oj.uz

답안 #2724

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
2724 2013-07-31T03:46:40 Z gs13068 다각형 (GA5_polygon) C++
0 / 100
 0 ms 1088 KB 
#include<cstdio>

long long get(long long x)
{
  if(x<2)return 0;
  return (x/2)*(x/2+1)-2;
}

int main()
{
  long long a,b;
  scanf("%lld%lld",&a,&b);
  printf("%lld",get(b+1)-get(a-1));
}

Subtask #1
0.0 / 60.0

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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 Incorrect 0 ms 1088 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 1088 KB Output isn't correct
2 Halted 0 ms 0 KB -