Submission #8106

#	Time	Username	Problem	Language	Result	Execution time	Memory
8106		baneling100	Bank (IZhO14_bank)	C++98	100 / 100	197 ms	544 KiB

bank

#include <stdio.h>
#include <stdlib.h>

int N, M, A[21], B[21];

void input(void) {

    int i;

    scanf("%d %d",&N,&M);
    for(i=1 ; i<=N ; i++)
        scanf("%d",&A[i]);
    for(i=1 ; i<=M ; i++)
        scanf("%d",&B[i]);
}

void BitMask(int Lev, int Sum, int Bit, int S, int K) {

    if(Lev>N) {
        printf("YES");
        exit(0);
    }
    else {
        if(Sum)
            for(int i=S ; i<M ; i++) {
                if(!(Bit&(1<<i)) && Sum>=B[i+1] && N-Lev<=M-K-1)
                    BitMask(Lev,Sum-B[i+1],Bit|(1<<i),i+1,K+1);
            }
        else
            BitMask(Lev+1,A[Lev+1],Bit,0,K);
    }
}

int main(void) {

    input();
    BitMask(1,A[1],0,0,0);
    printf("NO");

    return 0;
}

Compilation message (stderr)

bank.cpp: In function 'void input()':
bank.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&M);
     ~~~~~^~~~~~~~~~~~~~~
bank.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&A[i]);
         ~~~~~^~~~~~~~~~~~
bank.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&B[i]);
         ~~~~~^~~~~~~~~~~~

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29