Submission #3363663

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Source Code Expand

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll a,b,c;
int main()
{
	scanf("%lld%lld%lld",&a,&b,&c);
	if(b>=a)puts("1");
    else if(c>=b)puts("-1");
    else cout<<((a-b)/(b-c)+((a-b)%(b-c)>=1))*2+1<<endl;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld",&a,&b,&c);
                                ^

Judge Result