] , q1.top().second });
            q1.pop();
        }
        while(aux1.size() > B  && aux1.top().first.second>=-aux2.top().first ) {
            ans+=aux2.top().first;        
            ans+=aux1.top().first.first;
            aux2.pop();
            aux2.push({-aux1.top().first.second ,aux1.top().second });
            aux1.pop();
        }
        for(int i = 0 ; i < B ; i++)
            aux1.pop();
        while(aux1.size()){
            ans-=b[aux1.top().second];
            aux1.pop();
        }
    }

    clear1();

    cout<<ans; 
    return 0 ;  
}

Compilation message

school.cpp: In function 'void clear1()':
school.cpp:15:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(q1.size() > A){
            ~~~~~~~~~~^~~
school.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(q2.size() > B){
            ~~~~~~~~~~^~~
school.cpp: In function 'int main()':
school.cpp:56:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(q1.size() > A && q2.size() > B)
        ~~~~~~~~~~^~~
school.cpp:56:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(q1.size() > A && q2.size() > B)
                         ~~~~~~~~~~^~~
school.cpp:61:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(q1.size()> A && q2.size() < B){
           ~~~~~~~~~^~~
school.cpp:61:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(q1.size()> A && q2.size() < B){
                           ~~~~~~~~~~^~~
school.cpp:68:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(q1.size() > A){
        ~~~~~~~~~~^~~
school.cpp:82:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(aux1.size() > A  && aux1.top().first.second>=-aux2.top().first ) {
               ~~~~~~~~~~~~^~~
school.cpp:96:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(q2.size()> B){
           ~~~~~~~~~^~~
school.cpp:103:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(q2.size() > B){
        ~~~~~~~~~~^~~
school.cpp:117:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(aux1.size() > B  && aux1.top().first.second>=-aux2.top().first ) {
               ~~~~~~~~~~~~^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Incorrect 5 ms 376 KB Output isn't correct
5 Incorrect 5 ms 376 KB Output isn't correct
6 Incorrect 5 ms 376 KB Output isn't correct
7 Incorrect 9 ms 504 KB Output isn't correct
8 Correct 9 ms 632 KB Output is correct
9 Incorrect 9 ms 632 KB Output isn't correct
10 Incorrect 9 ms 632 KB Output isn't correct
11 Incorrect 9 ms 760 KB Output isn't correct
12 Incorrect 11 ms 632 KB Output isn't correct
13 Incorrect 43 ms 2536 KB Output isn't correct
14 Incorrect 88 ms 3592 KB Output isn't correct
15 Incorrect 184 ms 7012 KB Output isn't correct
16 Correct 174 ms 8792 KB Output is correct
17 Incorrect 243 ms 9176 KB Output isn't correct
18 Incorrect 278 ms 9880 KB Output isn't correct
19 Incorrect 299 ms 10644 KB Output isn't correct
20 Incorrect 347 ms 12920 KB Output isn't correct