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Submission #4782

# Submission time Handle Problem Language Result Execution time Memory
4782 2014-01-02T16:13:54 Z gs13068 다각형 (GA5_polygon) C++
60 / 100
 0 ms 1088 KB 
#include<cstdio>

int get(int x)
{
  if(x<2)return 0;
  return (x/2)*(x/2+1)-2;
}
 
int main()
{
  int a,b;
  scanf("%d%d",&a,&b);
  printf("%d",get(b)-get(a-1));
}

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
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1088 KB Output is correct
2 Incorrect 0 ms 1088 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Halted 0 ms 0 KB -