Submission #230017

#	Time	Username	Problem	Language	Result	Execution time	Memory
230017		CaroLinda	Garage (IOI09_garage)	C++14	100 / 100	6 ms	384 KiB

garage

#include <bits/stdc++.h>

#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")

#define mkt make_tuple
#define debug printf
#define all(x) x.begin(),x.end()
#define lp(i,a,b) for(int i = a ; i< b ; i++)
#define ss second
#define ff first
#define ll long long
#define pb push_back
#define pii pair<int,int>
#define mk make_pair

const int MAXN = 110 ;
const int MAXM = 2010 ;

using namespace std ;

int N , M , ans ;
int rate[MAXN] , weight[MAXM] ;
int parked[MAXM] ;
set<int> s ;

int main()
{
    scanf("%d %d", &N , &M ) ;
    lp(i,1,N+1) scanf("%d", &rate[i]) , s.insert(i) ;
    lp(i,1,M+1) scanf("%d", &weight[i]) ;

    vector<int> fila ;
    int ini = 0 ;

    for(int i = 1 , idx  ; i <= 2*M ; i++ )
    {
        scanf("%d", &idx ) ;

        if(idx < 0)
        {
            idx *= -1 ;
            ans += rate[ parked[idx] ] * weight[idx] ;
            s.insert( parked[idx] ) ;
        }
        else fila.pb(idx) ;

        while( ini < fila.size() && s.size() > 0 )
        {
            idx = fila[ini] ;
            parked[ fila[ini] ] = *s.begin() ;
            s.erase( s.begin() ) ;
            ini ++ ;
        }

    }

    printf("%d\n" , ans ) ;

}

Compilation message (stderr)

garage.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("O3")
 
garage.cpp:5:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("unroll-loops")
 
garage.cpp: In function 'int main()':
garage.cpp:49:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while( ini < fila.size() && s.size() > 0 )
                ~~~~^~~~~~~~~~~~~
garage.cpp:30:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N , &M ) ;
     ~~~~~^~~~~~~~~~~~~~~~~~~
garage.cpp:31:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     lp(i,1,N+1) scanf("%d", &rate[i]) , s.insert(i) ;
                 ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
garage.cpp:32:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     lp(i,1,M+1) scanf("%d", &weight[i]) ;
                 ~~~~~^~~~~~~~~~~~~~~~~~
garage.cpp:39:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &idx ) ;
         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 100 / 100