oj.uz

Submission #31915

# Submission time Handle Problem Language Result Execution time Memory
31915 2017-09-14T12:33:27 Z chonka Brunhilda’s Birthday (BOI13_brunhilda) C++
100 / 100
 479 ms 80928 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 lim ;
int f[ 100 * MAXN ] ;

void input ( ) {
    scanf ( "%d%d" , &n , &m ) ;
    int i , j ;
    lim = 1 ;
    for ( i = 1 ; i <= 7 ; i ++ ) {
        lim *= 10 ;
    }
    for ( i = 1 ; i <= n ; i ++ ) {
        scanf ( "%d" , &a[ i ] ) ;
        for ( j = 0 ; j <= lim ; j += a[ i ] ) {
            f[ j ] = a[ i ] ;
        }
    }
}

void solve ( ) {
    int i , j ;
    long long prod = 1 ;
    for ( i = n ; i >= 1 ; i -- ) {
        prod *= a[ i ] ;
        if ( prod > lim ) { prod = lim + 1 ; }
    }
    int lst = 0 ;
    for ( i = 1 ; i <= lim ; i ++ ) { ans[ i ] = -1 ; }
    for ( i = 1 ; i < prod ; i ++ ) {
        while ( f[ lst ] == 0 || lst + f[ lst ] <= i ) {
            lst ++ ;
        }
        if ( lst >= i ) { ans[ i ] = -1 ; }
        else { ans[ i ] = ans[ lst ] + 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:32:13: 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:24:34: 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
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 80928 KB Output is correct
2 Correct 123 ms 80928 KB Output is correct
3 Correct 46 ms 80928 KB Output is correct
4 Correct 66 ms 80928 KB Output is correct
5 Correct 126 ms 80928 KB Output is correct
6 Correct 19 ms 80928 KB Output is correct
7 Correct 36 ms 80928 KB Output is correct
8 Correct 63 ms 80928 KB Output is correct
9 Correct 163 ms 80928 KB Output is correct
10 Correct 169 ms 80928 KB Output is correct
11 Correct 163 ms 80928 KB Output is correct
12 Correct 66 ms 80928 KB Output is correct
13 Correct 329 ms 80928 KB Output is correct
14 Correct 329 ms 80928 KB Output is correct
15 Correct 146 ms 80928 KB Output is correct
16 Correct 136 ms 80928 KB Output is correct
17 Correct 126 ms 80928 KB Output is correct
18 Correct 59 ms 80928 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 80928 KB Output is correct
2 Correct 126 ms 80928 KB Output is correct
3 Correct 443 ms 80928 KB Output is correct
4 Correct 173 ms 80928 KB Output is correct
5 Correct 269 ms 80928 KB Output is correct
6 Correct 123 ms 80928 KB Output is correct
7 Correct 96 ms 80928 KB Output is correct
8 Correct 149 ms 80928 KB Output is correct
9 Correct 299 ms 80928 KB Output is correct
10 Correct 376 ms 80928 KB Output is correct
11 Correct 359 ms 80928 KB Output is correct
12 Correct 209 ms 80928 KB Output is correct
13 Correct 83 ms 80928 KB Output is correct
14 Correct 149 ms 80928 KB Output is correct
15 Correct 289 ms 80928 KB Output is correct
16 Correct 109 ms 80928 KB Output is correct
17 Correct 293 ms 80928 KB Output is correct
18 Correct 289 ms 80928 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 306 ms 80928 KB Output is correct
2 Correct 403 ms 80928 KB Output is correct
3 Correct 419 ms 80928 KB Output is correct
4 Correct 229 ms 80928 KB Output is correct
5 Correct 199 ms 80928 KB Output is correct
6 Correct 396 ms 80928 KB Output is correct
7 Correct 336 ms 80928 KB Output is correct
8 Correct 353 ms 80928 KB Output is correct
9 Correct 336 ms 80928 KB Output is correct
10 Correct 293 ms 80928 KB Output is correct
11 Correct 243 ms 80928 KB Output is correct
12 Correct 323 ms 80928 KB Output is correct
13 Correct 423 ms 80928 KB Output is correct
14 Correct 209 ms 80928 KB Output is correct
15 Correct 326 ms 80928 KB Output is correct
16 Correct 343 ms 80928 KB Output is correct
17 Correct 313 ms 80928 KB Output is correct
18 Correct 396 ms 80928 KB Output is correct
19 Correct 143 ms 80928 KB Output is correct
20 Correct 446 ms 80928 KB Output is correct
21 Correct 249 ms 80928 KB Output is correct
22 Correct 449 ms 80928 KB Output is correct
23 Correct 206 ms 80928 KB Output is correct
24 Correct 153 ms 80928 KB Output is correct
25 Correct 303 ms 80928 KB Output is correct
26 Correct 249 ms 80928 KB Output is correct
27 Correct 479 ms 80928 KB Output is correct
28 Correct 149 ms 80928 KB Output is correct
29 Correct 453 ms 80928 KB Output is correct
30 Correct 419 ms 80928 KB Output is correct
31 Correct 206 ms 80928 KB Output is correct
32 Correct 239 ms 80928 KB Output is correct
33 Correct 113 ms 80928 KB Output is correct
34 Correct 333 ms 80928 KB Output is correct
35 Correct 173 ms 80928 KB Output is correct
36 Correct 466 ms 80928 KB Output is correct
37 Correct 199 ms 80928 KB Output is correct
38 Correct 393 ms 80928 KB Output is correct
39 Correct 179 ms 80928 KB Output is correct
40 Correct 266 ms 80928 KB Output is correct
41 Correct 223 ms 80928 KB Output is correct
42 Correct 336 ms 80928 KB Output is correct