Submission #3235242


Source Code Expand

#include <cstdio>
#include <algorithm>
#include <cstring>

using namespace std;
typedef long long lli;

int main() {
	lli n,m,d;
	scanf("%lld%lld%lld",&n,&m,&d);
	printf("%.10lf\n",(d==0 ? 1.0 : 2.0)*(n-d)/(n*n)*(m-1));
	return 0;
}

Submission Info

Submission Time
Task C - Ordinary Beauty
User vjudge3
Language C++14 (GCC 5.4.1)
Score 300
Code Size 233 Byte
Status AC
Exec Time 1 ms
Memory 128 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld",&n,&m,&d);
                                ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 13
Set Name Test Cases
Sample sample_1000000000_180707_0.txt, sample_2_3_1.txt
All sample_1000000000_180707_0.txt, sample_2_3_1.txt, test_11936238_9_153932.txt, test_138666_2854897_1404.txt, test_1_2_0.txt, test_234679769_107_69508.txt, test_25213539_11160_27040.txt, test_28367_3200917_12993.txt, test_46387542_48_441879.txt, test_50484_560629_534.txt, test_569_56_8.txt, test_77_143_1.txt, test_8180059_850_58.txt
Case Name Status Exec Time Memory
sample_1000000000_180707_0.txt AC 1 ms 128 KB
sample_2_3_1.txt AC 1 ms 128 KB
test_11936238_9_153932.txt AC 1 ms 128 KB
test_138666_2854897_1404.txt AC 1 ms 128 KB
test_1_2_0.txt AC 1 ms 128 KB
test_234679769_107_69508.txt AC 1 ms 128 KB
test_25213539_11160_27040.txt AC 1 ms 128 KB
test_28367_3200917_12993.txt AC 1 ms 128 KB
test_46387542_48_441879.txt AC 1 ms 128 KB
test_50484_560629_534.txt AC 1 ms 128 KB
test_569_56_8.txt AC 1 ms 128 KB
test_77_143_1.txt AC 1 ms 128 KB
test_8180059_850_58.txt AC 1 ms 128 KB