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Submission #2893

# Submission time Handle Problem Language Result Execution time Memory
2893 2013-08-01T11:26:32 Z zyslee 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1088 KB 
#include<stdio.h>
int main()
{
	long long int a, b, aa, bb, ans;
	scanf("%lld %lld", &a, &b);
	aa = (a-1)/2;
	bb = (b+1)/2;
	ans = ((bb*(bb+1)/2)-(aa*(aa+1)/2))*2;
	if(a==1 || a==2) ans-=2;
	printf("%lld", ans);
	return 0;
}

Subtask #1
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Correct 0 ms 1088 KB Output is correct
3 Correct 0 ms 1088 KB Output is correct
4 Correct 0 ms 1088 KB Output is correct
5 Incorrect 0 ms 1088 KB Output isn't correct

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 -