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Submission #7803

# Submission time Handle Problem Language Result Execution time Memory
7803 2014-08-19T10:24:33 Z Fakeable 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1088 KB 
#include<cstdio>
int main()
{
	long long int n,n_,m,sum=0;
	scanf("%lld %lld",&n,&m);
	n_=n;
	m/=2;
	if(n%2==0) n=n/2-1;
	else n=n/2;
	sum=m*(m+1)-n*(n+1);
	if(n_<3) sum-=2;
	printf("%lld",sum);
	return 0;
}

Subtask #1
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 1088 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Halted 0 ms 0 KB -

Subtask #3
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Halted 0 ms 0 KB -