Submission #2759

#	Time	Username	Problem	Language	Result	Execution time	Memory
2759		rbwhddl2000	다각형 (GA5_polygon)	C++98	100 / 100	0 ms	1088 KiB

polygon

#include<stdio.h>
int main()
{
    long long int a, b, c;
    scanf("%lld %lld", &a, &b); 
    if(a>=3)a+=a%2;
    else a=4;
    b-=b%2;
    c = (a+b) * (b-a+2) /4;
  	if(c>0) printf("%lld", c);
  	else printf("0");
    return 0;
}

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