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Submission #7801

# Submission time Handle Problem Language Result Execution time Memory
7801 2014-08-19T10:20:39 Z ggoh 다각형 (GA5_polygon) C++
100 / 100
 0 ms 1088 KB 
#include<cstdio>
long long a,b,x;
main()
{
	scanf("%lld%lld",&a,&b);
	if(a<3&&b>1)x=2;
	b/=2;
	a-=1;
	a/=2;
	printf("%lld",2*((b+1)*b/2-(a+1)*a/2)-x);
}

Subtask #1
60.0 / 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 Correct 0 ms 1088 KB Output is correct

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