Submission #2897

#	Time	Username	Problem	Language	Result	Execution time	Memory
2897		jihoon	다각형 (GA5_polygon)	C++98	0 / 100	0 ms	1088 KiB

polygon

#include<stdio.h>
int main(){
    int a,b;
    long long int gaji=1;
    scanf("%d %d",&a,&b);
    if(a%2) a++;
    if(b%2) b--;
    gaji=gaji*((b-a)/2+1);
    gaji=gaji*((a+b)/2);
    if(a<=2) gaji-=2;
    printf("%lld",gaji);
    return 0;
}

• Subtask 1: 0 / 60
• Subtask 2: 0 / 10
• Subtask 3: 0 / 30