Submission #1081378

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Source Code Expand

#include <stdio.h>
#include <algorithm>

using namespace std;

long long x , ans;
void work () {
	scanf ( "%lld" , &x );
	ans = x / 11;
	ans = ans * 2;
	if ( x % 11 >= 1 && x % 11 <= 6 ) ans++;
	if ( x % 11 >= 7 ) ans += 2;
	printf ( "%lld\n" , ans );
}
int main () {
	work ();
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void work()’:
./Main.cpp:8:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf ( "%lld" , &x );
                       ^

Judge Result