oj.uz

Submission #32023

# Submission time Handle Problem Language Result Execution time Memory
32023 2017-09-22T13:32:24 Z chonka Job Scheduling (CEOI12_jobs) C++
100 / 100
 496 ms 24956 KB 
#include<iostream>
#include<stdio.h>
#include<vector>
#include<queue>
using namespace std ;

#define MAXN 100007

int n , d , m ;
vector < int > v[ MAXN ] ;

vector < int > ans[ MAXN ] ;

int pos[ 10 * MAXN ] ;
int rev[ 10 * MAXN ] ;

bool f ( int x ) {
    queue < pair < int , int > > q ;
    int i , j , sz ;
    for ( i = 1 ; i <= n ; i ++ ) {
        sz = v[ i ].size ( ) ;
        for ( j = 0 ; j < sz ; j ++ ) {
            q.push ( make_pair ( v[ i ][ j ] , i + d ) ) ;
        }
        ans[ i ].clear ( ) ;
        int lft = x ;
        while ( lft != 0 && q.empty ( ) == false ) {
            pair < int , int > p = q.front ( ) ;
            if ( p.second < i ) { return false ; }
            lft -- ;
            q.pop ( ) ;
            ans[ i ].push_back ( p.first ) ;
        }
    }
    return true ;
}

void input ( ) {
    scanf ( "%d%d%d" , &n , &d , &m ) ;
    int i ;
    for ( i = 1 ; i <= m ; i ++ ) {
        int x ;
        scanf ( "%d" , &x ) ;
        v[ x ].push_back ( i ) ;
    }
}


void solve ( ) {
    int l , r , mid ;
    l = 1 ;
    r = m ;
    while ( r - l > 3 ) {
        mid = ( l + r ) / 2 ;
        if ( f ( mid ) == true ) { r = mid ; }
        else { l = mid ; }
    }
    while ( f ( l ) == false ) { l ++ ; }
    f ( l ) ;
    printf ( "%d\n" , l ) ;
    int i , j ;
    int sz ;
    for ( i = 1 ; i <= n ; i ++ ) {
        sz = ans[ i ].size ( ) ;
        for ( j = 0 ; j < sz ; j ++ ) {
            printf ( "%d " , ans[ i ][ j ] ) ;
        }
        printf ( "0\n" ) ;
    }
}


int main ( ) {
    input ( ) ;
    solve ( ) ;
    return 0 ;
}

Compilation message

jobs.cpp: In function 'void input()':
jobs.cpp:39:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ( "%d%d%d" , &n , &d , &m ) ;
                                       ^
jobs.cpp:43:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ( "%d" , &x ) ;
                             ^

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 16436 KB Output is correct
2 Correct 33 ms 16436 KB Output is correct
3 Correct 39 ms 16436 KB Output is correct
4 Correct 39 ms 16436 KB Output is correct
5 Correct 36 ms 16436 KB Output is correct
6 Correct 36 ms 16436 KB Output is correct
7 Correct 33 ms 16436 KB Output is correct
8 Correct 39 ms 16436 KB Output is correct
9 Correct 46 ms 16004 KB Output is correct
10 Correct 39 ms 16028 KB Output is correct
11 Correct 49 ms 15572 KB Output is correct
12 Correct 96 ms 16668 KB Output is correct
13 Correct 136 ms 18744 KB Output is correct
14 Correct 313 ms 20752 KB Output is correct
15 Correct 243 ms 20196 KB Output is correct
16 Correct 373 ms 22032 KB Output is correct
17 Correct 496 ms 24956 KB Output is correct
18 Correct 383 ms 22968 KB Output is correct
19 Correct 439 ms 22968 KB Output is correct
20 Correct 373 ms 24956 KB Output is correct