Submission #7821

#	Time	Username	Problem	Language	Result	Execution time	Memory
7821		gs14092	다각형 (GA5_polygon)	C++98	100 / 100	0 ms	1088 KiB

polygon

#import<cstdio>
long long x,y,r;
main()
{
    scanf("%lld%lld",&x,&y);
    if(x<3&&1<y)r-=2;
    x=(x+1)/2;
    y/=2;
    r+=y*y+y-x*x+x;printf("%lld",r);}

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