#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *, long long);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int t;
  int n;
  long long sum;
  scanf("%d", &t);
  while (t--) {
    scanf("%d", &n);
    n = n / 5;
    sum = 5 * (n * (n + 1)) / 2;
    printf("%d\n", sum);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,%ecx
add    $0xffffffff,%ecx
mov    %ecx,-0x8(%rbp)
cmp    $0x0,%eax
je     11a3 <main+0x83>
lea    0xea6(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0xc(%rbp),%eax
mov    $0x5,%ecx
cltd
idiv   %ecx
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%eax
mov    -0xc(%rbp),%ecx
add    $0x1,%ecx
imul   %ecx,%eax
imul   $0x5,%eax,%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
cltq
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rsi
lea    0xe6a(%rip),%rdi
call   1030 <printf@plt>
jmp    113f <main+0x1f>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xed0(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
subl   $0x1,0xc(%rsp)
jb     11af <main+0x8f>
lea    0xeb8(%rip),%r14
lea    0x8(%rsp),%r15
lea    0xeaf(%rip),%rbx
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
mov    %r14,%rdi
mov    %r15,%rsi
call   1040 <scanf@plt>
movslq 0x8(%rsp),%rax
imul   $0x66666667,%rax,%rax
mov    %rax,%rcx
shr    $0x3f,%rcx
sar    $0x21,%rax
lea    (%rax,%rcx,1),%edx
mov    %edx,0x8(%rsp)
add    %ecx,%eax
add    $0x1,%eax
imul   %edx,%eax
lea    (%rax,%rax,4),%eax
mov    %eax,%ecx
shr    $0x1f,%ecx
add    %eax,%ecx
sar    %ecx
movslq %ecx,%rsi
mov    %rbx,%rdi
call   1030 <printf@plt>
subl   $0x1,0xc(%rsp)
jae    1160 <main+0x40>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i64
store i32 0, i32* %1
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
br label %6
6: ; preds = %10, %0
%7 = load i32, i32* %2
%8 = add nsw i32 %7, -1
store i32 %8, i32* %2
%9 = icmp ne i32 %7, 0
br i1 %9, label %10, label %23
10: ; preds = %6
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %3)
%12 = load i32, i32* %3
%13 = sdiv i32 %12, 5
store i32 %13, i32* %3
%14 = load i32, i32* %3
%15 = load i32, i32* %3
%16 = add nsw i32 %15, 1
%17 = mul nsw i32 %14, %16
%18 = mul nsw i32 5, %17
%19 = sdiv i32 %18, 2
%20 = sext i32 %19 to i64
store i64 %20, i64* %4
%21 = load i64, i64* %4
%22 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i64 %21)
br label %6
23: ; preds = %6
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%6 = load i32, i32* %1
%7 = add nsw i32 %6, -1
store i32 %7, i32* %1
%8 = icmp eq i32 %6, 0
br i1 %8, label %22, label %9
9: ; preds = %0, %9
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%11 = load i32, i32* %2
%12 = sdiv i32 %11, 5
store i32 %12, i32* %2
%13 = add nsw i32 %12, 1
%14 = mul nsw i32 %12, 5
%15 = mul i32 %14, %13
%16 = sdiv i32 %15, 2
%17 = sext i32 %16 to i64
%18 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i64 %17)
%19 = load i32, i32* %1
%20 = add nsw i32 %19, -1
store i32 %20, i32* %1
%21 = icmp eq i32 %19, 0
br i1 %21, label %22, label %9
22: ; preds = %9, %0
ret i32 0
}