oj.uz

Submission #7816

# Submission time Handle Problem Language Result Execution time Memory
7816 2014-08-19T10:33:55 Z gs13073 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1088 KB 
#include<stdio.h>

int main()
{
  long long t,a,b;
  scanf("%lld %lld",&a,&b);
  if(a<4)a=4;
  if(a%2)a++;
  if(b<4)b=4;
  if(b%2)b--;
  a/=2;b/=2;
  t=b*(b+1)/2-a*(a-1)/2;
  printf("%lld",t*2);
  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 -