Submission #5893

#	Time	Username	Problem	Language	Result	Execution time	Memory
5893		baneling100	다각형 (GA5_polygon)	C++98	100 / 100	0 ms	1088 KiB

polygon

#include <stdio.h>

long long A, B, Ans;

int main(void)
{
    scanf("%lld %lld",&A,&B);
    if(B>=4)
    {
        Ans=(B/2)*(B/2+1)-((A-1)/2)*((A-1)/2+1);
        if(A<=2)
            Ans-=2;
    }
    printf("%lld",Ans);
    return 0;
}

• Subtask 1: 60 / 60
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30