oj.uz

Submission #2741

# Submission time Handle Problem Language Result Execution time Memory
2741 2013-07-31T06:37:46 Z kriii 다각형 (GA5_polygon) C++
40 / 100
 0 ms 1088 KB 
#include <stdio.h>

int main()
{
	long long a,b,c;

	scanf ("%lld %lld",&a,&b);
	a = (a + 1) / 2;
	b = b / 2;
	c = b * (b + 1) - a * (a - 1);
	if (a == 1) c -= 2;
	printf ("%lld",c);

	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
10.0 / 10.0

# 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 Correct 0 ms 1088 KB Output is correct

Subtask #3
30.0 / 30.0

# 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 Correct 0 ms 1088 KB Output is correct