Submission #1334471

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Source Code Expand

#include <stdio.h>
int main(void){
    int n,x,a[25],b[50],x2[50]={},i=1,l=0,max=0;
    scanf("%d%d",&n,&x);
    if(x%2==1)x2[0]=1;
    while(x>0){
        i=1;l=0;
    while(i*2<=x){
        i*=2;
        l++;
    }
    x-=i;x2[l]=1;if(max<l)max=l;
    }
    int ans=0;
    for(int j=0;j<n;j++){
        scanf("%d",&a[j]);
        if(x2[j]==1)ans+=a[j];
    }
    printf("%d\n",ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:4:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&x);
                        ^
./Main.cpp:16:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&a[j]);
                          ^

Judge Result