Submission #998952

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Source Code Expand

#include<stdio.h>
#include<iostream>
#include<algorithm>
#define REP(i,n) for(int i=0;i<(n);i++)
#define RREP(i,n) for(int i=(n)-1;i>=0;i++)
using namespace::std;

int n;

int main(){
	int r1,r2;
	double ans;
	cin>>r1>>r2;
	ans=(double(r1*r2*100000))/(r1+r2);
	ans/=100000;
	printf("%llf",ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:19: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=]
  printf("%llf",ans);
                   ^

Judge Result