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Submission #31894

# Submission time Handle Problem Language Result Execution time Memory
31894 2017-09-12T14:37:09 Z chonka Brunhilda’s Birthday (BOI13_brunhilda) C++
41.5873 / 100
 119 ms 43196 KB 
#include<iostream>
#include<stdio.h>
#include<vector>
#include<queue>
using namespace std ;

#define MAXN 100007

int n  , m ;
int a[ MAXN ] ;
int b[ MAXN ] ;
int ans[ 100 * MAXN ] ;
int akt[ MAXN ] ;
int lim ;

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

void solve ( ) {
    lim = 1 ;
    int i , j ;
    for ( i = 1 ; i <= 7 ; i ++ ) {
        lim *= 10 ;
    }
    deque < pair < int , int > > q ;
    for ( i = 1 ; i <= n ; i ++ ) {
        q.push_front ( make_pair ( 0 , i ) ) ;
        akt[ i ] = 0 ;
    }
    for ( i = 1 ; i <= lim ; i ++ ) {
        while ( q.empty ( ) == false ) {
            pair < int , int > p = q.back ( ) ;
            if ( p.first + a[ p.second ] <= i ) {
                q.push_front ( make_pair ( p.first + a[ p.second ] , p.second ) ) ;
                q.pop_back ( ) ;
            }
            else { break ; }
        }
        ans[ i ] = ans[ (q.back()).first ] + 1 ;
        if ( ans[ q.back().first ] == -1 || (q.back()).first == i ) { ans[ i ] = -1 ; }
    }
    while ( m != 0 ) {
        m -- ;
        int x ;
        scanf ( "%d" , &x ) ;
        if ( ans[ x ] != -1 ) {
            printf ( "%d\n" , ans[ x ] ) ;
        }
        else {
            printf ( "oo\n" ) ;
        }
    }

}


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

Compilation message

brunhilda.cpp: In function 'void solve()':
brunhilda.cpp:26:13: warning: unused variable 'j' [-Wunused-variable]
     int i , j ;
             ^
brunhilda.cpp: In function 'void input()':
brunhilda.cpp:17:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ( "%d%d" , &n , &m ) ;
                                ^
brunhilda.cpp:20:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ( "%d" , &a[ i ] ) ;
                                  ^
brunhilda.cpp: In function 'void solve()':
brunhilda.cpp:50:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ( "%d" , &x ) ;
                             ^

Subtask #1
4.44444444444 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 76 ms 42252 KB Output isn't correct
2 Incorrect 79 ms 42252 KB Output isn't correct
3 Incorrect 56 ms 42252 KB Output isn't correct
4 Incorrect 39 ms 42252 KB Output isn't correct
5 Correct 56 ms 42252 KB Output is correct
6 Incorrect 69 ms 42252 KB Output isn't correct
7 Incorrect 49 ms 42252 KB Output isn't correct
8 Incorrect 43 ms 42252 KB Output isn't correct
9 Incorrect 59 ms 42252 KB Output isn't correct
10 Incorrect 59 ms 42252 KB Output isn't correct
11 Incorrect 49 ms 42252 KB Output isn't correct
12 Correct 56 ms 42252 KB Output is correct
13 Correct 56 ms 42252 KB Output is correct
14 Correct 46 ms 42252 KB Output is correct
15 Incorrect 53 ms 42252 KB Output isn't correct
16 Incorrect 46 ms 42252 KB Output isn't correct
17 Incorrect 56 ms 42252 KB Output isn't correct
18 Incorrect 33 ms 42252 KB Output isn't correct

Subtask #2
10.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 42384 KB Output is correct
2 Correct 76 ms 43044 KB Output is correct
3 Incorrect 53 ms 42912 KB Output isn't correct
4 Incorrect 39 ms 42252 KB Output isn't correct
5 Correct 56 ms 42648 KB Output is correct
6 Correct 39 ms 42252 KB Output is correct
7 Correct 33 ms 42384 KB Output is correct
8 Incorrect 36 ms 42252 KB Output isn't correct
9 Correct 49 ms 42912 KB Output is correct
10 Incorrect 53 ms 42912 KB Output isn't correct
11 Incorrect 49 ms 42648 KB Output isn't correct
12 Incorrect 46 ms 42252 KB Output isn't correct
13 Correct 39 ms 42252 KB Output is correct
14 Incorrect 36 ms 42252 KB Output isn't correct
15 Correct 56 ms 42648 KB Output is correct
16 Correct 76 ms 43044 KB Output is correct
17 Incorrect 39 ms 42252 KB Output isn't correct
18 Incorrect 73 ms 43196 KB Output isn't correct

Subtask #3
27.1428571429 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 42648 KB Output is correct
2 Correct 63 ms 42784 KB Output is correct
3 Incorrect 76 ms 42648 KB Output isn't correct
4 Incorrect 89 ms 42252 KB Output isn't correct
5 Correct 96 ms 43188 KB Output is correct
6 Incorrect 89 ms 42384 KB Output isn't correct
7 Correct 69 ms 43196 KB Output is correct
8 Correct 66 ms 42648 KB Output is correct
9 Correct 83 ms 42648 KB Output is correct
10 Incorrect 56 ms 42384 KB Output isn't correct
11 Incorrect 43 ms 42252 KB Output isn't correct
12 Incorrect 43 ms 42384 KB Output isn't correct
13 Incorrect 76 ms 42516 KB Output isn't correct
14 Incorrect 99 ms 42252 KB Output isn't correct
15 Incorrect 63 ms 42252 KB Output isn't correct
16 Incorrect 76 ms 42384 KB Output isn't correct
17 Correct 59 ms 42648 KB Output is correct
18 Correct 83 ms 42784 KB Output is correct
19 Correct 59 ms 42252 KB Output is correct
20 Incorrect 63 ms 42648 KB Output isn't correct
21 Incorrect 66 ms 42252 KB Output isn't correct
22 Correct 119 ms 43196 KB Output is correct
23 Correct 93 ms 42516 KB Output is correct
24 Incorrect 103 ms 42252 KB Output isn't correct
25 Incorrect 89 ms 42252 KB Output isn't correct
26 Incorrect 73 ms 42252 KB Output isn't correct
27 Incorrect 79 ms 43196 KB Output isn't correct
28 Incorrect 56 ms 42252 KB Output isn't correct
29 Correct 96 ms 43196 KB Output is correct
30 Correct 93 ms 42912 KB Output is correct
31 Correct 79 ms 42252 KB Output is correct
32 Incorrect 73 ms 42252 KB Output isn't correct
33 Incorrect 69 ms 42252 KB Output isn't correct
34 Correct 83 ms 43196 KB Output is correct
35 Incorrect 56 ms 42252 KB Output isn't correct
36 Correct 89 ms 43044 KB Output is correct
37 Correct 83 ms 43188 KB Output is correct
38 Incorrect 93 ms 42384 KB Output isn't correct
39 Incorrect 73 ms 42252 KB Output isn't correct
40 Correct 89 ms 42384 KB Output is correct
41 Correct 76 ms 43196 KB Output is correct
42 Incorrect 43 ms 42252 KB Output isn't correct