Start: Jul, 01, 2019 08:30:00
2019年度暑期短学期第四天
End: Jul, 01, 2019 11:30:00
Time elapsed:
Time remaining:

Problem_ID: A
Result: Accepted
Time: 8ms
Memory: 1120kB
Author: 2018212212096
In contest: 1277

#include<stdio.h>

int max(int x, int y) {
	if(x <= y) return y;
	if(y < x) return x;
}
int main() {
	int a,b,c,d,e;
	while(scanf("%d%d%d%d%d",&a,&b,&c,&d,&e) != EOF) {
		int V1,V2,V3,V4;
		if(d<e) {
			V1= (a - 2*e) * (c - 2*e) *d;
			V2= (a - 2*e) * (b - 2*e) *d;
			V3= (b - 2*e) * (c - 2*e) *d;
			V4= a * b * c - 2 * V1 - 2 * V2 - 2 * V3;
		}
		else{
			V1=(a-2*d)*(b-2*d)*(c-2*d);
			V2 = 4*(a-2*e)*e*e+4*(b-2*e)*e*e+4*(c-2*e)*e*e+8*e*e*e;
			V4=max(V1,V2);
		}
		
		printf("%d\n",V4);
	}

	return 0;
}