Submission #4060129

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Source Code Expand

#include<stdio.h>

int main(){
  int n, X, i, s;
  int a[20];
  
  scanf("%d %d", &n, &X);
  for (i = 0; i < n; i++){
    scanf("%d", &a[i]);
  }
  
  s = 0;
  for(i = 0; i < n; i++){
    if(X >> k & 1 == 1){
      s = s + a[k];
    }
  }
  
  printf("%d\n", s);
  
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:13: error: ‘k’ was not declared in this scope
     if(X >> k & 1 == 1){
             ^
./Main.cpp:7:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &X);
                         ^
./Main.cpp:9:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &a[i]);
                       ^