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Submission #2888

# Submission time Handle Problem Language Result Execution time Memory
2888 2013-08-01T11:05:10 Z zyslee 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1080 KB 
#include<stdio.h>
int main()
{
	int a, b, aa, bb;
	freopen("input.txt","r",stdin);
	freopen("outputt.txt","w",stdout);
	scanf("%d %d", &a, &b);
	aa = (a-1)/2;
	bb = (b+1)/2;
	printf("%d", ((bb*(bb+1)/2)-(aa*(aa+1)/2))*2);
	return 0;
}

Subtask #1
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 1080 KB open (syscall #2) was called by the program (disallowed syscall)
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 -