Submission #3412024

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Source Code Expand

#include <stdio.h>
#include <string.h>

int main(void){
  char a[4], b[4];
  scanf("%s %s", a, b);
  strcpy(a, b);
  int n = atoi(a);
  
  printf("%d\n", n * 2);
  
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:11: warning: implicit declaration of function ‘atoi’ [-Wimplicit-function-declaration]
   int n = atoi(a);
           ^
./Main.c:6:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s %s", a, b);
   ^

Judge Result