Submission #3168970

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Source Code Expand

#include<cstdio>
#include<iostream>
long long a,b,ans;
int main()
{
scanf("%d%d",&a,&b);
while(a<b)
{
   a=a*2;
	ans++;
}	
printf("%d",ans);
return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
 scanf("%d%d",&a,&b);
                   ^
./Main.cpp:6:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=]
./Main.cpp:12:16: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
 printf("%d",ans);
                ^
./Main.cpp:6:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d",&a,&b);
                    ^

Judge Result